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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...hort, yes, the order is preserved. In long:
In general the following definitions will always apply to objects like lists:
A list is a collection of elements that can contain duplicate elements and has a defined order that generally does not change unless explicitly made to do so. stacks and queues...
Easy way to test a URL for 404 in PHP?
...you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = curl_exec($handle);
/* Check for 404 (file not found). */
$httpCode = curl_getinfo($handle, CURLIN...
Java client certificates over HTTPS/SSL
... /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/lib/security/cacerts (OSX 10.5).
The name of the keystore file seems to suggest that the client certificate is not supposed to go in there?
...
Copy values from one column to another in the same table
...ion is:
UPDATE `table` SET test=number
Here table is the table name and it's surrounded by grave accent (aka back-ticks `) as this is MySQL convention to escape keywords (and TABLE is a keyword in that case).
BEWARE, that this is pretty dangerous query which will wipe everything in column test i...
How to enable external request in IIS Express?
...
There's a blog post up on the IIS team site now explaining how to enable remote connections on IIS Express. Here is the pertinent part of that post summarized:
On Vista and Win7, run the following command from an administrative prompt:
netsh http add urlacl url=ht...
Trust Anchor not found for Android SSL Connection
I am trying to connect to an IIS6 box running a godaddy 256bit SSL cert, and I am getting the error :
17 Answers
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AngularJS sorting by property
... sort some data by property. Here is example that I tought should work but it doesn't.
10 Answers
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What is WCF RIA services?
I hate MSDN's site for WCF RIA services. It does not say what it is, it only says what it does. It says what it can achieve but does not say why I need it.
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...er here:
http://www.adam-bien.com/roller/abien/entry/java_se_development_kit_7
You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app".
Set JAVA_HOME in ~/.profile
...
What is the difference between float and double?
...le has 2x the precision of float[1]. In general a double has 15 decimal digits of precision, while float has 7.
Here's how the number of digits are calculated:
double has 52 mantissa bits + 1 hidden bit: log(253)÷log(10) = 15.95 digits
float has 23 mantissa bits + 1 hidden bit: log(224)÷log(10) =...