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How do I hotkey directly to File Search tab in Eclipse
...Ctrl+H, file search will be the only one showing, thus it will be selected by default
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How can I ignore everything under a folder in Mercurial
...he folder "foo" somewhere in the path
^foo matches file or folder starting by foo at the root of the repository
foo$ matches file ending with foo
I hope this will help, I found the HGIGNORE(5) page a bit succinct.
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Checking if output of a command contains a certain string in a shell script
...d keeps running even after emitting string, in which case using grep -q -- by closing its stdin and exiting after the first instance of string is seen -- can be counterproductive]. (Re: "non-POSIX-compliant", &> is an extension -- see pubs.opengroup.org/onlinepubs/009695399/utilities/… desc...
Get the value of an instance variable given its name
...instance_variable_get("@#{name}")
There is no need to use + or intern; Ruby will handle this just fine. However, if you find yourself reaching into another object and pulling out its ivar, there's a reasonably good chance that you have broken encapsulation.
If you explicitly want to access an iva...
python list in sql query as parameter
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Why do you want to join "by hand" rather than leave this work to the dbapi? the key is to use a tuple rather than a list...
– Alessandro Dentella
Jan 11 '17 at 9:24
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What regex will match every character except comma ',' or semi-colon ';'?
...re using. Most of them have a Split method that takes delimiters and split by them. You might want to use that one with a "normal" (without ^) character class:
[,;]+
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How do you disable browser Autocomplete on web form field / input tag?
...autocomplete=off, you could also have your form fields names be randomized by the code that generates the page, perhaps by adding some session-specific string to the end of the names.
When the form is submitted, you can strip that part off before processing them on the server side. This would pre...
Java Security: Illegal key size or default parameters?
...ypto.policy) is set in the java.security file, or has been set dynamically by using the Security.setProperty() call before the JCE framework has been initialized, that setting will be honored. By default, the property will be undefined.
– Marcin Kłopotek
Oct 2...
How can I dynamically create a selector at runtime with Objective-C?
...ing around"...
You need to create a function pointer that will be called by your "new" method.. so for a method like [self theMethod:(id)methodArg];, you'd write...
void (^impBlock)(id,id) = ^(id _self, id methodArg) {
[_self doSomethingWith:methodArg];
};
and then you need to generate...
How to programmatically close a JFrame
...oseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); won't actually close it by triggering this event despite the user normally being able to close the window on X even if DO_NOTHING_ON_CLOSE is set, but firing this event won't. See the difference?
– mmm
Jul 26 '...