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What is std::string::c_str() lifetime?
...t marked with the const keyword. Such a function might mutate the string's contents, in which case the string might need to reallocate the memory for the null-terminated version of the string returned by c_str(). For m>ex m>ample, size() and length() are const, so you can call them without worrying abou...
Get current controller in view
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...otempty/
@NotNull: Checks whether the value is not null, disregarding the content
@NotEmpty: Checks whether the value is not null nor empty. If it has just empty spaces, it will allow it as not empty.
@NotBlank: Checks whether the value is not null nor empty, trimming the value first. It means th...
XmlWriter to Write to a String Instead of to a File
...to call xw.Flush before you call sw.ToString() or else you may not get all content! (Obviously better to use the using brackets...)
– Ravendarksky
Jul 16 '14 at 10:34
...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...from dependency hell. And of course, stack is missing completely.
Missing content
Some topics are not discussed in RWH at all. This includes streaming libraries such as pipes and conduit, and also lenses.
There are several resources out there for those topics, but here are some links to introduct...
Converting dict to OrderedDict
...RUSTERS', 18)]) just shows you, in a reproducable representation, what the contents are of the OrderedDict.
(*): In the CPython 3.6 implementation, the dict type was updated to use a more memory efficient internal structure that has the happy side effect of preserving insertion order, and by m>ex m>te...
How to see the CREATE VIEW code for a view in PostgreSQL?
...dit view definition with m>ex m>ternal editor
\p show the contents of the query buffer
\r reset (clear) the query buffer
\s [FILE] display history or save it to file
\w FILE write query buffer to file
...
How to percent-encode URL parameters in Python?
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Unable to hide welcome screen in Emacs
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Calling a Method From a String With the Method's Name in Ruby
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