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How do I use a Boolean in Python?
...some_decision:
checker = True
if checker:
# some stuff
[Edit]
For more information: http://docs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and some pro...
How to solve PHP error 'Notice: Array to string conversion in…'
I have a PHP file that tries to echo a $_POST and I get an error, here is the code:
5 Answers
...
How to convert a string to lower case in Bash?
...cho "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# this also works:
$ sed -e 's/\(.*\)/\L\1/' <<< "$a"
hi all
Perl
$ echo "$a" | ...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
What is better, adjacency lists or adjacency matrix, for graph problems in C++?
What are the advantages and disadvantages of each?
...
How to Add Stacktrace or debug Option when Building Android Studio Project
I was trying to investigate the project build error in the console output as follow:
12 Answers
...
What is Weak Head Normal Form?
What does Weak Head Normal Form (WHNF) mean? What does Head Normal form (HNF) and Normal Form (NF) mean?
6 Answers
...
Using try vs if in python
Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Ans...
Logical operator in a handlebars.js {{#if}} conditional
Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this:
...
解决：error while loading shared libraries: libpcre.so.1: cannot open ...
解决：error while loading shared libraries: libpcre.so.1: cannot open shared object file: No such file or directoryerror while loading shared libraries: xxx so 1: cannot open shared object file: No such file or directory错误原因是 error while loading shared libraries: xxx.so.1: cannot open...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...while(true)
{
}
Is always what I've used and what I've seen others use for a loop that has to be broken manually.
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