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Simulate delayed and dropped packets on Linux
... distribution
Typically, the delay in a network is not uniform. It is more common to use a something like a normal distribution to describe the variation in delay. The netem discipline can take a table to specify a non-uniform distribution.
# tc qdisc change dev eth0 root netem delay 100ms 20m...
Compiling C++ on remote Linux machine - “clock skew detected” warning
...rming an incremental build by checking if a source files has been modified more recently than its object file, this situation can cause unnecessary files to be built, or worse, necessary files to not be built.
However, if you are building from scratch (not doing an incremental build) you can likely...
Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
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I have modified the accepted answer's code to be more generic - it handles the cases where the view does clip subviews to its bounds, may be hidden, and more importantly : if the subviews are complex view hierarchies, the correct subview will be returned.
- (UIView *)hitTe...
Is Unit Testing worth the effort? [closed]
...oes not mean writing twice as much code, or coding slower. It's faster and more robust than coding without tests once you've got the hang of it. Test code itself is usually relatively trivial and doesn't add a big overhead to what you're doing. This is one you'll only believe when you're doing it :)...
Why use prefixes on member variables in C++ classes
...r (because the usage changes from var. to var-> and you have to be much more careful with pointers - NULLs, pointer arithmetic, etc), but all the others are very handy.
For example, you can use the same variable name in multiple ways in a single function: (here a C++ example, but it applies equa...
Sorting an array of objects in Ruby by object attribute?
...y {|obj| obj.attribute}
Especially if attribute may be calculated.
Or a more concise approach:
objects.sort_by(&:attribute)
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How do I add more members to my ENUM-type column in MySQL?
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There's more than one column in my carmake table. Could that have anything to do with it?
– Zaid
Oct 1 '09 at 5:14
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Removing multiple keys from a dictionary safely
... in entries:
if key in the_dict:
del the_dict[key]
A more compact version was provided by mattbornski using dict.pop()
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Difference between a theta join, equijoin and natural join
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jQuery .hasClass() vs .is()
...ou can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not.
Hence, hasClass should be faster if performance at any level is your priority.
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