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How to use npm with node.exe?
...npm.cmd files from c:\nodejs\node_modules\npm\bin to c:\nodejs folder
In order to test npm, open cmd.exe change working directory to c:\nodejs and type npm --version. You will see the version of npm if it is setup correctly.
Once setup is done, it can be used to install/uninstall packages locally...
How do I remove duplicate items from an array in Perl?
...een; grep !$seen{$_}++, @_ } is a better implementation since it preserves order at no cost. Or even better, use the one from List::MoreUtils.
– ikegami
Nov 6 '12 at 18:51
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...
We can also rely on custom properties (aka CSS variables) in order to manipulate pseudo-element. We can read in the specification that:
Custom properties are ordinary properties, so they can be declared on
any element, are resolved with the normal inheritance and cascade
rules,...
looping through an NSMutableDictionary
...] to get an NSArray of your values. Be aware that it doesn't guarantee any order between calls.
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Generate a heatmap in MatPlotLib using a scatter data set
...y (e.g., square bins don't,
e.g., the distance from a point on a square's border to a point
inside that square is not everywhere equal) and
hexagon is the highest n-polygon that gives regular plane
tessellation (i.e., you can safely re-model your kitchen floor with hexagonal-shaped tiles because you...
Can a foreign key be NULL and/or duplicate?
...from a FK without adding a further constraint on the field. So you have an order table and the order details table for instance. If the customer orders ten items at one time, he has one order and ten order detail records that contain the same orderID as the FK.
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
...alled, your app will hang. In this case (a) some serious refactoring is in order, and (b) as a temporary hack you can wait like this:
bool wait = true;
ThreadPool.QueueUserWorkItem ((state) =>
{
//do asynch stuff
wait = false;
});
while (wait) Thread.Sleep(100);
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Python executable not finding libpython shared library
... started). This setting will affect your user only.
Add /usr/local/lib to /etc/ld.so.conf and run ldconfig. This is a system-wide setting of course.
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How to make a query with group_concat in sql server [duplicate]
...AX)'), 1, 1, '')
FROM dbo.tblmask m
JOIN dbo.school s ON s.ID = m.schoolid
ORDER BY m.maskname
Additional information:
String Aggregation in the World of SQL Server
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How to print the contents of RDD?
...ion is to write in multiple files in HDFS, then use hdfs dfs --getmerge in order to merge the files
– Oussama
Jul 21 '15 at 16:10
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