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Does Haskell require a garbage collector?
...ile effectively with lazy evaluation (see Edward Kmett's and Simon Peyton Jones' comments). For instance, consider
f :: Integer -> Integer
f n = product [1..n]
One might be tempted to allocate the list [1..n] on the stack and deallocate it after f returns, but this would be catastrophic: it wo...
Common xlabel/ylabel for matplotlib subplots
...a method that doesn't use plt.text. You create your subplots, but then add one bit plot, make it invisible, and label its x and y.
– James Owers
May 12 '17 at 9:31
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Append values to a set in Python
...produce the values in a loop for some other reason,
for ...whatever...:
onemorevalue = ...whatever...
keep.add(onemorevalue)
But, of course, doing it in bulk with a single .update call is faster and handier, when otherwise feasible.
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How do I load a file from resource folder?
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to convert to string in one line: new String(this.getClass().getResourceAsStream("/my_file_in_resources.bzip").readAllBytes())
– prayagupd
Jun 30 at 0:46
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When to use IMG vs. CSS background-image?
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I'm surprised no one's mentioned this yet: CSS transitions.
You can natively transition a div's background image:
#some_div {
background-image:url(image_1.jpg);
-webkit-transition:background-image 0.5s;
/* Other vendor-prefixed ...
Check if a string matches a regex in Bash script
One of the arguments that my script receives is a date in the following format: yyyymmdd .
5 Answers
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How do I make a composite key with SQL Server Management Studio?
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So if one is a string and the other is an int, it's not possible? Doesn't seem to be...
– B. Clay Shannon
Nov 19 '13 at 23:06
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HttpServletRequest to complete URL
...nly inside the method, so it can't be accessed from threads other than the one that called the method.
– Diogo Kollross
Jun 12 '14 at 15:32
1
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run main class of Maven project [duplicate]
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Am I the only one who wishes maven had a built in convention where you could type in "mvn run" and your main program's main class would automatically run without you telling maven details it should already know (like what your main class i...
NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
...post a vote for xUnit.NET. While most of the other testing frameworks mentioned are all pretty much the same, xUnit.NET has taken a pretty unique, modern, and flexible approach to unit testing. It changes terminology, so you no longer define TestFixtures and Tests...you specify Facts and Theories ab...