大约有 45,000 项符合查询结果(耗时:0.0420秒) [XML]

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mysql :: insert into table, data from another table?

...ed by zerkms is the correct method. But, if someone looking to insert more extra column in the table then you can get it from the following: INSERT INTO action_2_members (`campaign_id`, `mobile`, `email`, `vote`, `vote_date`, `current_time`) SELECT `campaign_id`, `from_number`, 'example@domain.xyz'...
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How to format numbers? [duplicate]

... If you want to use built-in code, you can use toLocaleString() with minimumFractionDigits. Browser compatibility for the extended options on toLocaleString() was limited when I first wrote this answer, but the current status looks good. var n = 100000; var value = n.toLocale...
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Protecting Java Source Code From Being Accessed [closed]

... Extension: In any string literal, replace some blanks with a character that looks like a blank. Like character #255 in ASCII, or the "unwrappable blank" in unicode. Most newbies won´t note the difference, and it will allow you to indiciate wh...
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Android update activity UI from service

... binding.altitude.setText( String.format(Locale.US, "Pressure Altitude %d feet", altitude.intValue()))); } @Override public void onServiceDisconnected(...
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How to run a single test with Mocha?

... there's a catch: grep option needs to be a ´RegExp()´ object. If it's a string, it will be escaped. – h-kippo Nov 21 '14 at 7:42 1 ...
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What is the real overhead of try/catch in C#?

...esentation layer, and was often called for 100s of objects. bool HasRight(string rightName, DomainObject obj) { try { CheckRight(rightName, obj); return true; } catch (Exception ex) { return false; } } void CheckRight(string rightName, DomainObject obj) { if (!_user.Rights.Co...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

...d750e0 000000e9 11111111 00000000 22222222 00000000 0xe90ed750e0 is the string pointer on my machine (not yours). You can easily see the Int32Wrappers, with the extra 4 bytes of padding that turned the size into 24 bytes. Go back to the struct and put the string last. Repeat and you'll see the...
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In STL maps, is it better to use map::insert than []?

...y create: using std::cout; using std::endl; typedef std::map<int, std::string> MyMap; MyMap map; // ... std::pair<MyMap::iterator, bool> res = map.insert(MyMap::value_type(key,value)); if ( ! res.second ) { cout << "key " << key << " already exists " <...
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Why is null an object and what's the difference between null and undefined?

...avaScript: Boolean false. name = ''; You: What is name? JavaScript: Empty string *: name in this context is meant as a variable which has never been defined. It could be any undefined variable, however, name is a property of just about any HTML form element. It goes way, way back and was institute...
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Notification click: activity already open

... by the new notification) and catch them, for example: title = intent.getStringExtra("title") in onCreate previously :) It will refresh present activity with new notification data. You can also follow this tutorial. ...