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leading zeros in rails
I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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How can I iterate over an enum?
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The typical way is as follows:
enum Foo {
One,
Two,
Three,
Last
};
for ( int fooInt = One; fooInt != Last; fooInt++ )
{
Foo foo = static_cast<Foo>(fooInt);
// ...
}
Please note, the enum Last is meant to be skipped by the i...
Should a return statement be inside or outside a lock?
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Essentially, which-ever makes the code simpler. Single point of exit is a nice ideal, but I wouldn't bend the code out of shape just to achieve it... And if the alternative is declaring a local variable (outside the lock), initializing it (inside the lock) and then returning it (outside...
How to change the remote repository for a git submodule?
...git repository with a submodule in it. I'm able to tell the submodule itself to change its remote repository path, but I'm not sure how to tell the parent repository how to change the remote repository path for the submodule.
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What does the 'b' character do in front of a string literal?
Apparently, the following is the valid syntax:
8 Answers
8
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How do I install and use curl on Windows?
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Assuming you got it from https://curl.haxx.se/download.html, just unzip it wherever you want. No need to install. If you are going to use SSL, you need to download the OpenSSL DLLs, available from curl's website.
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How can I generate a unique ID in Python? [duplicate]
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Perhaps uuid.uuid4() might do the job. See uuid for more information.
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Streaming Audio from A URL in Android using MediaPlayer?
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simple Media Player with streaming example.For xml part you need one button with id button1 and two images in your drawable folder with name button_pause and button_play and please don't forget to add the internet permission in your manifest.
public class MainActivit...
Change a Git remote HEAD to point to something besides master
How do I set a Git remote's HEAD reference to point to something besides "master"?
11 Answers
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Why XML-Serializable class need a parameterless constructor
I'm writing code to do Xml serialization. With below function.
4 Answers
4
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