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Random alpha-numeric string in JavaScript? [duplicate]
...'#A!'));
Fiddle: http://jsfiddle.net/wSQBx/2/
Alternatively, to use the base36 method as described below you could do something like this:
function randomString(length) {
return Math.round((Math.pow(36, length + 1) - Math.random() * Math.pow(36, length))).toString(36).slice(1);
}
...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...lem and the issue was that I had a 32 bit version of Eclipse running on my 64 bit machine and it wanted the 32 bit version of JRE.
I changed Program Files to Program Files (x86) in the eclipse.ini file like so:
-VM
C:Program Files (x86)\Java\jre6\bin
and that solved the problem.
You may want t...
How to Compare Flags in C#?
...tType(),
this.GetType()));
}
ulong uFlag = ToUInt64(flag.GetValue());
ulong uThis = ToUInt64(GetValue());
// test predicate
return ((uThis & uFlag) == uFlag);
}
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...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...e CV_32S: r = "32S"; break;
case CV_32F: r = "32F"; break;
case CV_64F: r = "64F"; break;
default: r = "User"; break;
}
r += "C";
r += (chans+'0');
return r;
}
If M is a var of type Mat you can call it like so:
string ty = type2str( M.type() );
printf("Matrix: %s %dx%d ...
How to identify numpy types in python?
...rtabarnert
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...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...guage: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' - 'A' + 1; string name = String.Empty; do { name = Convert.ToChar('A' + index % BASE) + name; index = index / BASE - 1; } while (index >= 0); return name; }
...
Array.Copy vs Buffer.BlockCopy
...
Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code.
...
How to convert an int value to string in Go?
...sting to note that strconv.Itoa is shorthand for
func FormatInt(i int64, base int) string
with base 10
For Example:
strconv.Itoa(123)
is equivalent to
strconv.FormatInt(int64(123), 10)
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Which version of Python do I have installed?
... -v command, since it tells architecture of the installed python (32bit or 64bit)
– Abouzar Nouri
Jan 10 '17 at 12:28
1
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...可以运行演示：根据演示设置，您会看到响应手机移动的图片或显示双眼图像的分屏。但您应该使用查看器以获得完整效果。如果您没有查看器，您可能首先想尝试没有查看器的演示，然后获取查看器进行更多探索。访问 Google ...