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How can I count the number of matches for a regex?
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Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
Btw, matcher.groupCount() is something completely different.
Complete example:
import java.util.regex.*;
class Test {
public...
Can I run HTML files directly from GitHub, instead of just viewing their source?
...roject Ratio.js and here's what I did.
Problem:
Github.com prevents files from rendering/executing when the source is viewed by setting the content type/MIME to plain text.
Solution:
Have a web page import the files.
Example:
Use jsfiddle.net or jsbin.com to create a webpage online then save it...
How to update PATH variable permanently from Windows command line?
If I execute set PATH=%PATH%;C:\\Something\\bin from the command line ( cmd.exe ) and then execute echo %PATH% I see this string added to the PATH. If I close and open the command line, that new string is not in PATH.
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Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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How to prevent a dialog from closing when a button is clicked
...t you have to call it show(); has been issued, otherwise zou just get null from it
– Hurda
Apr 4 '12 at 13:28
13
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What is __main__.py?
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You'll have to decide for yourself whether your application could benefit from being executed like this.
Note that a __main__ module usually doesn't come from a __main__.py file. It can, but it usually doesn't. When you run a script like python my_program.py, the script will run as the __main__ ...
How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
...nd it works great. Was as easy as just changing an existing popover's rel from "popover" to "clickover".
– Dmase05
Dec 12 '12 at 18:20
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Android: Want to set custom fonts for whole application not runtime
...t in every control of the application? And not necessarily runtime ? (i.e. from xml if possible or only once for whole application in JAVA file)
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What's the difference between tag and release?
... GitHub higher level concept.
As stated in the official announcement post from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts."
A Release is created from an existing tag and exposes release notes and lin...
Preserve HTML font-size when iPhone orientation changes from portrait to landscape
...ated the answer. I think these 2 first meta tags were a deprecated garbage from early iOS versions
– Dan
Aug 5 '13 at 8:14
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