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Vagrant stuck connection timeout retrying
...t this in your vagrant config Vagrantfile:
config.vm.provider :virtualbox do |vb|
vb.gui = true
end
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Most efficient way to store thousand telephone numbers
..., so if we use binary search we can finish in O(log 1000) operations.
Pseudocode for printing all 1000 numbers follows, where I access the K'th k-bit entry of the first block of memory as a[K] and the M'th m-bit entry of the second block of memory as b[M] (both of these would require a few bit oper...
What is the purpose of class methods?
... I see. But, how about if I just want to categorize a method, that don't need MyClass, but still in some way make sense if I group in other MyClass? I can think of move it to helper module though..
– swdev
Oct 11 '13 at 2:44
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FFmpeg: How to split video efficiently?
..., it agrees with the manuals comments on using -ss after the input file to do a 'slow seek'. SD files have a negligible difference.
The two command version should be quicker by adding another -ss before the input file for the a 'fast seek' followed by the more accurate slow seek.
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Differences and relationship between glActiveTexture and glBindTexture
...ce of state you want to change, and shove a value into it.
In OpenGL, you don't do this.
For legacy reasons better left unexplained, to change the state of an OpenGL object, you must first bind it to the context. This is done with some from of glBind* call.
The C/C++ equivalent to this is as foll...
Sleep until a specific time/date
...think the solution is just to sleep for the correct number of seconds.
To do this in bash, do the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(( $target_epoch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (e...
Sending mail from Python using SMTP
...o use a secure smtp connection to send mail, I rely on the smtplib module (downloadable at http://www1.cs.columbia.edu/~db2501/ssmtplib.py)
As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a s...
MySQL Like multiple values
... answered Nov 13 '10 at 11:10
AndomarAndomar
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When to use f:viewAction / preRenderView versus PostConstruct?
... use the preRenderView workaround.
If the backing bean is @RequestScoped, do they effectively do the exact same thing? (and so then it is up to developer choice? (@PostConstruct seems "cleaner").
No, they do definitely not effectively do the same thing. The @PostConstruct is intented to perform ac...
C# Convert List to Dictionary
This may seem an odd thing to want to do but ignoring that, is there a nice concise way of converting a List to Dictionary where each Key Value Pair in the Dictionary is just each string in the List. i.e.
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