大约有 38,000 项符合查询结果（耗时：0.0554秒） [XML]
postgresql COUNT(DISTINCT …) very slow
... holy queries batman! This sped up my postgres count distinct from 190s to 4.5 whoa!
– rogerdpack
Nov 17 '14 at 22:25
21
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Passing two command parameters using a WPF binding
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Alexander Abakumov
9,58199 gold badges6363 silver badges9999 bronze badges
answered Aug 29 '09 at 9:50
Kent BoogaartKent...
How to pass event as argument to an inline event handler in JavaScript?
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Akram BerkawyAkram Berkawy
3,49222 gold badges1717 silver badges2424 bronze badges
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How do I update a formula with Homebrew?
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59
You can update all outdated packages like so:
brew install `brew outdated`
or
brew outdated...
MongoDB: Find a document by non-existence of a field?
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fracz
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answered Dec 19 '11 at 21:04
dampierdampier
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Which websocket library to use with Node.js? [closed]
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393
Getting the ball rolling with this community wiki answer. Feel free to edit me with your improv...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
... throw new ArgumentNullException("password");
}
using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8))
{
salt = bytes.Salt;
buffer2 = bytes.GetBytes(0x20);
}
byte[] dst = new byte[0x31];
Buffer.BlockCopy(salt, 0, dst, 1, 0x10);...
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
...is now supported on mobile devices
GluonVM to replace RoboVM enabling Java 9 support for mobile developers. Yes, you heard it right.
Mobile Project has been launched by Oracle to support JDK on all major mobile platforms. It should support JavaFX as well ;)
How to get started
If you are not the D...
ASP.Net: Literal vs Label
...easier to use.
– Harry Pehkonen
Jun 9 '17 at 18:42
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
...n of a rectangle?
– emeraldhieu
Jul 9 '11 at 16:01
4
This is the formula for Converting dp units ...