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Test if characters are in a string

...follow | edited Apr 14 at 17:04 TMS 49.8k4444 gold badges193193 silver badges333333 bronze badges ...
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How do you fix a bad merge, and replay your good commits onto a fixed merge?

I accidentally committed an unwanted file ( filename.orig while resolving a merge) to my repository several commits ago, without me noticing it until now. I want to completely delete the file from the repository history. ...
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Linux: copy and create destination dir if it does not exist

...nd (or probably an option to cp) that creates the destination directory if it does not exist. 21 Answers ...
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?

In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...
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Is it secure to store passwords as environment variables (rather than as plain text) in config files

I work on a few apps in rails, django (and a little bit of php), and one of the things that I started doing in some of them is storing database and other passwords as environment variables rather than plain text in certain config files (or in settings.py, for django apps). ...
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Repairing Postgresql after upgrading to OSX 10.7 Lion

...n completely borked when trying to connect to the psql server. When I do it from the command line using 15 Answers ...
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How can I set focus on an element in an HTML form using JavaScript?

I have a web form with a text box in it. How do I go about setting focus to the text box by default? 9 Answers ...
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window.onload vs

...d the onload event of the body tag? when do I use which and how should it be done correctly? 13 Answers ...
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SQL JOIN - WHERE clause vs. ON clause

After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins . The answer may be related (or even the same) but the question is different. ...
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Can two applications listen to the same port?

...lications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP? I know I can have one application that starts off two threads (or forks) to have similar behavior, but can two ap...