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Reference assignment operator in PHP, =&
...$b = &$a;
$a = 4;
print "$b"; // prints 4
Here's a handy link to a detailed section on Assign By Reference in the PHP manual. That page is part of a series on references - it's worth taking a minute to read the whole series.
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Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
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Elliott Hughes offers more details about the documentation rewrite on his blog: http://elliotth.blogspot.com/2010/09/java-benchmarks.html
The second half of the post explains that every claim on the Performance doc is now backed up with benchmarks. Pr...
Python str vs unicode types
...t encoded! The internal representation used by python is an implementation detail, and you shouldn't care about it as long as it is able to represent the code points you want.
On the contrary str in Python 2 is a plain sequence of bytes. It does not represent text!
You can think of unicode as a ge...
Center content of UIScrollView when smaller
...ty. See petersteinberger.com/blog/2013/how-to-center-uiscrollview for more details.
– Matej Bukovinski
Jan 26 '15 at 16:15
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How can I check whether a numpy array is empty or not?
...ng the None object is not an empty array, see the answers here for further details
– DrBwts
Jun 22 '19 at 12:28
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Redirect stdout pipe of child process in Go
... Googling) to confirm that my hunch was correct, and to find the necessary details. The hardest parts were (1) finding what standard-output is called (os.Stdout) and (2) confirming the premise that, if you don't call cmd.StdoutPipe() at all, the standard-output goes to /dev/null rather than to the p...
What does the arrow operator, '->', do in Java?
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Look at the question: "Details: Java 6, Apache Commons Collection, IntelliJ 12" Lambda in java 6 ???
– Anton-M
Mar 14 '13 at 10:34
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How does having a dynamic variable affect performance?
...Convert.ToXXX causes the compiler to fire up. I'm sure I'm butchering the details, but hopefully you know what I'm talking about.
– Adam Rackis
Sep 20 '11 at 15:49
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What is difference between cacerts and keystore?
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Cacerts are details of trusted signing authorities who can issue certs. This what most of the browsers have due to which certs determined to be authentic.
Keystone has your service related certs to authenticate clients.
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Windows batch: call more than one command in a FOR loop?
...ine, otherwise the batch file will be incorrect.
See if /?|find /V "" for details.
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