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Using Chrome, how to find to which events are bound to an element
..., right click over function and select 'Show function definition'
You will now see the Event binding code
Click on the 'Pretty print' button for a more readable view of the code
share
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improve thi...
PHP foreach change original array values
...ference (&) is ... controversial. I recommend not using it unless you know why you need it and test the results.
I would recommend doing the following:
foreach ($fields as $key => $field) {
if ($field['required'] && strlen($_POST[$field['name']]) <= 0) {
$fields[$key]...
How can I improve my paw detection?
...he paw detection algorithm is fairly fast...)
Here's a full example (now with much more detailed explanations). The vast majority of this is reading the input and making an animation. The actual paw detection is only 5 lines of code.
import numpy as np
import scipy as sp
import scipy.ndimage...
Program only crashes as release build — how to debug?
...
"Now knowing where to look" but how does everything working in debug tell you where the problem is. Although I think your answer is correct in most instances, and knowing what to look for is a good start, trolling through a la...
How to unzip a file using the command line? [closed]
....vbs
'
' UnZip a file script
'
' By Justin Godden 2010
'
' It's a mess, I know!!!
'
' Dim ArgObj, var1, var2
Set ArgObj = WScript.Arguments
If (Wscript.Arguments.Count > 0) Then
var1 = ArgObj(0)
Else
var1 = ""
End if
If var1 = "" then
strFileZIP = "example.zip"
Else
strFileZIP = var1
End i...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...Active)
}
The big change here is that instead of calling a #selector, we now call the var created above. This can eliminate situations where you get invalid selector crashes.
Finally, we remove the observer.
func removeObserver() {
NotificationCenter.default.removeObserver(self, name: .UIApp...
Using pg_dump to only get insert statements from one table within database
...ions were removed from PostgreSQL 8.4 (see 8.4.0 release notes). You must now use the "long" names: pg_dump --column-inserts --data-only --table=<table> <database>
– Matthew Wood
May 18 '10 at 14:49
...
Hidden Features of VB.NET?
...
The Exception When clause is largely unknown.
Consider this:
Public Sub Login(host as string, user as String, password as string, _
Optional bRetry as Boolean = False)
Try
ssh.Connect(host, user, password)
Catch ex as TimeoutExcepti...
Is there a builtin identity function in python?
... added advantages/drawbacks of the two in order not to mislead anyone. And now, I really believe there should have been a builtin function that accepts any number of parameters and is a true identity :)
– rds
Jan 5 '12 at 19:14
...
Determine if Python is running inside virtualenv
...d or supported by most Python 3 frameworks and applications, this function now reduces to a trivial one-liner: def is_venv(): return hasattr(sys, 'real_prefix') or sys.base_prefix != sys.prefix. Just sayin'.
– Cecil Curry
Nov 13 '19 at 6:36
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