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Where does this come from: -*- coding: utf-8 -*-
... the text editor. Until now, I never knew that the python interpreter actually parsed the comment if it is present on the first two lines of the file.
– umeboshi
Dec 26 '14 at 3:08
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DbArithmeticExpression arguments must have a numeric common type
... the operation move out the arithmetic in question from the Lambda?
After all clientDateTime and time24 are fix values so their difference does not need to be recalculated in every iteration.
Like:
TimeSpan time24 = new TimeSpan(24, 0, 0);
TimeSpan time18 = new TimeSpan(18, 0, 0);
var client...
Why were pandas merges in python faster than data.table merges in R in 2012?
...els) is large: 10,000.
Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (the algorithm), but a preliminary step.
Recent efforts have gone into allowing character columns in keys, which should resolve that issue ...
Github: error cloning my private repository
...w64-i686-ca-certificates ca-certificates
64 bits
pacman -S mingw-w64-x86_64-ca-certificates ca-certificates
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TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...le:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with the actual code in the method.
Method calls are (slightly) expensive,...
Mongo: find items that don't have a certain field
...rpret it as the field has to be equal to null and not missing. This is actually unexpected behavior, because you wouldn't be able to do the same for 0 (which is also false), so null is kind of the exception here. Therefore, best practice is the more readable answer using $exists: false which is not ...
How to implement a unique index on two columns in rails
...st can remove the indexes who were just for one column or if I have to use all three indexes:
1 Answer
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Is there a jQuery unfocus method?
...ht or make my text input un-focused. I knew .blur() existed but I didn't really understand the correct syntax for this usage. +1
– Partack
Jul 10 '13 at 21:32
7
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What is the equivalent of “none” in django templates?
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None, False and True all are available within template tags and filters. None, False, the empty string ('', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do
{% if profile.user.first_name == None...
jQuery clone() not cloning event bindings, even with on()
...ations. They work great and have been tested. However, I have run into a small problem which I am having trouble understanding.
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