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Why does javascript map function return undefined?
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Performance of FOR vs FOREACH in PHP
... of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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val-mutable versus var-immutable in Scala
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Pretty common question, this one. The hard thing is finding the duplicates.
You should strive for referential transparency. What that means is that, if I have an expression "e", I could make a val x = e, and replace e with x. This ...
In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
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Try this on the PowerShell command line:
. .\MyFunctions.ps1
A1
The dot operator is used for script include.
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Getting pids from ps -ef |grep keyword
...s you include the -f options. That makes pgrep match keywords in the whole command (including arguments) instead of just the process name.
pgrep -f keyword
From the man page:
-f The pattern is normally only matched against the process name. When -f is set, the full command line is u...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators?
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JUnit tests pass in Eclipse but fail in Maven Surefire
... edited May 23 '17 at 12:34
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answered Mar 22 '12 at 15:22
simonsimon
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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
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From the community documentation:
hibernate.hbm2ddl.auto Automatically validates or exports schema DDL to the database when the SessionFactory is created. With create-drop, the database schema will be dropped when the SessionFacto...
Open a file from Cygwin
Is there an equivalent to OSX open command in cygwin. open opens a file with the default application for that type.
7 A...
How to change the DataTable Column Name?
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