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Do something if screen width is less than 960 px
...
You might want to combine it with a resize event:
$(window).resize(function() {
if ($(window).width() < 960) {
alert('Less than 960');
}
else {
alert('More than 960');
}
});
For R.J.:
var eventFired = 0;
if ($(window).width() < 960) {
alert('Less than 960');
}
else {...
Locate current file in IntelliJ
...I locate the current file in the project structure? (Similar to Visual Studio's Ctrl + Alt + L ). What is the name of the operation (so I can define it in the keymap)
...
Are there benefits of passing by pointer over passing by reference in C++?
...
A pointer can receive a NULL parameter, a reference parameter can not. If there's ever a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site w...
How to increment a NSNumber
...ts's one-line answers better. They're more concise, and don't require additional variables.
In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumber.
For instance, for an NSNumber holding an integer:
NSNumber *number = [NSNumber nu...
How to show the loading indicator in the top status bar
...
It's in UIApplication:
For Objective C:
Start:
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
End:
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
For swift :
Start
UIApplication.shar...
What's the difference between std::move and std::forward
...sing it.
std::forward has a single use case: to cast a templated function parameter (inside the function) to the value category (lvalue or rvalue) the caller used to pass it. This allows rvalue arguments to be passed on as rvalues, and lvalues to be passed on as lvalues, a scheme called "perfect fo...
UIRefreshControl on UICollectionView only works if the collection fills the height of the container
I'm trying to add a UIRefreshControl to a UICollectionView , but the problem is that the refresh control does not appear unless the collection view fills up the height of its parent container. In other words, unless the collection view is long enough to require scrolling, it cannot be pulled down...
How to get error information when HttpWebRequest.GetResponse() fails
...the response
console.Writeline(response.Body.Id); //where the body param matches the object you pass in as an anonymous type.
}else {
//do something with the error
console.Writelint(string.Format("{0}: {1}", response.StatusCode.ToString(), response.ErrorMessage);
...
How to get current path with query string using Capybara
...rch=name but you only care that it's on the /people page regardless of the param, you can send the only_path option:
expect(page).to have_current_path(people_path, only_path: true)
Additionally, if you want to compare the entire URL:
expect(page).to have_current_path(people_url, url: true)
Cre...
Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...先解决常见的内存泄露问题，这个过程可以借助Android Studio的Analyze-Inspect Code对代码做静态分析，常见的内存泄露问题有：
非静态内部类导致的内存泄露，比如Handler，解决方法是将内部类写成静态内部类，在静态内部类中使...