大约有 9,179 项符合查询结果（耗时：0.0250秒） [XML]
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
4 An...
Most efficient way to create a zero filled JavaScript array?
...one liner. Here is what I do:
If I want to pre-fill with a number:
Array.apply(null, Array(5)).map(Number.prototype.valueOf,0);
// [0, 0, 0, 0, 0]
If I want to pre-fill with a string:
Array.apply(null, Array(3)).map(String.prototype.valueOf,"hi")
// ["hi", "hi", "hi"]
Other answers have sug...
AngularJS ng-click stopPropagation
...wise calling $event.stopPropagation() was redirecting me to the root of my app when clicking the button.
– Desty
Oct 21 '15 at 16:13
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show ...
Django CharField vs TextField
...e found that using TextField by default can impact the portability of your app. There might not be a performance hit on Postgres, but Oracle will store it as a CLOB which has some annoyances, like not being able to use the field in WHERE statements. Just something to consider.
–...
Difference between framework and static library in xcode4, and how to call them
... header files into your project or reference them somewhere by setting the appropriate header search paths in your build settings.
So: in summary, my opinion is that the best way of distributing your library is as a framework. To create a "static" framework for iOS, you can essentially take a norma...
Moving Files into a Real Folder in Xcode
When I started my project I was happy to use Groups in Xcode rather than literal folders: Since I'm using the browser in Xcode to access everything, stuff was nicely organized and I was happy.
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What is Normalisation (or Normalization)?
...ll is that it is tricky to update, tricky to query against, and you cannot apply indexes, constraints and so on.
(2) Having redundant non-key data (ie. data repeated unnecessarily in several rows). Example:
UserId | UserName | Car
-----------------------
1 | John | Toyota
2 | Sue ...
Are soft deletes a good idea? [duplicate]
...take even longer to discover (I worked on one project where this had been happening for years; not many records were ever "deleted", so the totals were close to what was expected and no one noticed).
Finally, a soft delete will work on a table with artificial keys, but potentially won't work on a t...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ize the culprit sample. Compile this using Visual Studio 2012 as a console app:
3 Answers
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Why use HttpClient for Synchronous Connection
...s and blocking the thread in which you called this .Result (which usually happens to be the main UI thread).
– Darin Dimitrov
Feb 27 '14 at 21:55
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