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Number of processors/cores in command line
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If you want to do this so it works on linux and OS X, you can do:
CORES=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || sysctl -n hw.ncpu)
sha...
ERROR: Error installing capybara-webkit:
... Note that if you want to install version 5.5 specifically, you will now need to do brew install homebrew/versions/qt55.
– jlleblanc
Nov 17 '16 at 21:13
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Best way to define error codes/strings in Java?
...g or whatever*/ id();
}
public interface IMessage {
ICode code();
}
Now you can define any number of enums which provide me
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
... UIResponder does the following:
It calls pointInside:withEvent: of self
If the return is NO, hitTest:withEvent: returns nil. the end of the story.
If the return is YES, it sends hitTest:withEvent: messages to its subviews.
it starts from the top-level subview, and continues to other views until a...
Using PowerShell to write a file in UTF-8 without the BOM
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The proper way as of now is to use a solution recommended by @Roman Kuzmin in comments to @M. Dudley answer:
[IO.File]::WriteAllLines($filename, $content)
(I've also shortened it a bit by stripping unnecessary System namespace clarification - ...
Uploading both data and files in one form using Ajax?
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The problem I had was using the wrong jQuery identifier.
You can upload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text" nam...
Match multiline text using regular expression
...e very end (or before a newline at the end, but we'll leave that aside for now). But if the string contains newlines, you can choose for ^ and $ to match at the start and end of any logical line, not just the start and end of the whole string, by setting the MULTILINE flag.
So forget about what MU...
Java naming convention for static final variables [duplicate]
...mlFileReader extends FileReader {}
The developer is said not to need to know that the above classes are abstract or an interface.
Static Final
My personal preference and belief is that we should follow similar logic when referring to static final variables. Instead, we evaluate its usage when de...
How can you iterate over the elements of an std::tuple?
... overloads for every type the tuple might contain. This works best if you know all the tuple elements will share a common base class or something similar.
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What is move semantics?
...f the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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