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switch() statement usage
...oshuaUlrich ...which benchmark function are you using? Not the obvious one from the "benchmark" package it seems?
– Tommy
Oct 19 '11 at 18:52
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Javascript Regex: How to put a variable inside a regular expression?
...iable if there is potential for malicious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
...
string.repl...
How do I pause my shell script for a second before continuing?
...ython) you need to import the time module
import time
time.sleep(1)
or
from time import sleep
sleep(1)
For shell script is is just
sleep 1
Which executes the sleep command. eg. /bin/sleep
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matplotlib colorbar for scatter
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From the matplotlib docs on scatter 1:
cmap is only used if c is an array of floats
So colorlist needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like...
Token Authentication for RESTful API: should the token be periodically changed?
..., however you can extend it to achieve this functionality.
For example:
from rest_framework.authentication import TokenAuthentication, get_authorization_header
from rest_framework.exceptions import AuthenticationFailed
class ExpiringTokenAuthentication(TokenAuthentication):
def authenticate_...
Check if a string matches a regex in Bash script
...th your date
else
echo "${DATE} incorrect date" >&2
exit 1
fi
from comment: one can use formatting
if [ "2017-01-14" == $(date -d "2017-01-14" '+%Y-%m-%d') ]
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PHP function overloading
Coming from C++ background ;)
How can I overload PHP functions?
10 Answers
10
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Remove the first character of a string
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Your problem seems unclear. You say you want to remove "a character from a certain position" then go on to say you want to remove a particular character.
If you only need to remove the first character you would do:
s = ":dfa:sif:e"
fixed = s[1:]
If you want to remove a character at a part...
C++ performance vs. Java/C#
...l, is quite poor when compared with the full scope of the standard library from .NET or Java), so usually, the difference between C++ and .NET or Java JIT won't be visible to most users, and for those binaries that are critical, well, you can still call C++ processing from C# or Java (even if this k...
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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If you are talking about UIViewContentMode, the following is from the Doc.
UIViewContentModeScaleToFill
Scales the content to fit the size of itself by changing the aspect ratio of the content if necessary.
UIViewContentModeScaleAspectFit
Scales the content to fit the si...