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Check number of arguments passed to a Bash script
...nd regex matching.
The following example checks if arguments are valid. It allows a single argument or two.
[[ ($# -eq 1 || ($# -eq 2 && $2 == <glob pattern>)) && $1 =~ <regex pattern> ]]
For pure arithmetic expressions, using (( )) to some may still be better, but they ...
How can I get the executing assembly version?
...orms application, you can always access via application if looking specifically for product version.
Application.ProductVersion
Using GetExecutingAssembly for an assembly reference is not always an option. As such, I personally find it useful to create a static helper class in projects where I ma...
Start two instances of IntelliJ IDE
...edition).
When I have one instance started and I try to start another one, all that happens is that my started instance gets focus.
...
Logging best practices [closed]
...s until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToString() on parameter values until after the system has confirmed message will actually be logged.
The Trace.CorrelationManager allows you to correlate log statements about the same logical operation (see below)....
How do you copy a record in a SQL table but swap out the unique id of the new row?
...
Any fields not specified should receive their default value (which is usually NULL when not defined).
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UIButton won't go to Aspect Fit in iPhone
...y're always stretching. Is there something else you have to set? I tried all the different view modes and none of them work, they all stretch.
...
Copy the entire contents of a directory in C#
...
Much easier
//Now Create all of the directories
foreach (string dirPath in Directory.GetDirectories(SourcePath, "*",
SearchOption.AllDirectories))
Directory.CreateDirectory(dirPath.Replace(SourcePath, DestinationPath));
//Copy all the files...
How to count string occurrence in string?
...rn and elegant, but Vitimtk's solution is much more efficient. what do you all think of his code?
– TruMan1
Nov 4 '11 at 2:15
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What is the best way to compare floats for almost-equality in Python?
...the magnitudes of the two arguments; as the values get larger, so does the allowed difference between them while still considering them equal.
abs_tol is an absolute tolerance that is applied as-is in all cases. If the difference is less than either of those tolerances, the values are considered eq...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...he CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that way.
This way you can write fast code using 32-bit values in 64-bit mode without having to explicitly break dependencies all the time. Without this behaviour, every single 32-bit instr...