大约有 40,000 项符合查询结果（耗时：0.0451秒） [XML]
Set attribute without value
... answered Oct 31 '12 at 13:37
Callum McLeanCallum McLean
1,20177 silver badges1212 bronze badges
...
How to disable Crashlytics during development
...orting from the Crashlytics web dashboard for the debug version.
Wrap the call to Crashlytics.start() in an if statement that checks a debug flag. You could use either a custom flag or an approach like the ones proposed here: How to check if APK is signed or "debug build"?
...
Style child element when hover on parent
...possible. Is there any solution possible through :hover CSS selectors. Actually I need to change color of options bar inside a panel when there is an hover on the panel.
...
How to get the Power of some Integer in Swift language?
...
I really like this solution, but with Swift 3 it does not work. Any idea how to make it work?
– Vanya
Sep 19 '16 at 18:51
...
What is the (function() { } )() construct in JavaScript?
...tion expression. Then look at the last pair (function(){})();, this is normally added to an expression to call a function; in this case, our prior expression.
This pattern is often used when trying to avoid polluting the global namespace, because all the variables used inside the IIFE (like in any ...
Popstate on page's load in Chrome
I am using History API for my web app and have one issue.
I do Ajax calls to update some results on the page and use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button i...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
I tried to reinstall an apk
16 Answers
16
...
What is the difference between #import and #include in Objective-C?
... decent header files protect themselves against this anyway, so it's not really that much of a benefit.
Basically, it's up to you to decide which you want to use. I tend to #import headers for Objective-C things (like class definitions and such) and #include standard C stuff that I need. For exampl...
Inserting a tab character into text using C#
...re than one TextBox are displayed and that alignment must be respected for all TextBox, the ONLY "\t" or vbTab solution will display something that is NOT ALWAYS correctly aligned.
Example in VB.Net:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
TextBox1.Text = ...
Objective-C declared @property attributes (nonatomic, copy, strong, weak)
... retaining the copy.
Assign
Assign is somewhat the opposite to copy. When calling the getter of an assign property, it returns a reference to the actual data. Typically you use this attribute when you have a property of primitive type (float, int, BOOL...)
Retain
retain is required when the attribut...