大约有 12,000 项符合查询结果（耗时：0.0219秒） [XML]
Is String.Format as efficient as StringBuilder
...'s of megabytes of text, or whether it's being called when a user clicks a button now and again. Unless you're doing some huge batch processing job I'd stick with String.Format, it aids code readability. If you suspect a perf bottleneck then stick a profiler on your code and see where it really is.
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What is the difference between List (of T) and Collection(of T)?
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List is faster.
Do for example
private void button1_Click(object sender, EventArgs e)
{
Collection<long> c = new Collection<long>();
Stopwatch s = new Stopwatch();
s.Start();
for (long i = 0; i <= 10000000; i++)
{
c.Add(i);
}
s.Stop();
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Hibernate Annotations - Which is better, field or property access?
...sents an interface that the user can use to modify the document - a set of buttons, tools, keyboard commands etc. However, when you choose to persist (Save) that document, it saves the internal state, not the set of keypresses and mouse clicks used to generate it.
Saving the internal state of the ...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
... still some devices screen go dim and the customer needs to press the home button to wake the screen. I now put this code into a timer that fires every 2.5 hours to reset the idle timer, hopefully this will work.
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Use of Application.DoEvents()
... Very, very bad.
There's more: The user could click the same menu item or button that causes the same loop to get started. Now you have two nested loops executing DoEvents(), the previous loop is suspended and the new loop is starting from scratch. That could work, but boy the odds are slim. Esp...
Xcode 4 - detach the console/log window
... unsatisfactory about this solution for you? Is it that you still have the buttons at the top (Run, Stop, etc) taking up space?
– funroll
Nov 6 '12 at 15:38
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What are five things you hate about your favorite language? [closed]
...s generally untrusted - associated with scummery such as blocking the back button, pop-ups that never die, etc.
It's nearly impossible to debug because there are only a few different error messages and a few different types (Number, String, Object, etc.)
If it wasn't for jQuery, I'd probably still...
Disable XML validation in Eclipse
... very sensitive if you click the **Browse File...* or **Browser Folder...* button. This dialog needs some work!
This was done using Eclipse 4.3 (Kepler).
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Is AsyncTask really conceptually flawed or am I just missing something?
...e View, you don't usually program classes derived from e.g. android.widget.Button, but you can. Usually, the only thing you do about the View is the xml.)
In other words, it is wrong to place AsyncTask derivatives in the methods of Activities. OTOH, if we must not use AsyncTasks in Activities, Asyn...
Remove/Add Line Breaks after Specific String using Sublime Text
... @Amanda try Option+Enter instead of ESC (shortcut for the "Find All" button).
– Sara
Jun 7 '13 at 2:00
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