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Guards vs. if-then-else vs. cases in Haskell
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From a technical standpoint, all three versions are equivalent.
That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably doing some...
Microsecond timing in JavaScript
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As alluded to in Mark Rejhon's answer, there is an API available in modern browsers that exposes sub-millisecond resolution timing data to script: the W3C High Resolution Timer, aka window.performance.now().
now() is better tha...
Why are C# 3.0 object initializer constructor parentheses optional?
It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example:
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How do you get current active/default Environment profile programmatically in Spring?
...ieve similar functionality using the annotation @Profile("local") Profiles allow for selective configuration based on a passed-in or environment parameter. Here is more information on this technique: Spring Profiles
share
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How to add multi line comments in makefiles
...efile for debugging reasons, and adding a backslash on every line is not really practical. If you are using GNU make, I suggest you use the ifeq directive with a deliberately false expression. For example:
ifeq ("x","y")
# here's all your 'commented' makefile content...
endif
Hope that helps.
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GCC dump preprocessor defines
...nstead of the normal output, generate
a list of `#define' directives for all
the macros defined during the
execution of the preprocessor,
including predefined macros. This
gives you a way of finding out what is
predefined in your version of the
preprocessor. Assuming you have no
file...
How do you push just a single Git branch (and no other branches)?
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By default git push updates all the remote branches. But you can configure git to update only the current branch to it's upstream.
git config push.default upstream
It means git will update only the current (checked out) branch when you do git push.
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How to find the files that are created in the last hour in unix
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This is great and all, but these flags don't exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
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Viewing a Deleted File in Git
... my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this?
3 Answers
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CSS - Overflow: Scroll; - Always show vertical scroll bar?
... 4em and scroll to show the rest */
}
#child {
height: 12em;
/* taller than the parent to force scrolling */
}
/* === ignore stuff below, it's just to help with the visual. === */
#container {
background-color: #ffc;
}
#child {
margin: 30px;
background-color: #eee;
...