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How to loop through files matching wildcard in batch file
...le letter - cryptic error messages will appear if you try to use something readable and meaningful.
– Bruce Dawson
Jan 29 '17 at 5:39
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Check existence of directory and create if doesn't exist
...le.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(file.path(mainDir, subDir))
setwd(file.path(mainDir, subDir))
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Grant **all** privileges on database
...as to also think about the other people, possibly newbies, that could come read this question later on. Isn't it the point of SO as well?
– Romain
Feb 18 '11 at 13:46
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Iterate through object properties
...inal position of the key within the object
});
This is better (and more readable) than using a for-in loop.
Its supported on these browsers:
Firefox (Gecko): 4 (2.0)
Chrome: 5
Internet Explorer: 9
See the Mozilla Developer Network Object.keys()'s reference for futher information.
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Command line progress bar in Java
...T
Simple console progress bar. Progress bar writing now runs on another thread.
Menlo, Fira Mono, Source Code Pro or SF Mono are recommended for optimal visual effects.
For Consolas or Andale Mono fonts, use ProgressBarStyle.ASCII (see below) because the box-drawing glyphs are not aligned prope...
How do I convert a float number to a whole number in JavaScript?
...is mentioned in the answer below, but it is worth repeating here for those reading these comments.
– John
Mar 28 '16 at 15:27
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Rails: Using greater than/less than with a where statement
...the number extracted into a well named constant this may be the easiest to read and understand at a glance.
Inverted logic
We can use the fact that x > y == !(x <= y) and use the where not chain.
User.where.not(id: -Float::INFINITY..200)
which generates the SQL
SELECT `users`.* FROM `use...
Visual Studio 2013 doesn't discover unit tests
...our solution is in a protected drive that you need administrator access to read/write, sometimes only a portion of the tests come up. Definitely run VS as administrator in that case.
If your solution is 64 bit, make sure that Test > Test Settings > Default Processor Architecture is set to x64....
Undefined behavior and sequence points
...t.
Disclaimer : Okay. This answer is a bit long. So have patience while reading it. If you already know these things, reading them again won't make you crazy.
Pre-requisites : An elementary knowledge of C++ Standard
What are Sequence Points?
The Standard says
At certain specified poi...
What is the difference between client-side and server-side programming?
... JavaScript.
So when you make a HTTP request on server, the server first reads the PHP file carefully to see if there are any tasks that need to be executed, and sends a response to the client side. Again, as @deceze said, *Once PHP has finished outputting the response, the script ends and nothing...