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'float' vs. 'double' precision
...(These are all diadic rationals with numerator fitting in the mantissa and base-2 logarithm of the denominator fitting in the exponent.)
– R.. GitHub STOP HELPING ICE
Feb 24 '11 at 1:12
...
What is data oriented design?
...ntities in your mental model of the problem. Since data is lumped together based on data usage, you won't always have sensible names to give your classes in Data Oriented Design.
Relation to relational databases
The thinking behind Data Oriented Design is very similar to how you think about relati...
How to sparsely checkout only one single file from a git repository?
...it doesn't store files as you think (as CVS/SVN do), but it generates them based on the entire history of the project.
But there are some workarounds for specific cases. Examples below with placeholders for user, project, branch, filename.
GitHub
wget https://raw.githubusercontent.com/user/projec...
How to validate an e-mail address in swift?
...
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRe...
Maintain aspect ratio of div but fill screen width and height in CSS?
...tio for the div, and the text matching its scale exactly.
Initial size is based on full width:
div {
width: 100vw;
height: calc(100vw * 9 / 16);
font-size: 10vw;
/* align center */
margin: auto;
position: absolute;
top: 0px; right: 0px; bottom: 0px; left: 0px;
/* visual indicat...
How to find the installed pandas version
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to convert an IPv4 address into a integer in C#?
...ses. Meanwhile, the IPAddress.Address property, while deprecated, is an Int64 that returns the unsigned 32-bit value of the IPv4 address (the catch is, it's in network byte order, so you need to swap it around).
For example, my local google.com is at 64.233.187.99. That's equivalent to:
64*2^24 + ...
Why does struct alignment depend on whether a field type is primitive or user-defined?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Generating random strings with T-SQL
...is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based.
– Remus Rusanu
Feb 17 '16 at 13:42
T...
What is causing “Unable to allocate memory for pool” in PHP?
...allowing only 32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's...