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Python (and Python C API): __new__ versus __init__
... me exactly what the practical difference between __new__ and __init__ is.
5 Answers
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What does enumerable mean?
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An enumerable property is one that can be included in and visited during for..in loops (or a similar iteration of properties, like Object.keys()).
If a property isn't identified as enumerable, the loop will ignore that it's within the object.
var...
How do I convert a string to a number in PHP?
..., '0.234343' , etc. to a number. In JavaScript we can use Number() , but is there any similar method available in PHP?
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How can I lookup a Java enum from its String value?
...alue). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
12 Answers
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How to determine whether a substring is in a different string
... me out"
>>> string = "please help me out so that I could solve this"
>>> substring in string
True
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How to check whether dynamically attached event listener exists or not?
Here is my problem: is it possible somehow to check for existence of dynamically attached event listener? Or how can I check the status of the "onclick" (?) property in DOM? I have searched internet just like Stack Overflow for a solution, but no luck. Here is my html:
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Delete keychain items when an app is uninstalled
... app. For example:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//Clear keychain on first run in case of reinstallation
if (![[NSUserDefaults standardUserDefaults] objectForKey:@"FirstRun"]) {
// Delete values from ke...
How to call shell commands from Ruby
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This explanation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, no...
how to POST/Submit an Input Checkbox that is disabled?
I have a checkbox that, given certain conditions, needs to be disabled. Turns out HTTP doesn't post disabled inputs.
18 Ans...
Determine function name from within that function (without using traceback)
In Python, without using the traceback module, is there a way to determine a function's name from within that function?
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