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Check if bash variable equals 0 [duplicate]
I have a bash variable depth and I would like to test if it equals 0. In case yes, I want to stop executing of script. So far I have:
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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answered Feb 15 '12 at 0:25
Dan WichDan Wich
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Escape a dollar sign in string interpolation
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180
Just double it
scala> val name = "foo"
name: String = foo
scala> s"my.package.$name$$"
r...
How to remove element from array in forEach loop?
...'b', 'c', 'b', 'a', 'a'],
index = review.length - 1;
while (index >= 0) {
if (review[index] === 'a') {
review.splice(index, 1);
}
index -= 1;
}
log(review);
<pre id="out"></pre>
Ok, but you wanted to use ES5 iteration methods. Well and option would be to use Arra...
Ternary Operator Similar To ?:
...Hi".getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res0: String = String
scala> List.getClass.getSimpleName |> {x => x.endsWith("$") ? x.init | x}
res1: String = List
Is this adequate for your needs?
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How do Trigonometric functions work?
... a standard interval. For starters, you could reduce angles to be between 0 and 360 degrees. But by using a few identities, you realize you could get by with less. If you calculate sines and cosines for angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions f...
detach all packages while working in R
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10 Answers
10
Active
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Format an Integer using Java String Format
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Use %03d in the format specifier for the integer. The 0 means that the number will be zero-filled if it is less than three (in this case) digits.
See the Formatter docs for other modifiers.
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How to view the Folder and Files in GAC?
...ath_to_the_assembly"
View:
Open in Windows Explorer folder
.NET 1.0 - NET 3.5: c:\windows\assembly (%systemroot%\assembly)
.NET 4.x: %windir%\Microsoft.NET\assembly
OR gacutil –l
When you are going to install an assembly you have to specify where gacutil can find it, so you have to pro...
pass **kwargs argument to another function with **kwargs
...t lists
– dinosaur
Sep 19 '15 at 17:05
8
An actual code example would make this answer considerab...