大约有 7,000 项符合查询结果(耗时:0.0353秒) [XML]
Numpy first occurrence of value greater than existing value
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96
given the sorted content of your array, there is an even faster method: searchsorted.
import t...
Convert SVG to image (JPEG, PNG, etc.) in the browser
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var img = canvas.toDataURL("image/png");
// do what you want with the base64, write to screen, post to server, etc...
});
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Equivalent of varchar(max) in MySQL?
... max length of a varchar is subject to the max row size in MySQL, which is 64KB (not counting BLOBs):
VARCHAR(65535)
However, note that the limit is lower if you use a multi-byte character set:
VARCHAR(21844) CHARACTER SET utf8
Here are some examples:
The maximum row size is 65535, but a va...
Set every cell in matrix to 0 if that row or column contains a 0
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96
Ok, so I'm tired as it's 3AM here, but I have a first try inplace with exactly 2 passes on each...
Most common C# bitwise operations on enums
...= 2,
Three = 4,
Four = 8,
Five = 16,
Six = 32,
Seven = 64,
Eight = 128,
Nine = 256,
Ten = 512
}
class Program
{
static void Main(string[] args)
{
TestFlags f = TestFlags.Five; /* or any other enum */
bool result = false;
Stopwatch s ...
Using AES encryption in C#
... cipher.Clear();
}
return Convert.ToBase64String(encrypted);
}
public static string Decrypt(string value, string password) {
return Decrypt<AesManaged>(value, password);
}
public static string Decrypt<T>(stri...
MIN/MAX vs ORDER BY and LIMIT
.... As a meaningless data point, MIN() took .36s while SORT and LIMIT took .84s against a 106,000 row table on my dev server.
If, however, you're looking at an indexed column, the difference is harder to notice (meaningless data point is 0.00s in both cases). Looking at the output of explain, howev...
Why does std::getline() skip input after a formatted extraction?
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0x499602D20x499602D2
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OpenJDK availability for Windows OS [closed]
...lds github project.
Update: OpenJDK 8 and 11 LTS binaries for Windows x86_64 can be found in ojdkbuild github project.
Disclaimer: I've built them myself.
Update (2019): OpenJDK Updates Project Builds for 8 and 11 are available now.
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How to detect the current OS from Gradle
...Arch"
}
Just be aware that getArch() will return:
"ppc" on PowerPC
"amd64" on 64b
"i386" OR "x86" on 32b.
getArch() will return "x86" on Solaris or "i386" for any other platform.
Edit 2:
Or if you want to avoid any import, you can simply do it yourself:
def getOsName(project) {
final St...
