大约有 40,000 项符合查询结果（耗时：0.0584秒） [XML]
What is the AppDelegate for and how do I know when to use it?
I'm just beginning to work on iPhone apps. How do I know when I should be putting stuff in AppDelegate versus a custom class? Is there a rule or any type of analogy with another programming language like Python or PHP that uses an AppDelegate like pattern?
...
How to effectively work with multiple files in Vim
...egular :q or :wq you close a tab.
If you map :tabn and :tabp to your F7/F8 keys you can easily switch between files.
If there are not that many files or you don't have Vim 7 you can also split your screen in multiple files: :sp <filepath>. Then you can switch between splitscreens with Ctrl+W ...
href=“tel:” and mobile numbers
If I use tel: I should write the international phone code, like that.
5 Answers
5
...
How to make a display in a horizontal row
How can I make my list items appear horizontally in a row using CSS?
7 Answers
7
...
What is Android keystore file, and what is it used for?
...stion, but particularly I am interested in it's use for Android. What is a keystore file, and what is it used for?
4 Answer...
Rebase a single Git commit
...
You can cherry-pick XX to master.
git checkout master
git cherry-pick <commit ID of XX>
And remove the last commit from the feature branch with git reset.
git checkout Feature-branch
git reset --hard HEAD^
...
Remove Trailing Spaces and Update in Columns in SQL Server
...
rs.rs.
23.5k1212 gold badges5959 silver badges8585 bronze badges
...
Wait until file is unlocked in .NET
What's the simplest way of blocking a thread until a file has been unlocked and is accessible for reading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
...
Why are Python lambdas useful? [closed]
...
Are you talking about lambda functions? Like
lambda x: x**2 + 2*x - 5
Those things are actually quite useful. Python supports a style of programming called functional programming where you can pass functions to other functions to do...
Define global variable in a JavaScript function
...a scoping function and use variables local to that scoping function, and make your other functions closures within it:
<script>
(function() { // Begin scoping function
var yourGlobalVariable; // Global to your code, invisible outside the scoping function
function foo() {
// .....