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Understanding NSRunLoop
...need to look at the documentation to discover about run modes, as that's a bit beyond the scope of a general answer.
is run loop inactive when i start the thread?
In most applications, the main run loop will run automatically. However, you are responsible for starting the run loop and r...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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Its a bit dirty, but you can just insert it.
Be sure that the key has a unique index on it (if you use the _id it's ok, it's already unique).
In this way if the element is already present it will return an exception that you can ...
A variable modified inside a while loop is not remembered
...ait for input from tail).
– P.P
Nov 10 '18 at 16:42
I'm limited to /bin/sh - is there an alternative way that works in...
How is a tag different from a branch in Git? Which should I use, here?
... development is done on the branch. A single git repository can track an arbitrary number of branches, but your working tree is associated with just one of them (the "current" or "checked out" branch), and HEAD points to that branch.
tag
A ref pointing to a tag or commit object. In...
Paging in a Rest Collection
...
Edit:
After thinking about it a bit more, I'm inclined to agree that Range headers aren't appropriate for pagination. The logic being, the Range header is intended for the server's response, not the applications. If you served 100 megabytes of results, bu...
Is nested function a good approach when required by only one function? [closed]
...onvey the concept -- in actual use what do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement.
– martineau
Sep 2 '14 at 13:07
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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I just wanted to provide a bit of an update/special case since it looks like people still come here. If you're using a multi-index or otherwise using an index-slicer the inplace=True option may not be enough to update the slice you've chosen. For examp...
程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...pt(bytesToBeEncrypted, passwordBytes);
string result = Convert.ToBase64String(bytesEncrypted);
return result;
}
public static string DecryptText(string input, string password)
{
// Get the bytes of the string
byte[] bytesToBeDecrypted = Convert.FromBase64String(input);...
Read each line of txt file to new array element
...e set up your text file, you'll have might have to play around with the \n bit.
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When to use RDLC over RDL reports?
...structure available to you, use it. You will find RDL development to be a bit more pleasant. You can preview the report, easily setup parameters, etc.
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