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_=> what does this underscore mean in Lambda expressions?
...nventions) when you need to specify that the expression has a parameter in order to get the code to compile, but you don't really care about it, so you're just going to ignore it.
It's basically exploiting the syntax for what a legal identifier in C# constitutes, and since an identifier can start w...
What is the most efficient string concatenation method in python?
...
Also, .format() has three forms, in order from fast to slow: "{}".format(x), "{0}".format(x), "{x}".format(x=x)
– TemporalWolf
May 1 '17 at 22:45
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...,
t2.*
from @table1 t1
full outer join @table2 t2 on t1.col1 = t2.col1
order by t1.col1, t2.col1;
/* full outer join
col1 col2 col1 col2
----------- ----------- ----------- -----------
NULL NULL 10 101
1 11 NULL NULL
2 ...
Printf width specifier to maintain precision of floating-point value
... the number of digits after the lead digit and decimal point.
So - 1 is in order. Note: This -1 is not in the initial int Digs = DECIMAL_DIG;
printf("%.*e\n", OP_DBL_Digs - 1, OneSeventh);
// 1.4285714285714285e-01
With "%f", the precision field is the number of digits after the decimal point.
F...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...$PATH). If you now call bash, the shell will first look for it in $PATH in order, so it starts with ~/bin, where it will find your bash. Same thing happens if scripts search for bash using #!/usr/bin/env bash, so these scripts would now be working on your system using your custom bash build.
One do...
Java String - See if a string contains only numbers and not letters
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In order to simply check the string that it contains only ALPHABETS use the following code :
if (text.matches("[a-zA-Z]+"){
// your operations
}
In order to simply check the string that it contains only NUMBER use the foll...
Is there a “goto” statement in bash?
... i think this should be the answer. i have a genuine need for go to in order to support resume execution of a script, from a given instruction. this is, in every way but semantic, goto, and semantics and syntactic sugars are cute, but not strictly necessary. great solution, IMO.
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How to use timeit module
...sort really shine because it performs best when the data already partially ordered).
Here is an example of how to set up a test for sorting:
>>> import timeit
>>> setup = '''
import random
random.seed('slartibartfast')
s = [random.random() for i in range(1000)]
timsort = list.s...
jQuery Selector: Id Ends With?
... I answered the question a long time after an answer was accepted, just in order to add more information for visitors. I hope that people who upvote my answer also upvote the answer to the question.
– Romain Guidoux
Jan 17 '13 at 18:47
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I can’t find the Android keytool
... Linux users have an easier time with this so I won't address them.
So in order to use mapviews in your Android apps, Google wants to check in with them so you can sign off on an Android Maps APIs Terms Of Service agreement. I think they don't want you to make any turn-by-turn GPS apps to compete w...