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How to delete all files and folders in a directory?
...e(true);
}
If your directory may have many files, EnumerateFiles() is more efficient than GetFiles(), because when you use EnumerateFiles() you can start enumerating it before the whole collection is returned, as opposed to GetFiles() where you need to load the entire collection in memory befor...
When should I use semicolons in SQL Server?
...can dispense with the statement terminator; in a script, as you're sending more than one statement, you need it.
In practice, always include the terminator even if you're just sending one statement to the database.
Edit: in response to those saying statement terminators are not required by [partic...
How to use concerns in Rails 4
...ference where one talk was about DCI and finally I understood a little bit more about its philosophy. Changed the text so it doesn't mention DCI at all.
– yagooar
Mar 10 '13 at 18:53
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Java: Get month Integer from Date
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Is there any performance gain in indexing a boolean field?
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What is the difference between an Azure Web Site and an Azure Web Role
... lot of the info in this answer is no longer correct - see comments.
Add more to @David response:
With Windows Azure Websites, you don't have control over IIS or web Server because you are using a resources slice along with hundreds of other website on the same machine, you are sharing resources ...
What is the difference between lock and Mutex?
...ed system mutexes. A local mutex exists only within your process.
Furthermore, one should take special care - detailed on the same page as well - when using a system-wide mutex on a system with Terminal Services.
One of the differences between Mutex and lock is that Mutex utilizes a kernel-level ...
Difference between 'python setup.py install' and 'pip install'
...u easily install wheels, which is the new standard of Python distribution. More info about wheels.
pip offers additional benefits that integrate well with using virtualenv, which is a program that lets you run multiple projects that require conflicting libraries and Python versions on your computer....
Can hash tables really be O(1)?
...into the hash value, so it's O(1) regardless of text length (but massively more collision prone than GCC!). Separately, claims of O(1) have another assumption (normally correctly) that m is much less than n.
– Tony Delroy
Feb 20 '18 at 14:26
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Formatting Phone Numbers in PHP
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This is a US phone formatter that works on more versions of numbers than any of the current answers.
$numbers = explode("\n", '(111) 222-3333
((111) 222-3333
1112223333
111 222-3333
111-222-3333
(111)2223333
+11234567890
1-8002353551
123-456-7890 -Hello!
+1...