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How to check if a string “StartsWith” another string?

How would I write the equivalent of C#'s String.StartsWith in JavaScript? 19 Answers ...
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How can I split a shell command over multiple lines when using an IF statement?

How can I split a command over multiple lines in the shell, when the command is part of an if statement? 2 Answers ...
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How do I create an empty array/matrix in NumPy?

I can't figure out how to use an array or matrix in the way that I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time. ...
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How expensive is RTTI?

I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed. ...
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What exactly do “u” and “r” string flags do, and what are raw string literals?

While asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks. ...
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Why is Github asking for username/password when following the instructions on screen and pushing a n

I'm the owner of an organization on github and just created a repo and tried pushing but I'm running into an issue where it's asking me for my username even though I can SSH just fine: ...
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How to determine the encoding of text?

I received some text that is encoded, but I don't know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#. ...
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Are there any disadvantages to always using nvarchar(MAX)?

In SQL Server 2005, are there any disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level) ...
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How to delete a specific line in a file?

Let's say I have a text file full of nicknames. How can I delete a specific nickname from this file, using Python? 17 Answe...
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How to find Unused Amazon EC2 Security groups

I'm try to find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups. ...