大约有 40,000 项符合查询结果（耗时：0.0517秒） [XML]
Sending a message to nil in Objective-C
...e to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
11 Answers
...
How to force use of overflow menu on devices with menu button
... fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list that requires the user to jump from a touch(screen)...
Git: Create a branch from unstaged/uncommitted changes on master
...ranch_name
does not touch your local changes. It just creates the branch from the current HEAD and sets the HEAD there.
So I guess that's what you want.
--- Edit to explain the result of checkout master ---
Are you confused because checkout master does not discard your changes?
Since the change...
client secret in OAuth 2.0
...changing zoom and design to fit the app) but there was nothing stopping me from reading values from fields inside the web view with username and password. Therefore I totally agree with your second point and find it a big "bug" in OAuth spec. Point being "App doesn't get access to users credentials"...
Difference between CouchDB and Couchbase
...eed to be pointed out.
I will not write about the advantages of switching from CouchDB to the Couchbase Server because those are described pretty much everywhere (see The Future of CouchDB by Damien Katz or
Couchbase vs. Apache CouchDB
by Couchbase). Instead, I will try to enumerate features of Co...
.NET Configuration (app.config/web.config/settings.settings)
...sion-controlled in a different repository or a different folder structure from your app. You can make your .config files more source-control friendly through intelligent use of configSource.
I've been doing this for 7 years, on over 200 ASP.NET applications at 25+ different companies. (Not trying...
What is a “thread” (really)?
...a break right now, but you want to be able to come back and resume reading from the exact point where you stopped. One way to achieve that is by jotting down the page number, line number, and word number. So your execution context for reading a book is these 3 numbers.
If you have a roommate, and s...
.gitignore after commit [duplicate]
...repo. ( --cached since you probably want to keep the local copy but remove from the repo. ) So if you want to remove all the exe's from your repo do
git rm --cached /\*.exe
(Note that the asterisk * is quoted from the shell - this lets git, and not the shell, expand the pathnames of files and sub...
Is there some way to PUSH data from web server to browser?
...erver message-based communication.
You can easily initiate the connection from javascript:
var ws = new WebSocket("ws://your.domain.com/somePathIfYouNeed?args=any");
ws.onmessage = function (evt)
{
var message = evt.data;
//decode message (with JSON or something) and do the needed
};
The se...
How do I lowercase a string in Python?
Is there a way to convert a string from uppercase, or even part uppercase to lowercase?
5 Answers
...