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How do I remove an item from a stl vector with a certain value?
...ontainer_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
...
Remove all classes that begin with a certain string
...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
I'm trying to get a cross-plattform build system working using CMake. Now the software has a few dependencies. I compiled them myself and installed them on my system.
...
Why doesn't C# support the return of references?
...t c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I have done so. Advanced programmers, particularly people porting unmanaged C++ code, often ask us for more C++-like ability to...
Finish an activity from another activity
...ect like this,
public static Activity fa;
onCreate()
{
fa = this;
}
now use that object in another Activity to finish first-activity like this,
onCreate()
{
FirstActivity.fa.finish();
}
SECOND WAY
While calling your activity FirstActivity which you want to finish as soon as you move o...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
... second, you want to remove liability in case of security breach. I don't know of any lawsuits offhand, but leaking passwords makes your company look really bad.
– James McMahon
Feb 5 '14 at 13:50
...
How do I extract a sub-hash from a hash?
...gt; 4}
extracted_slice = initial_hash.slice!(:a, :c)
initial_hash would now be
{:b => 2, :d =>4}
extracted_slide would now be
{:a => 1, :c =>3}
You can look at slice.rb in ActiveSupport 3.1.3
share
...
How can I autoplay a video using the new embed code style for Youtube?
...
This doesn't appear to work as of right now. It worked perfectly 1 week ago.
– Peeja
Feb 18 '14 at 15:36
23
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Proper SCSS Asset Structure in Rails
..."bootstrap/bootstrap.scss";
Because of the order of the imports, you can now use the variables, loaded with @import "variables.scss"; in any other .scss file imported after it. So they can be used in type.scss in the bootstrap folder but also in my_model.css.scss.
After this create a folder named...
Reset select2 value and show placeholder
...er Select2 versions. Use $element.val() instead.
The best way to do this now is:
$('#your_select_input').val('');
Edit: December 2016 Comments suggest that the below is the updated way to do this:
$('#your_select_input').val([]);
...