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What is the logic behind the “using” keyword in C++?
...aration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq following the identifier appertains
to that typedef-name. It has the same semantics as if it were
introduced by the typedef specifier. In particular, it does not define
a new type and ...
Which is the preferred way to concatenate a string in Python?
...ring to a string variable is to use + or +=. This is because it's readable and fast. They are also just as fast, which one you choose is a matter of taste, the latter one is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
Howeve...
Parallel.ForEach vs Task.Factory.StartNew
...roduce far more overhead than necessary, especially for large collections, and cause the overall runtimes to be slower.
FYI - The Partitioner used can be controlled by using the appropriate overloads to Parallel.ForEach, if so desired. For details, see Custom Partitioners on MSDN.
The main differ...
How to put spacing between TBODY elements
...
@nh2: double-colons are for pseudo-content and single-colon is for pseudo-selectors. It's an update to the CSS syntax. Everything used to just use the single colon. Older browsers don't support double colon (like, IE <=8).
– dbmikus
...
How to determine one year from now in Javascript
I'm trying to get one year from now's date, and it's not working.
7 Answers
7
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Adding a Method to an Existing Object Instance
...
In Python, there is a difference between functions and bound methods.
>>> def foo():
... print "foo"
...
>>> class A:
... def bar( self ):
... print "bar"
...
>>> a = A()
>>> foo
<function foo at 0x00A98D70>
>>&g...
How to update a single library with Composer?
...
To install doctrine/doctrine-fixtures-bundle with version 2.1.* and minimum stability @dev use this:
composer.phar require doctrine/doctrine-fixtures-bundle:2.1.*@dev
then to update only this single package:
composer.phar update doctrine/doctrine-fixtures-bundle
...
Make Https call using HttpClient
...
@DerekS Am glad and you're welcome. If for some reason, you cannot modify the code in the production setting but able to do some admin on the server, I use this utility to configure TLS 1.2 as default. nartac.com/Products/IISCrypto
...
Why and How to avoid Event Handler memory leaks?
I just came to realize, by reading some questions and answers on StackOverflow, that adding event handlers using += in C# (or i guess, other .net languages) can cause common memory leaks...
...
Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
...
Actually, my problem was about equals and hashcode of my entities. A legacy code can bring a lot of problems, never forget to check it out. All I've done was just keep delete-orphan strategy and correct equals and hashcode.
– axcdnt
...