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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
44 Answers
44
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Using Caps Lock as Esc in Mac OS X
How do I make Caps Lock work like Esc in Mac OS X?
14 Answers
14
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How to avoid annoying error “declared and not used”
...)
func main() {
i := 1 // no more error
_ = i
}
As said by kostix in the comments below, you can find the official position of the Go team in the FAQ:
The presence of an unused variable may indicate a bug, while unused imports just slow down compilation. Accumulate enough unused impo...
Command not found when using sudo
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Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used to change the permis...
Insert an element at a specific index in a list and return the updated list
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l.insert(index, obj) doesn't actually return anything. It just updates the list.
As ATO said, you can do b = a[:index] + [obj] + a[index:].
However, another way is:
a = [1, 2, 4]
b = a[:]
b.insert(2, 3)
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What is the correct way to start a mongod service on linux / OS X?
...n, this is straightforward.
When you install via brew, it tells you what exactly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.6.yosemite.bottle.tar.gz ### 100.0%
==> Pouring mongodb-3.0.6....
Mod in Java produces negative numbers [duplicate]
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@Cachapa please provide an example to support that statement. I believe the OP's solution is general already, consider that (((-3 % 4) + 4) % 4) = 1 (the intended result) and also that (((3 % 4) + 4) % 4) = 3 (also the intended result). It works with ...
Print new output on same line [duplicate]
...ode be for it behaving like python 2 with comma?
– onxx
Aug 20 '12 at 4:25
2
Same thing but with ...
Plot smooth line with PyPlot
...rt spline
# 300 represents number of points to make between T.min and T.max
xnew = np.linspace(T.min(), T.max(), 300)
power_smooth = spline(T, power, xnew)
plt.plot(xnew,power_smooth)
plt.show()
spline is deprecated in scipy 0.19.0, use BSpline class instead.
Switching from spline to B...
How can I access a JavaScript object which has spaces in the object's key?
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Use ECMAscripts "bracket notation":
myTextOptions[ 'character names' ].kid;
You can use that notation either way, reading & writting.
For more information read out here:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
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