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Is there a regular expression to detect a valid regular expression?
...itutions and translations. s/<this part>/.../
It is not theoretically possible to match all valid regex grammars with a regex.
It is possible if the regex engine supports recursion, such as PCRE, but that can't really be called regular expressions any more.
Indeed, a "recursive regu...
How/When does Execute Shell mark a build as failure in Jenkins?
...e said:
If you have a shell script that does "checkout, build, deploy" all by itself, then why are you using Jenkins? You are foregoing all the features of Jenkins that make it what it is. You might as well have a cron or an SVN post-commit hook call the script directly. Jenkins performing the S...
How to generate javadoc comments in Android Studio
...tion and press Enter, the javadoc comment block will be generated automatically.
Read this for more information.
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text-overflow:ellipsis in Firefox 4? (and FF5)
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Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $('#limited...
Escape double quotes in parameter
... batch file myscript.bat containing just @echo.%1 or even @echo.%~1, I get all quotes: '"test"'
Perhaps you can try the escape character ^ like this: myscript '^"test^"'?
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Disabling of EditText in Android
...d instead but it contains bug and it does not work. It would be nice if we all star the issue here: code.google.com/p/android/issues/detail?id=2854
– Viktor Brešan
Mar 3 '11 at 13:13
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Switching from zsh to bash on OSX, and back again?
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All depends on what you expect your terminal window to do when you exit. I find starting a subshell unnecessary and undesirable, myself.
– larsks
May 3 '12 at 15:40
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Remove leading or trailing spaces in an entire column of data
How do I remove leading or trailing spaces of all cells in an entire column?
6 Answers
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uppercase first character in a variable with bash
... Despite being more complex than the best scored answer, this one actually does exactly that: 'uppercase first character in a variable'. Best scored answer does not have that results. Looks like simple answers are upvoted more willingly than the correct ones?
– Krzysztof J...
SparseArray vs HashMap
...pe.
There are some variants for different key/value types, even though not all of them are publicly available.
Benefits are:
Allocation-free
No boxing
Drawbacks:
Generally slower, not indicated for large collections
They won't work in a non-Android project
HashMap can be replaced by the fol...