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Why does Dijkstra's algorithm use decrease-key?
Dijkstra's algorithm was taught to me was as follows
3 Answers
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Converting pfx to pem using openssl
How to generate a .pem CA certificate and client certificate from a PFX file using OpenSSL.
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How to keep the local file or the remote file during merge using Git and the command line?
I know how to merge modification using vimdiff, but, assuming I just know that the entire file is good to keep or to throw away, how do I do that?
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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
44 Answers
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Create module variables in Ruby
Is there any way to create a variable in a module in Ruby that would behave similar to a class variable? What I mean by this is that it would be able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
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Watermark / hint text / placeholder TextBox
How can I put some text into a TextBox which is removed automatically when user types something in it?
33 Answers
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
I want to add indexes to some of the columns in a table on creation. Is there are way to add them to the CREATE TABLE definition or do I have to add them afterward with another query?
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What is the difference between hg forget and hg remove?
I want mercurial to remove several files from the current state of the repository. However, I want the files to exist in prior history.
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Using CookieContainer with WebClient class
I've previously used a CookieContainer with HttpWebRequest and HttpWebResponse sessions, but now, I want to use it with a WebClient. As far as I understand, there is no built-in method like there is for HttpWebRequests ( request.CookieContainer ). How can I collect cookies from a WebClient in a Coo...
WCF Service , how to increase the timeout?
Might seem like a silly question, but everything in WCF seems a lot more complicated than in asmx, how can I increase the timeout of an svc service?
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