大约有 31,100 项符合查询结果（耗时：0.0567秒） [XML]
Why does one use dependency injection?
...dependency injections (DI), and once again I failed. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer).
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The object cannot be deleted because it was not found in the ObjectStateManager
...hed (it was not loaded by the same context instance). Try this:
protected MyEntities sqlEntities;
public virtual void Delete(TEntity entity)
{
sqlEntities.Attach(entity);
sqlEntities.DeleteObject(entity);
sqlEntities.SaveChanges();
}
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Soft keyboard open and close listener in an activity in Android
...esized by the keyboard.
I use something like the following base class for my activities:
public class BaseActivity extends Activity {
private ViewTreeObserver.OnGlobalLayoutListener keyboardLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void o...
Django auto_now and auto_now_add
...to_now_add=True. To me it stands out as a bug, and underscores item #1 in my little list above: auto_now and auto_now_add are flaky at best.
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Include constant in string without concatenating
...', 'bar');
$FOO = FOO;
$string = "I am too lazy to concatenate $FOO in my string";
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String Resource new line /n not possible?
...s in the xml to be able to see a list or whatever multiline string I have. My two cents.
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Cross-browser custom styling for file upload button [duplicate]
I'm trying to style a file upload button to my personal preferences, but I couldn't find any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach .
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How can I pretty-print JSON in a shell script?
...json.tool
or, if the JSON is in a file, you can do:
python -m json.tool my_json.json
if the JSON is from an internet source such as an API, you can use
curl http://my_url/ | python -m json.tool
For convenience in all of these cases you can make an alias:
alias prettyjson='python -m json.too...
How to play a notification sound on websites?
When a certain event occurs, I want my website to play a short notification sound to the user.
10 Answers
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Android ACTION_IMAGE_CAPTURE Intent
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hey my device is not listed here and i have implemented by ur way.but my application still crashes i don knw the reason.please help me
– Geetanjali
Aug 2 '11 at 6:52
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