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How does the extend() function work in jQuery?
...umentation isn't precise in explaining how extend works, so I ran a little test:
var a = {foo: 1, bar: 1};
var b = {foo: 2, baz: 2};
var c = {foo: 3};
var r = jQuery.extend(a,b,c);
console.log("A: Foo=" + a.foo + " Bar=" + a.bar + " Baz=" + a.baz);
console.log("B: Foo=" + b.foo + " Bar=" + b.bar + ...
Catching error codes in a shell pipe
...n something like:
0 1 0
and something like this run after the command:
test ${PIPESTATUS[0]} -eq 0 -a ${PIPESTATUS[1]} -eq 0 -a ${PIPESTATUS[2]} -eq 0
will allow you to check that all commands in the pipe succeeded.
sh...
What is the difference between Ruby 1.8 and Ruby 1.9
...: utf-8
Real Threading
Race Conditions
Implicit Ordering Assumptions
Test Code
What's New?
Alternate Syntax for Symbol as Hash Keys
Ruby 1.9
{a: b}
redirect_to action: show
Ruby 1.8.6
{:a => b}
redirect_to :action => show
Block Local Variables
Ruby 1.9
[1,2].each {|valu...
Reading output of a command into an array in Bash
...mmand) )
is broken when there are spaces:
$ # I'm using this command to test:
$ echo "one two"; echo "three four"
one two
three four
$ # Now I'm going to use the broken method:
$ my_array=( $( echo "one two"; echo "three four" ) )
$ declare -p my_array
declare -a my_array='([0]="one" [1]="two" [2...
How do I add a ToolTip to a control?
... stay in memory or removed correctly? I would not even spend one minute in testing that. Use a member variabe instead - thats bullet proof!
– Elmue
Jul 11 '14 at 5:19
...
List comprehension: Returning two (or more) items for each item
...(n) for y in (f(x), g(x))] But this is probably slower. @jamylak You could test this too if you want.
– Hashmush
Aug 8 '12 at 16:48
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show 1...
Overloaded method selection based on the parameter's real type
...tuitive if you pass null. The key to understanding this puzzle is that the test for which method or constructor is most specific does not use the actual parameters: the parameters appearing in the invocation.
They are used only to determine which overloadings are applicable. Once the compiler determ...
_DEBUG vs NDEBUG
... causes an increase in the number of configurations you have to build (and test) for arguably small benefit.
With any of these options, if you use third party code as part of your project, you'll have to be aware of which convention it uses.
...
Handle Guzzle exception and get HTTP body
...ith $response->getBody() no matter what the status code is, and you can test the status code if necessary with $response->getStatusCode().
– tremby
Aug 23 '17 at 22:38
3
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...
I've been testing this code with IIS 7 and it hasn't been working for me. I have a CSV file that I'm testing. I've been changing the extension of the CSV (to .png, .jpeg, etc) and the mimetype changes with the extension (image/png, i...