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Java; String replace (using regular expressions)?
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Couple problems: \^ needs to be \\^ and $ needs to be \$.
– cdmckay
Mar 10 '09 at 21:00
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What does PHP keyword 'var' do?
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It's for declaring class member variables in PHP4, and is no longer needed. It will work in PHP5, but will raise an E_STRICT warning in PHP from version 5.0.0 up to version 5.1.2, as of when it was deprecated. Since PHP 5.3, var has been un-deprecated and is a synonym for 'pu...
Defining a variable with or without export
...l process. If you want a process to make use of this variable, use export, and run the process from that shell.
name=value
means the variable scope is restricted to the shell, and is not available to any other process. You would use this for (say) loop variables, temporary variables etc.
It's im...
SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
...SL_CERT_FILE=/usr/local/etc/openssl/certs/cert.pem
– andersjanmyr
Dec 20 '12 at 12:04
5
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Inserting a PDF file in LaTeX
...ude, i.e. \includepdf[pages={1,3,5}]{myfile.pdf} would include pages 1, 3, and 5 of the file. To include the entire file, you specify pages={-}, where {-} is a range without the endpoints specified which default to the first and last pages, respectively.
– rcollyer
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Lua string to int
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Nope, it'll convert "10" to integer and then add 0 to it. (The lack of clarity is all the more reason to use tonumber instead, though!)
– Rena
Jun 28 '15 at 6:32
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Scoping in Python 'for' loops
I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended):
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What is the 'new' keyword in JavaScript?
... the hidden [[prototype]] property, also have a property called prototype, and it is this that you can access, and modify, to provide inherited properties and methods for the objects you make.
Here is an example:
ObjMaker = function() {this.a = 'first';};
// ObjMaker is just a function, there's ...
How to initialize static variables
...nit()
{
self::$bar = array(…);
}
}
Foo::init();
PHP 5.6 can handle some expressions now.
/* For Abstract classes */
abstract class Foo{
private static function bar(){
static $bar = null;
if ($bar == null)
bar = array(...);
return $bar;
}
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Problems with DeploymentItem attribute
...taining an "old" system written in C#.net, removing some obsolete features and doing some refactoring. Thanks god, the previous guy wrote some unit tests (MSTests). I quite comfortable with JUnit tests, but didn't do yet much with MSTests.
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