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Get lengths of a list in a jinja2 template
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@wvxvw this does work: {% set item_count = items | length %} as long as items is a list, dict, etc.
– kbolino
May 14 '19 at 17:51
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Append an element with fade in effect [jQuery]
...Is there a reason you first hide then append (because it's faster to first set a style before attaching to the DOM, or something like that) or does it not make a difference?
– qwertymk
Jan 14 '11 at 3:12
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How do I find where an exception was thrown in C++?
...ited (Linux).
You can install your own terminate() function by using std::set_terminate(). You should be able to set a breakpoint on your terminate function in gdb. You may be able to generate a stack backtrace from your terminate() function and this backtrace may help in identifying the location...
Naming convention - underscore in C++ and C# variables
...vate string _name;
public string Name
{
get { return this._name; }
set { this._name = value; }
}
After:
public string Name { get; set; }
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How to build & install GLFW 3 and use it in a Linux project
... this information is really important for those who would like to setup one IDE instead of use terminal to compile and run; Could you give more details about how to do this? I tried but not successful at all
– Victor R. Oliveira
Apr 20 '14 at 22:24
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'
...ode package manually.
npm install npm -g
The process of doing that will setup all the required directories.
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What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...tly different things when used in a command such as git log that expects a set of commits as one or more arguments. (These commands all end up using git rev-list to parse a list of commits from their arguments.)
The meaning of .. and ... for git log can be shown graphically as below:
So, git rev-l...
What does LINQ return when the results are empty
...n assure you that the mentioned error is not equal to object reference not set to an instance of an object.
in conclusion no, it won't return null since null can't say sequence contains no elements it will always say object reference not set to an instance of an object ;)
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CALayer with transparent hole in it
...ius, 2.0*radius) cornerRadius:radius];
[path appendPath:circlePath];
[path setUsesEvenOddFillRule:YES];
CAShapeLayer *fillLayer = [CAShapeLayer layer];
fillLayer.path = path.CGPath;
fillLayer.fillRule = kCAFillRuleEvenOdd;
fillLayer.fillColor = [UIColor grayColor].CGColor;
fillLayer.opacity = 0.5;
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