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How can I divide two integers to get a double?
... double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information see:
Dot Net Perls
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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
How to set target hosts in Fabric file
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I do this by declaring an actual function for each environment. For example:
def test():
env.user = 'testuser'
env.hosts = ['test.server.com']
def prod():
env.user = 'produser'
env.hosts = ['prod.server.com']
def deploy():
...
Using the above ...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
...e reviewed some examples but I am still having trouble implementing the AddOrUpdate function. This is the original code:
4 ...
composer: How to find the exact version of a package?
Suppose I'm writing a library A, that depends on another library, monolog for instance.
5 Answers
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How to escape a single quote inside awk
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This maybe what you're looking for:
awk 'BEGIN {FS=" ";} {printf "'\''%s'\'' ", $1}'
That is, with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again.
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Set a DateTime database field to “Now”
... answer your question:
In a large table, since the function is evaluated for each row, you will end up getting different values for the updated field.
So, if your requirement is to set it all to the same date I would do something like this (untested):
DECLARE @currDate DATETIME;
SET @currDate = G...
Is it alright to use target=“_blank” in HTML5?
...e target="_blank" is still alright. It is listed as a browsing context keyword in the latest HTML5 draft.
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Is recursion ever faster than looping?
...ilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function calls.
In functional programming language implementations, sometimes, iteration can be very expensive and recursion can b...
Automatically plot different colored lines
...sity estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this, and with more color...