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Why does typeof array with objects return “object” and not “array”? [duplicate]
...iour and spec in Javascript is the typeof Array is Object.
You can check if the variable is an array in couple of ways:
var isArr = data instanceof Array;
var isArr = Array.isArray(data);
But the most reliable way is:
isArr = Object.prototype.toString.call(data) == '[object Array]';
Since yo...
Why don't C++ compilers define operator== and operator!=?
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-1. Of course you want a deep comparison, if the programmer wanted a pointer comparison, he'd write (&f1 == &f2)
– Viktor Sehr
Sep 1 '10 at 9:07
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Find lines from a file which are not present in another file [duplicate]
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The command you have to use is not diff but comm
comm -23 a.txt b.txt
By default, comm outputs 3 columns: left-only, right-only, both. The -1, -2 and -3 switches suppress these columns.
So, -23 hides the right-only and both columns, showing the lines that a...
onclick open window and specific size
...hout units (width=400 not width=400px).
In most browsers it will not work if it is not written without line breaks, once the variables are setup have everything in one line:
<a href="/index2.php?option=com_jumi&amp;fileid=3&amp;Itemid=11" onclick="window.open(this.href,'targetWindow','t...
Mockito: Trying to spy on method is calling the original method
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What if I use this method and my original one is STILL getting called? Could there be problem with parameters I pass? Here is the whole test: pastebin.com/ZieY790P send method is being called
– Evgeni Petrov...
Sort hash by key, return hash in Ruby
...ere is no concept of a sorted hash. So no, what you're doing isn't right.
If you want it sorted for display, return a string:
"{" + h.sort.map{|k,v| "#{k.inspect}=>#{v.inspect}"}.join(", ") + "}"
or, if you want the keys in order:
h.keys.sort
or, if you want to access the elements in order...
is there an easy way to get the http status code in the failure block from AFHTTPClient?
I see that there is a list of accepted http status codes that I can modify, but I think it would be cleaner if I can get the http status code in the failure block ..
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Should a .sln be committed to source control?
...other answers that solution files are useful and should be committed, even if they're not used for official builds. They're handy to have for anyone using Visual Studio features like Go To Definition/Declaration.
By default, they don't contain absolute paths or any other machine-specific artifacts....
MySQL - UPDATE query based on SELECT Query
I need to check (from the same table) if there is an association between two events based on date-time.
11 Answers
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Selecting data frame rows based on partial string match in a column
...g in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
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