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Swift double to string
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213
It is not casting, it is creating a string from a value with a format.
let a: Double = 1.5
let b...
How do I add a password to an OpenSSH private key that was generated without a password?
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3 Answers
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Command line: piping find results to rm
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answered Jun 25 '12 at 15:03
Lev LevitskyLev Levitsky
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TypeError: 'dict_keys' object does not support indexing
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234
Clearly you're passing in d.keys() to your shuffle function. Probably this was written with py...
Convert a list of data frames into one data frame
... joekliegjoeklieg
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What does “abstract over” mean?
...or example, consider a program that takes the sum of the numbers 1, 2, and 3:
val sumOfOneTwoThree = 1 + 2 + 3
This program is not very interesting, since it's not very abstract. We can abstract over the numbers we're summing, by integrating all lists of numbers under a single symbol ns:
def sum...
Best practices for exception management in Java or C# [closed]
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answered Jan 3 '09 at 18:49
Brian RasmussenBrian Rasmussen
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Add unique constraint to combination of two columns
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223
Once you have removed your duplicate(s):
ALTER TABLE dbo.yourtablename
ADD CONSTRAINT uq_your...
Reordering arrays
...splice(to, 0, this.splice(from, 1)[0]);
};
Then just use:
var ar = [1,2,3,4,5];
ar.move(0,3);
alert(ar) // 2,3,4,1,5
Diagram:
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What do numbers using 0x notation mean?
...x are hexadecimal integers. (base 16)
The number 0x6400 is 25600.
6 * 16^3 + 4 * 16^2 = 25600
For an example including letters (also used in hexadecimal notation where A = 10, B = 11 ... F = 15)
The number 0x6BF0 is 27632.
6 * 16^3 + 11 * 16^2 + 15 * 16^1 = 27632
24576 + 2816 + 240 ...