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Converting an integer to a string in PHP
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$foo = 5;
$foo = $foo . "";
Now $foo is a string.
But, you may want to get used to casting. As casting is the proper way to accomplish something of that sort:
$foo = 5;
$foo = (string)$foo;
Another way is to encapsulate...
Finding the index of an item in a list
Given a list ["foo", "bar", "baz"] and an item in the list "bar" , how do I get its index ( 1 ) in Python?
31 Answers
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Calling clojure from java
...;
import clojure.lang.Compiler;
import java.io.StringReader;
public class Foo {
public static void main(String[] args) throws Exception {
// Load the Clojure script -- as a side effect this initializes the runtime.
String str = "(ns user) (defn foo [a b] (str a \" \" b))";
//RT.loa...
Error “initializer element is not constant” when trying to initialize variable with const
I get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answ...
How does RewriteBase work in .htaccess
...ative paths in the rule's target. So say you have this rule:
RewriteRule ^foo$ bar.php [L]
The bar.php is a relative path, as opposed to:
RewriteRule ^foo$ /bar.php [L]
where the /bar.php is an absolute path. The absolute path will always be the "root" (in the directory structure above). That ...
Get name of current class?
...return super(MyType, cls).__new__(cls, name, bases, newattrs)
class MyBaseFoo(object):
__metaclass__ = InputAssigningMetaclass
class foo(MyBaseFoo):
# etc, no need to create 'input'
class foo2(MyBaseFoo):
# etc, no need to create 'input'
...
Use of *args and **kwargs [duplicate]
...e the use of *args and **kwargs is quite useful is for subclassing.
class Foo(object):
def __init__(self, value1, value2):
# do something with the values
print value1, value2
class MyFoo(Foo):
def __init__(self, *args, **kwargs):
# do something else, don't care abou...
How to include (source) R script in other scripts
...check for something unique in your util.R code.
For example:
if(!exists("foo", mode="function")) source("util.R")
(Edited to include mode="function", as Gavin Simpson pointed out)
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improv...
Relative imports in Python 2.7
...re it is in a package. When you use a relative import like from .. import foo, the dots indicate to step up some number of levels in the package hierarchy. For instance, if your current module's name is package.subpackage1.moduleX, then ..moduleA would mean package.moduleA. For a from .. import t...
sed in-place flag that works both on Mac (BSD) and Linux
...' way, the following DOES work on both GNU and BSD/Mac sed:
sed -i.bak 's/foo/bar/' filename
Note the lack of space and the dot.
Proof:
# GNU sed
% sed --version | head -1
GNU sed version 4.2.1
% echo 'foo' > file
% sed -i.bak 's/foo/bar/' ./file
% ls
file file.bak
% cat ./file
bar
# BSD s...