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How to check if a float value is a whole number
...hole number instead, or not use float() to find your number. Like rounding down the cube root of 12000:
>>> int(12000 ** (1.0/3))
22
>>> 22 ** 3
10648
If you are using Python 3.5 or newer, you can use the math.isclose() function to see if a floating point value is within a confi...
When should we use mutex and when should we use semaphore
...ead) want to sleep till some other thread tells you to wake up. Semaphore 'down' happens in one thread (producer) and semaphore 'up' (for same semaphore) happens in another thread (consumer)
e.g.: In producer-consumer problem, producer wants to sleep till at least one buffer slot is empty - only the...
Are global variables bad? [closed]
...or a single user using global variables for state and then a request comes down from management to add a REST interface to allow remote applications to act as virtual users. So now you run into having to duplicate the global variables and their state information so that the single user as well as e...
If unit testing is so great, why aren't more companies doing it? [closed]
...takes so unit testing doesn't improve their code quality - only slows them down. Tests never prove absence of bugs only their presence at best.
– KolA
Aug 7 '18 at 10:28
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What do column flags mean in MySQL Workbench?
...than just having a link. That way the answer is safe even if the link goes down (again).
– IQAndreas
Feb 1 '16 at 8:46
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How do I return to an older version of our code in Subversion?
...e it backwards. It works in my end.
For instance:
svn merge -r 5616:5612 https://<your_svn_repository>/
It would contain a merged code back to former revision, then you could commit it.
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LINQPad [extension] methods [closed]
...ebox1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
// https://stackoverflow.com/a/14143574/1016343
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(pathImg);
System.Drawing.Point ulPoint = new System.Drawing.Point(0, 0);
e.Graphics.DrawImage(bmp, ulPoint.X, ulPo...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
... Thanks for including the sp_help command! Helped me narrow down my similar issue.
– Gaʀʀʏ
Jun 5 '12 at 15:36
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How should I choose an authentication library for CodeIgniter? [closed]
... wiki, Redux has been discontinued, but the Ion Auth fork is going strong: https://github.com/benedmunds/CodeIgniter-Ion-Auth
Ion Auth is a well featured library without it being overly heavy or under advanced. In most cases its feature set will more than cater for a project's requirements.
Pros
L...
Detect if the app was launched/opened from a push notification
...push with content-available inside aps, so be aware of this as well :) See https://stackoverflow.com/a/33778990/1418457