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Query for documents where array size is greater than 1
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510
Update:
For mongodb versions 2.2+ more efficient way to do this described by @JohnnyHK in anoth...
Calling C/C++ from Python?
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answered Sep 28 '08 at 7:51
RalphRalph
4,81311 gold badge1818 silver badges1717 bronze badges
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How to concatenate text from multiple rows into a single text string in SQL server?
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If you are on SQL Server 2017 or Azure, see Mathieu Renda answer.
I had a similar issue when I was trying to join two tables with one-to-many relationships. In SQL 2005 I found that XML PATH method can handle the concatenation of the rows very easil...
Const before or const after?
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101
why is there two correct ways of specifying const data and in what situation would you prefe...
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...age of the Thread class in recent versions of C# (and I mean of course 4.0+, with the addition of Task & friends). Even before, there were debates about the fact that a plain old thread's functionality can be replaced in many cases by the ThreadPool class.
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Twitter Bootstrap 3: how to use media queries?
...){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Note: FYI, this may be useful for debugging:
<span class="visible-xs">SIZE XS</span>
<span class="visible-sm">SIZE SM</span>
<span class="visible-md">SIZE MD</span>
<span clas...
pip install mysql-python fails with EnvironmentError: mysql_config not found
...elf
the mysql suite.
Update: For recent versions of debian/ubuntu (as of 2018) it is
sudo apt install default-libmysqlclient-dev
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System.Timers.Timer vs System.Threading.Timer
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370
This article offers a fairly comprehensive explanation:
"Comparing the Timer Classes in the .NE...
How to call a stored procedure from Java and JPA
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answered Sep 1 '13 at 6:10
Pau Kiat WeePau Kiat Wee
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How to implement a queue using two stacks?
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