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Why are #ifndef and #define used in C++ header files?
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@Јοеу: #pragma once is not portable; the common #ifndef idiom is recommended.
– Keith Thompson
Aug 24 '13 at 19:45
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Hashing a dictionary?
...tems and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments below, why this approach might not produce a stable result.
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
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HTTPS connections over proxy servers
Is it possible to have HTTPS connections over proxy servers? If yes, what kind of proxy server allows this?
9 Answers
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Interfaces with static fields in java for sharing 'constants'
...tants!). For an exposition on traits as units of composable behavior, see http://scg.unibe.ch/archive/papers/Scha03aTraits.pdf. For a short description of how traits in Scala compare with interfaces in Java, see http://www.codecommit.com/blog/scala/scala-for-java-refugees-part-5. In the context o...
How to run a Runnable thread in Android at defined intervals?
... as just a helper object used to send that command.
More details are here http://developer.android.com/reference/android/os/Handler.html
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...e between bool and BOOL, check out this webpage for an explanation of why:
http://iosdevelopertips.com/objective-c/of-bool-and-yes.html
Because BOOL is an unsigned char rather than a primitive type, variables of type BOOL can contain values other than YES and NO.
Consider this code:
BOOL b = 42;
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@try - catch block in Objective-C
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
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Another option is using Google Guava's com.google.common.base.CaseFormat
George Hawkins left a comment with this example of usage:
CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, "THIS_IS_AN_EXAMPLE_STRING");
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