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How to loop backwards in python? [duplicate]
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302
range() and xrange() take a third parameter that specifies a step. So you can do the following....
Is there a SASS.js? Something like LESS.js?
... your templates must be changed accordingly.
So while it's a little more setup to get started, we (the sass core team) think that server side compilation is the best long term approach. Similarly, the less developers prefer server side compilation for production stylesheets.
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What are the best Haskell libraries to operationalize a program? [closed]
...4,952 bytes allocated in the heap
1 MB total memory in use
%GC time 0.0% (6.1% elapsed)
Productivity 100.0% of total user, 0.0% of total elapsed
You can get this in machine-readable format too:
$ ./A +RTS -t --machine-readable
[("bytes allocated", "64952")
,("num_GCs", "1")
,("averag...
Validating URL in Java
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UrlValidator has its own set of known issues. Is there an alternate library that is being maintained more actively?
– Alex Averbuch
Aug 13 '13 at 13:52
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Why is System.Web.Mvc not listed in Add References?
Using C#, Visual Studio 2010.
14 Answers
14
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Objective-C parse hex string to integer
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Joshua Weinberg's answer is mostly correct, however the 0x prefix is optional when scanning hexadecimal integers. If you have a string in the format #01FFFFAB, you can still use NSScanner, but you can skip the first character.
unsigned result = 0;
NSScanner *scanner = [NSScanner...
How do I initialize an empty array in C#?
...te an empty array you can do this:
string[] emptyStringArray = new string[0];
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How to uninstall a Windows Service when there is no executable for it left on the system?
...owerShell: sc is not for communicating with service control manager. It is Set-Content command. Use sc.exe instead.
– Yasser Sinjab
Apr 11 '16 at 8:47
1
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How to tell Jackson to ignore a field during serialization if its value is null?
...ObjectMapper directly, or make use of the @JsonInclude annotation:
mapper.setSerializationInclusion(Include.NON_NULL);
or:
@JsonInclude(Include.NON_NULL)
class Foo
{
String bar;
}
Alternatively, you could use @JsonInclude in a getter so that the attribute would be shown if the value is not n...
how to use python to execute a curl command
..."request.json")
headers = {'content-type': 'application/json', 'Accept-Charset': 'UTF-8'}
r = requests.post(url, data=payload, headers=headers)
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