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Compare integer in bash, unary operator expected
...new error like integer expression expected if the variable is numeric; providing a non-numeric variable value, whether quoted or not, will result in said error.
– vladr
Dec 17 '16 at 6:24
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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
I'm new to Android and I've seen example code using these annotations. For example:
3 Answers
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How to install a specific version of a ruby gem?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Creating java date object from year,month,day
...e, the months used to be numbered from zero in Java 7. Use constants to avoid trouble.
– jediz
Jun 6 '18 at 9:31
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How to write one new line in Bitbucket markdown?
...g meaningful space in this way is too implicit.
– AndiDog
Sep 4 '17 at 20:24
@AndiDog still better than a <br/>
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Can a class extend both a class and implement an Interface
... Is it a bad practice?
– Mohammed Shamshid
Feb 28 '19 at 9:49
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How to check if a value exists in an array in Ruby
...nt time (i.e O(1)). So if you array is constant, for example, it is a good idea to use a Set instead. E.g:
require 'set'
ALLOWED_METHODS = Set[:to_s, :to_i, :upcase, :downcase
# etc
]
def foo(what)
raise "Not allowed" unless ALLOWED_METHODS.include?(wh...
Why do we have map, fmap and liftM?
...wered Sep 18 '11 at 18:40
li.davidmli.davidm
8,79444 gold badges2525 silver badges2828 bronze badges
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Sublime Text 2 - Link with Editor / Show file in sidebar
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https://github.com/sobstel/SyncedSideBar
You can install this via the Package Control utility (although it doesn't mention it on the github page).
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i...
How to send only one UDP packet with netcat?
... might as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" alias...