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Collapse sequences of white space into a single character and trim string
... Excellent code for removing leading and trailing space at the same time.
– user523234
Feb 12 '12 at 16:27
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show 2 more comments
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Profiling Django
...lbar. It will show you what queries are executed on each page and how much time they take. It's a really useful, powerful and easy to use tool.
Also, read recommendations about Django performance in Database access optimization from the documentation.
And Django performance tips by
Jacob Kaplan-M...
How to create custom easing function with Core Animation?
...KeyframeAnimation+Parametric.h:
// this should be a function that takes a time value between
// 0.0 and 1.0 (where 0.0 is the beginning of the animation
// and 1.0 is the end) and returns a scale factor where 0.0
// would produce the starting value and 1.0 would produce the
// ending value
typ...
Good ways to manage a changelog using git?
...laining to developers what improvements your commit makes to the code. Sometimes there's overlap there, but not always.
– Ajedi32
Jan 11 '16 at 17:29
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Evaluate expression given as a string
...artinMächler That's ironic, because the core R packages use parse all the time! github.com/wch/r-source/…
– geneorama
Mar 30 '17 at 22:10
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Is passing 'this' in a method call accepted practice in java
...to think of other ways to solve the problem at hand. There are, of course, times when, at last resort, it makes sense to do it.
Also it is often necessary to corrupt your design temporarily, doing 'bad practice things', during a longer term refactoring of your code for an overall improvement. (One...
What's an easy way to read random line from a file in Unix command line?
...de against shuf. The perl code is very slightly faster (8% faster by user time, 24% faster by system time), though anecdotally I've found the perl code "seems" less random (I wrote a jukebox using it).
– Adam Katz
Dec 17 '14 at 21:59
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How to get current path with query string using Capybara
...y to change the accepted answer, I've updated the answer to reflect modern times. This should be more helpful to new users looking for a solution and seeing the first answer. Thanks @OddityOverseer for pointing it out
– nzifnab
Sep 8 '16 at 17:16
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Remove all values within one list from another list? [duplicate]
...hension(a, b):
return [x for x in a if x not in b]
5 tries, average time 12.8 sec
def filter_function(a, b):
return filter(lambda x: x not in b, a)
5 tries, average time 12.6 sec
def modification(a,b):
for x in b:
try:
a.remove(x)
except ValueError:
...
Postgresql 9.2 pg_dump version mismatch
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Every time you upgrade or re install a new version of PostgreSQL, a latest version of pg_dump is installed.
There must be a PostgreSQL/bin directory somewhere on your system, under the latest version of PostgreSQL that you...