Program To Scrape All Title Tags From Large Sites
Apr 9, 2015
I am familiar with php, but I don't know Java. We need a program, that will be able to scrape large amount of title tags from large sites, fast. I've been trying Seo Spider by Screaming Frog, and Xenu's Link Sleuth, but these programs are not good enough. They hang up, they save all the data in RAM, I think, and after a relatively short period of scraping, they stop working, become unresponsive, and so on.
Somebody recommended me getting a custom made program in Java, which would be able to scrape title tags only, from large sites (I am talking 25 - 50 million pages or more). I was told that it would not have a graphic interface, or anything like that. Nothing like this is needed too, we just need to have title tags.
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May 10, 2014
I was wondering where can I find info on how to grab info from websites to use in a program?
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Jan 16, 2014
I develop a finite element code at java. I am looking for efficiency solver and fast for large, sparse , symmetric and positive define matrices .
i used in jblas but i encounter in problem when the matrix has high condition number(ill condition number) and i get error for singular matrix while in mathematica i succeed to solve that system without problems...
Any good solver and fast solver package in java can i use for solving that system?
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Apr 20, 2015
I am pretty new to java and where I should start. What I am trying to do, is to retrieve live information from poker sites as I play, typically my hand and the pot size. Is this possible? I know poker sites probably are very secure, but I can see those things (my hand, and the pot) anyway, I just want it to happen automatically. What I am trying to do, is to create a program that retrieves the information, and then calculate the odds of me winning.
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Feb 24, 2011
I have developed a java GUI project. I put wrong name for my project. after some time i found it and then correct by right clicking and click rename tab.
Now i run my gui it shows old project name in title. i didnt get my new project name.. how can i change it to new name
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Jun 20, 2012
I got one task from my manager, regarding browser back button, refresh button. He asks me the web application has to work like Banks site... means if I refresh or click on Back button(Browser's) then it has to throw the user out of session, I checked lot in internet. But I found like only disabling back button of disabling F5 keys like that. But he’s not accepting that.
How to approach for this? Can we throw the user out of session when he clicks on browser back button or refresh button. I think its possible . But i don't know how to implement.
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Mar 5, 2014
I have a TabView that generates the numbers of tabs, titles and content based off of the selected project from another field. I have managed to get it to load the proper number of tabs and content, but the first tab title displays the title of the first tab from the previous query.
The jsf is:
<h:panelGroup id="equipmentWrapper">
<p:tabView effect="blind">
<c:forEach items="#{databaseViewHandler.deviceTypes}" var="deviceType">
<p:tab title="#{deviceType.key}">
<ui:include src="#{deviceType.value}"/>
[Code] ....
And the method handling the content and number of tabs:
public DatabaseViewHandler() {
deviceTypes = new LinkedHashMap();
}
public Map<String, String> getDeviceTypes() {
return this.deviceTypes;
[Code] ....
The method findAssociatedEquipment() is called when it recieves a selected project to display.
The command button calls the update for panelGroup "equipmentWrapper". It updates fine for the ui:include and generates the correct number of tabs in the correct order.
So for example the first query might only generate one tab for an 881 device. Then if you select a project that should have a 2911 and 2960 it will correctly load both, but the title for the first tab will retain 881. Should you select a third it will have the title 2911 from the second project.
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Mar 16, 2015
I change TreeTableColumn.text but I got a Exception
Exception in thread "JavaFX Application Thread" java.lang.ClassCastException:
javafx.scene.control.TreeTableColumn cannot be cast to javafx.scene.control.TableColumn
at com.sun.javafx.scene.control.skin.TableHeaderRow$10.invalidated(TableHeaderRow.java:277)
so I check TableHeaderRow . I find this method
private final InvalidationListener columnTextListener = new InvalidationListener() {
@Override public void invalidated(Observable observable) {
TableColumn<?,?> column = (TableColumn<?,?>) ((StringProperty)observable).getBean();
CheckMenuItem menuItem = columnMenuItems.get(column);
if (menuItem != null) {
menuItem.setText(getText(column.getText(), column));
}
}
};
why don't they use this
TableColumnBase<?,?> column = (TableColumnBase<?,?>) ((StringProperty)observable).getBean();
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Oct 28, 2014
I am getting :
Error ? java.lang.NullPointerException
I've placed the .mp3 file in the same directory as my project (where I've bin and src folders).
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Oct 4, 2014
i want to check my array for a title, if the title is there i want to call a method, if the title is not there i want an error message. I am not sure how to get this. i think my code would work if it didn't always finish the method. for example if true the method stops and does run whats after the for loop. but that isn't happening.
void markItemOnLoan(String title, String name, String date){
int i=0;
for (i = 0; i < numberOfItems; i++){
if (items[i].getTitle().equals(title)){
items[i].markOnLoan(name,date);
}
}
System.out.println("ERROR: Can not find that item. ");
}
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Mar 19, 2014
My jsp page needs to have a dropdown box. on selecting one/more than one values from this list, the same values get populated in another one.. we have a delete button too , it allows to populate the second box again.
The thing is i am to avoid scripts and use custom tags as much as i can...
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Mar 12, 2015
I know jspf is a jsp fragment, but can't a tag also serve as a jsp fragment?
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Mar 26, 2015
Is there anything wrong with writing JSP tags in psuedo-HTML? I've been writing tags in XHTML, but it would seem that XHTML could not be compliant with both an XHTML standard and the HTML5 standard.
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Nov 13, 2014
I have some XML tags in jsp like.
<esi:assign name="searchfor">'''someval like < or >'''</esi:assign> . Now on the basic of request param i want these tags should render with value < or > on the basis of what is inside tags. I applied the below code but didn't work. Any Idea.
<c:if test="${testval}" >
<jsp:text><![CDATA[<xmp>]]></jsp:text>
</c:if>
<esi:assign name="searchfor">'''>'''</esi:assign>
<c:if test="${testval}" >
<jsp:text><![CDATA[</xmp>]]></jsp:text>
</c:if>
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Jan 13, 2014
I developed a simple java gui . On running a frame opens with 5 buttons and each button opens another frame when selected. There are no errors and frames open and close as required however i see that only the main program frame has the icon and title that i assigned and the frames bieng called through the buttons have the default frame with java icon and no title although it's been specified in the code of these called frames. When these called frames are executed individually though the program the title and icon are displayed.
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Dec 9, 2014
In a text file, I have individual titles (starting with ">" character), and under those titles, I have calculated values for a Counter. I want to search the entire text file for the highest counter under every title. After I get the highest counter, I would like to print it's title, name of the counter, and counter value. Example of the code I already have:
int letterCounter;
String line;
if (line.startsWith (">")) {
bw.write ("");
bw.write (line);
} else {
//code that counts how many total letters (letterCounter) under title
}
I am just trying to use basic concepts.
Sample of my text file:
>gi 91206428 ref NP_001035160.1 seven transmembrane helix receptor precursor [Homo sapiens]
letterCounter is 43
>gi 157412240 ref NP_001094800.1 C1GALT1-specific chaperone 1-like [Homo sapiens]
letterCounter is 7
>gi 117938299 ref NP_001071105.1 RAB6C-like [Homo sapiens]
letterCounter is 109
Sample of desired output:
>gi 117938299 ref NP_001071105.1 RAB6C-like [Homo sapiens]
letterCounter is 109
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Feb 9, 2015
how to use SAX Parsers. I've looked at a few tutorials and have the generals down. I have an xml file that the parser is trying to read. As you see below, at the start of each element, I add the tag to an arrayList of the tags. I create a stringBuilder to capture the text between tags, this won't work unless it occurs at the end of an element. If it occurs at the start, it never gets the chance to read the text.
This is where the problem occurs. For nested tags, like project, it reads the last nested tags' text and stores it in the text arrayList. Project may be the first indexed tag in the tags arrayList, but project's text is the fourth indexed element of the text arrayList. So when my test print the arrayLists by index, it gets thrown off. I want over tags to store a blank space in the text array, and at the same index of the tag its associated with. How would I do this?
I've tried overwriting the text arrayList, but couldn't get my logic thought out for how to determine if a tag was nested. I always ended up overwriting blank space to each element.
xml file:
<?xml version="1.0"?>
<project
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>na-ata-custom-delivery-bench-code-exercises</groupId>
<artifactId>na-ata-custom-delivery-bench-code-exercises</artifactId>
<version>0.0.1-SNAPSHOT</version>
[code]...
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Apr 22, 2014
I am trying to write the id3 tags using mp3agic library. The problem is it does not update the id3 tags for the mp3 files which already contains id3 tags but it only updates the file that have id3 tags which are empty.
When i look at the newly created files, they contains the older tags. Then i wrote a script to access id3 tags through mp3agic
id3v1Tag.getArtist()
then it was showing updated tags.
Why it is showing updated tags even if they are not really updated in folder where i visits ?
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Feb 23, 2014
I need to turn some strings from:
'1-the-high-street'
to:
'1 The High Street'
But...
if string is
'the-dog-and-duck'
I want to achieve
'The Dog and Duck'
...whereby the 'and' is NOT converted to title case
My code as follows:
String propertyPageTitle = "1-the-high-street";
propertyPageTitle = propertyPageTitle.replace("-", " ");
propertyPageTitle = WordUtils.capitalizeFully(propertyPageTitle);
System.out.println(propertyPageTitle);
prints: '1 The High Street'
How could I handle the second scenario so it does not convert 'and' to titlecase?
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Jun 8, 2014
In order to create an xhtml view:
1. All jsf tags like datatable, form, etc.. will generate UIComponents in server side, right?
2. All non JSF tags will not generate UIComponents in server side, right?
3. If you want something in a view that will be the same across users and requests, I mean, It will not change like a label tag, it doesn't make any sense to create it with a JSF tag in order to save memory in server side, right?
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Feb 22, 2014
I know that the simple deployment using only applet tags inside HTML causes severe security restriction for the applet on the client side. but can this simple HTML file contains .jar files inside the applet tags instead of .class files.
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Oct 31, 2014
I found an exercise online to create a small program . I have this code that I have done so far:
import java.util.Scanner;
public class Test {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
long a = sc.nextLong(); long b = sc.nextLong();
long count = 0; // counter
[code]....
The program should read the numbers a and b and list how many numbers between a and b are divisible by either 2, 3 or 5. If the user types the number 5 and then 8.... it would look at all the numbers in between - 5,6,7,8 and check if any of them are divasable by either 2,3 or 5. And since the numbers 5,6,8 are it would return the number 3 to the user..Now the problem is that this program only works for small numbers, but when I try to input numbers such as 123456789012345678 and 876543210987654321... it doesn't run at all.
So there needs to be a quicker way on how the program checks the numbers divisibility instead of checking each one. Here is where I am lost. How to fix the program that it will read bigger numbers such as a=123456789012345678 b=87654321098765432..There must be a quicker way ...something that can modify the code so it finishes in the matter of seconds not hours. Something that will fasten the process of checking if the numbers are dividable.
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Nov 6, 2014
I want to migrate some large application code base's from jdk1.4 to jdk1.6.
1. Is there any tool/s available that can be used for this migration (Because manually it is very difficult for a application with almost 15,000 java files and 15 * 10^6 KLOC within a limited time frame).
2. Steps that should be followed in such cases.
3, If any tool is not available for such activity what are the salient points that are needed to be considered while migrating.
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Aug 16, 2014
I have a simple display method in a java project as given below:
public void displayInfo() {
for(Student student : studentdB){
System.out.println(student.toString() + "
");
}
I would want to use one of Swing components to display the students instead of displaying them on the stdout. How I could go about calling this method in some Swing components that can display all the students in the studentdb?
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Mar 14, 2015
I need to encrypt/decrypt file contents using RSA . But the default nature of RSA I could not upload files larger than 177 bytes for key length 1024 bytes . How it can avoid , I look it for a 100 times yet...
I attach my encryption files here ...
See attached files for more details ...
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Sep 3, 2014
What I'm tasked to do, is to make a simple Java class that forms a "V" based on whatever height the user would desire, made out of stars "*", and spaces " ".
For example, if a user desires a "V" with a height of 3, it would look print out something like;
* *
* *
*
Where a "V" with a height of 5 would look something like:
* *
* *
* *
* *
*
(That one didn't look too good, but you get the point, it's suppose to be 5 "high" and shaped like a "V"). The problem I have, is that I don't see what loops within loops within loops I would need to build something like this.
All the easy stuff like asking the user what height they want and such, I can handle, but I don't see how this thing is suppose to be coded, to print out a decent-looking and right-sized "V" in the console.
public static void main(String[] args) {
int height = 3;
for (int i = 0; i < height; i++) {
for (int j = 0; j < 2/(height+1)+1; j++) {
if(j == i) {
[Code] ....
Looked like something of a good start, and it drew me half (!) of the "V" in the size I wanted. Am I on to it here, or am I on the moon in terms of progress? I need the entire "V", not just a nice "".
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