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node.js child process - difference between spawn & fork
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bjb568
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answered Jul 25 '13 at 15:10
ChrisCMChrisCM
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PostgreSQL return result set as JSON array?
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jpmc26jpmc26
21.3k99 gold badges7070 silver badges124124 bronze badges
3
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Simulate delayed and dropped packets on Linux
...lay to all packets going out of the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system ...
Random Number Between 2 Double Numbers
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Yes.
Random.NextDouble returns a double between 0 and 1. You then multiply that by the range you need to go into (difference between maximum and minimum) and then add that to the base (minimum).
public double GetRandomNumber(double minimum, double maximum)
{
Random ...
Why can I access private variables in the copy constructor?
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answered Jul 18 '13 at 10:40
Tony DelroyTony Delroy
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...he Linux kernel,
is beginning to need 12 characters out of the possible 40 to stay
unique.
7 digits is the Git default for a short SHA, so that's fine for most projects. The Kernel team have increased theirs several times, as mentioned, because the have several hundred thousand commits. So for...
How to use protractor to check if an element is visible?
...lectors + pseudo-selectors
More info at https://stackoverflow.com/a/13388700/511069
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How to create materialized views in SQL Server?
...kground:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of constraints and limitatio...
Difference between Mock / Stub / Spy in Spock test framework
...ck is a dummy class replacing a real one, returning something like null or 0 for each method call. You use a mock if you need a dummy instance of a complex class which would otherwise use external resources like network connections, files or databases or maybe use dozens of other objects. The advant...