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How to check type of files without extensions in python?
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@Richard Do you mind elaborating on the overhead aspect? What makes the python-magic library more efficient then using subprocess approaches?
– Greg
Mar 29 '17 at 15:10
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Checking if a key exists in a JS object
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Use the in operator:
testArray = 'key1' in obj;
Sidenote: What you got there, is actually no jQuery object, but just a plain JavaScript Object.
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Explanation of strong and weak storage in iOS5
...5 upwards) then weakObject will automatically be set to nil.
Now consider what happens if we set weakObject to nil like so:
weakObject = nil;
Then if you go through the rules you outlined then you'll ask yourself these questions:
Strong: "keep this in the heap until I don't point to it anymore...
How to mock the Request on Controller in ASP.Net MVC?
...annot be infered from uage. Try specifying the type arguments explicitly. What type do I set 'var request=' to though to get this to work?
– Nissan
Jun 9 '09 at 14:14
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How to randomize (or permute) a dataframe rowwise and columnwise?
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Well, this is changing order of rows and columns, but what OP wanted is different: shuffle each column/row independently
– JelenaČuklina
Feb 2 '16 at 10:51
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How to use OrderBy with findAll in Spring Data
...rs code because it's not where the problem was and if someone doesn't know what should be there, hopefully they will learn something new. Besides, it's in my example below so they wouldn't have to search god knows where, but if you insist, then so be it :) Added 'all' keyword. Thanks.
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Shortest distance between a point and a line segment
...ee to write the solution in any language you want; I can translate it into what I'm using (Javascript).
52 Answers
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Convert String to SecureString
...re your string from people looking at the disassembly or a debugger so see whats in the IL/memory.
– user734028
Jul 20 '19 at 7:39
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Check if object exists in JavaScript
...erator === to test for possibly falsy values. null !== undefined gives you what you might expect. Please also note, that foo != null can be an effective way to check if a variable is neither undefined nor null. Of course you can be explicit, because it may help readability.
If you restrict the ques...
How can I setup & run PhantomJS on Ubuntu?
...ee below.
I'm installing on Ubuntu server Natty Narwhal.
This is exactly what I did.
cd /usr/local/share
sudo wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo tar xjf phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo ln -s /usr/local/share/phantomjs-1.9.7-lin...