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Simplest way to profile a PHP script
...unning functions. Where is the application spending most of its time? the best payoff in performance tuning is focusing on those parts of the application which consume the most time.
Note: Xdebug, and in particular its profiling features, are very resource intensive and slow down PHP execution. ...
Random row selection in Pandas dataframe
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The best way to do this is with the sample function from the random module,
import numpy as np
import pandas as pd
from random import sample
# given data frame df
# create random index
rindex = np.array(sample(xrange(len(df))...
Why does integer division in C# return an integer and not a float?
...esult is - simply speaking - a sum of powers of 2. Even though it can't be best practice to rely on that precision in those special cases.
– L. Monty
Jul 7 '18 at 12:11
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A std::map that keep track of the order of insertion?
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This is the best way to do it. Very cheap memory cost (for only 50 strings!), allows std::map to work as it's supposed to (ie by sorting itself as you insert), and has fast runtime. (I read this after writing my version, where I used s...
Why do we need to install gulp globally and locally?
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I know that it's best to use local installs, but there might be cases where you just can't install it or just don't want to (imagine that your dedicated CI server has gulp globally installed and you are reinstalling it on every commit). An...
What is Inversion of Control?
... (IoC) is the confusing thing; because inversion is the relative term. The best way to understand IoC is to forget about that word!
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Examples
Event Handling. Event Handlers (what-to-do part) -- Raising Events (when-to-do part)
Interfaces. Component client (when-to-do part) -- Component Interfa...
difference between #if defined(WIN32) and #ifdef(WIN32)
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This is the best explanation of how #if FOO and #if defined(FOO) can behave differently.
– Paul Beusterien
Sep 30 '19 at 22:47
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Weird “[]” after Java method signature
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The best bit of this is that it's some or all of. So if you have a method returning a 3-dimensional array of ints, you can do: public int[] foo()[][] { and make people's eyes bleed.
– Cowan
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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
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what Sam said is the best way for doing this.
However, if you have a scenario that you need to deploy the dacpac from a machine that doesn't have that reference in that specific location, you may get into trouble.
Another way is to open your .pro...
Process escape sequences in a string in Python
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hands down, the best solution! btw, by docs it should be "string_escape" (with underscore) but for some reason accepts anything in the pattern 'string escape', 'string@escape" and whatnot... basically 'string\W+escape'
–...