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Compare integer in bash, unary operator expected
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I need to add my 5 cents. I see everybody use [ or [[, but it worth to mention that they are not part of if syntax.
For arithmetic comparisons, use ((...)) instead.
((...)) is an arithmetic command, which returns an exit status of 0 if
th...
In PHP, what is a closure and why does it use the “use” identifier?
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@Mytskine Well, according to the doc, anonymous functions use the Closure class
– Manny Fleurmond
Nov 16 '16 at 2:24
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Draw on HTML5 Canvas using a mouse
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@RyanCameron.Me It's more likely because my resize function. I'm setting width and height of canvas based on window size. You should set these based on your <div class="container-fluid">.
– Matěj Pokorný
Apr 10 '17 at 1...
How to write one new line in Bitbucket markdown?
...likely works in other markdown documents as well
– Hamy
Feb 25 '17 at 13:21
2
I'd never do this b...
How to check if a value exists in an array in Ruby
...erpreted the question to mean "without having to write the loop explicitly myself"
– Brian Campbell
Sep 10 '16 at 15:45
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show 6 more commen...
Invalid URI: The format of the URI could not be determined
...ructor for Uri.
If you have the server name
string server = "http://www.myserver.com";
and have a relative Uri path to append to it, e.g.
string relativePath = "sites/files/images/picture.png"
When creating a Uri from these two I get the "format could not be determined" exception unless I us...
Sublime Text 2 - Link with Editor / Show file in sidebar
...nswered Feb 12 '12 at 10:32
Jeremy HalliwellJeremy Halliwell
3,16511 gold badge1212 silver badges1313 bronze badges
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How to send only one UDP packet with netcat?
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I did not find the -q1 option on my netcat. Instead I used the -w1 option. Below is the bash script I did to send an udp packet to any host and port:
#!/bin/bash
def_host=localhost
def_port=43211
HOST=${2:-$def_host}
PORT=${3:-$def_port}
echo -n "$1" | n...
Super-simple example of C# observer/observable with delegates
I recently started digging into C# but I can't by my life figure out how delegates work when implementing the observer/observable pattern in the language.
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Is there a JavaScript / jQuery DOM change listener?
...link, removed the bit about the green box, and edited the entire list into my answer (just in case of future link rot).
– apsillers
Apr 8 '14 at 14:27
4
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