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Parse v. TryParse
...way it is most likely implemented is that internally the Parse method will call TryParse and then throw an exception if it returns false.
In a nutshell, use Parse if you are sure the value will be valid; otherwise use TryParse.
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How to add elements to an empty array in PHP?
...eration, but it also doesn't impose the performance overhead of a function call, which array_push() would. Edit: But, great answer. Effectively the same, and majority of uses won't even notice a performance difference, but helps to know those nuances.
– Mattygabe
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How to require a fork with composer
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@seldaek you saved me! thank you! ( My fork was called dev-dev-.. ) didn't know the naming was automatically.
– Miguel Stevens
Mar 9 '15 at 21:11
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When do you use POST and when do you use GET?
...e address bar of your browser. Use GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring you to a confirmation page, rather than simply deleting the item. It's far easier to avoid accidents this way.
POST is also more secure ...
Create a folder if it doesn't already exist
...ou need to pass 'recursive' flag as third argument (boolean true) in mkdir call like this:
mkdir('path/to/directory', 0755, true);
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machine learning libraries in C# [closed]
...github.com/dotnet/machinelearning
OLD
There's a neural network library called AForge.net on the codeproject. (Code hosted at Google code) (Also checkout the AForge homepage - According to the homepage, the new version now supports genetic algorithms and machine learning as well. It looks like it...
Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ttom line). Naturally, this creates a variable inside the function's scope called Var1 (truthfully, a -= or += will only update (reassign) an existing variable, but for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at modul...
How to clone a Date object?
... new Date(date) same as new Date(date.getTime()), because JS will try to call date.valueOf() when it need a number, and date.valueOf() is same as date.getTime(), reference Date.valueOf Object.valueOf
– Steely Wing
Sep 27 '13 at 7:41
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How can I connect to MySQL in Python 3 on Windows?
...ster than mysql-connector
Almost completely compatible with MySQLdb, after calling pymysql.install_as_MySQLdb()
https://pypi.python.org/pypi/cymysql
fork of pymysql with optional C speedups
https://pypi.python.org/pypi/mysqlclient
Django's recommended library.
Friendly fork of the original M...
How to load local html file into UIWebView
...ile into my UIWebView but it won't work. Here's the stage: I have a folder called html_files in my project. Then I created a webView in interface builder and assigned an outlet to it in the viewController. This is the code I'm using to append the html file:
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