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How to initialize a private static const map in C++?
...lass::myMap = {
{1, 2},
{3, 4},
{5, 6}
};
See also this section from Professional C++, on unordered_maps.
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Is there a way to check if int is legal enum in C#?
...peof(MyEnum), value))
MyEnum a = (MyEnum)value;
This is the example from that page:
using System;
[Flags] public enum PetType
{
None = 0, Dog = 1, Cat = 2, Rodent = 4, Bird = 8, Reptile = 16, Other = 32
};
public class Example
{
public static void Main()
{
object value; ...
An “and” operator for an “if” statement in Bash
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If STATUS is empty, the code from @HTF would have failed on -ne: unary operator expected. In your case, it will fail on integer expression expected, won't it ?
– Julien Vivenot
Nov 16 '12 at 0:28
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Is there a recommended way to return an image using ASP.NET Web API
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If you are returning a file from the hard drive, I think it would be better performance to use a FileStream, like this (see accepted answer in this question): stackoverflow.com/questions/11125535/…
– John Gilmer
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How to source virtualenv activate in a Bash script
...
You deactivate from the subshell with exit or Ctrl+d
– Alexx Roche
Apr 10 at 12:46
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Difference between HBase and Hadoop/HDFS
... as column families).
Provides low latency access to small amounts of data from within a large data set.
Provides flexible data model.
Hadoop is most suited for offline batch-processing kinda stuff while HBase is used when you have real-time needs.
An analogous comparison would be between MySQL a...
What is the difference between user variables and system variables?
.... You might need to reboot the computer. (Hopefully, these backups weren't from too long ago, and they contain the info you need.)
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Vertically align text to top within a UILabel
...iately undo the effects of your sizeToFit call. However, calling sizeToFit from within viewDidLayoutSubviews will work.
My Original Answer (for posterity/reference):
This uses the NSString method sizeWithFont:constrainedToSize:lineBreakMode: to calculate the frame height needed to fit a string, ...
How can I reload .emacs after changing it?
...mple you could choose not to redefine a function if it is already defined (from the first startup). You might not see a change in its definition when evaluating your init file.
– Kaligule
Jun 23 '17 at 11:55
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C# nullable string error
...eclare typeOfContract as string and simply check for null after getting it from the query string. Or use String.IsNullOrEmpty if you want to handle empty string values the same as null.
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