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Select N random elements from a List in C#
...is is not evenly distributed. Elements 16 thru 22 get underselected (16 = .123, 17 = .124), while element 34 gets overselected (34 =.129). Elements 39 and 40 also get underselected but not by as much (39 = .1247, 40 = .1246)
– Ankur Goel
Feb 22 '10 at 23:21
...
Difference between API and ABI
... to use some library function we write code like:
long howManyDecibels = 123L;
int ok = livenMyHills( howManyDecibels);
and we needed to know that there is a method livenMyHills(), which takes a long integer parameter. So as a Programming Interface it's all expressed in source code. The compile...
Local variables in nested functions
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The nested function looks up variables from the parent scope when executed, not when defined.
The function body is compiled, and the 'free' variables (not defined in the function itself by assignment), are verified, then bound as closu...
Socket.IO Authentication
...rst_name: 'John',
last_name: 'Doe',
email: 'john@doe.com',
id: 123
};
// we are sending the profile in the token
var token = jwt.sign(profile, jwtSecret, { expiresInMinutes: 60*5 });
res.json({token: token});
});
Now, your socket.io server can be configured as follows:
var s...
How to check whether a file or directory exists?
...
123
You can use this :
if _, err := os.Stat("./conf/app.ini"); err != nil {
if os.IsNotExist(...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...table can be created again. Ubuntu 16, mariadb
– waza123
Jan 21 '19 at 18:07
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What is normalized UTF-8 all about?
...
So this is the part where the Grapheme Functions come in then. Not only is the character more bytes than ASCII - but multiple sequences can be a single character right? (As opposed to the MB string functions.)
– Xeoncross
Oct...
How to get a URL parameter in Express?
...issue on getting the value of tagid from my URL: localhost:8888/p?tagid=1234 .
4 Answers
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How to get the mouse position without events (without moving the mouse)?
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123
+50
Edit 20...
How to pass a function as a parameter in Java? [duplicate]
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123
You could use Java reflection to do this. The method would be represented as an instance of j...