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jQuery how to bind onclick event to dynamically added HTML element [duplicate]
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The first problem is that when you call append on a jQuery set with more than one element, a clone of the element to append is created for each and thus the attached event observer is lost.
An alternative way to do it would be to create the l...
How to select rows with no matching entry in another table?
I'm doing some maintenance work on a database application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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if/else in a list comprehension
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You can totally do that. It's just an ordering issue:
[unicode(x.strip()) if x is not None else '' for x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
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Check if application is on its first run [duplicate]
...pplication's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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Differences between strong and weak in Objective-C
I'm new to Obj-C, so my first question is:
9 Answers
9
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In Perl, how can I read an entire file into a string?
I'm trying to open an .html file as one big long string. This is what I've got:
16 Answers
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Two-way encryption: I need to store passwords that can be retrieved
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Personally, I would use mcrypt like others posted. But there is much more to note...
How do I encrypt and decrypt a password in PHP?
See below for a strong class that takes care of everything for you:
What is the safest algorithm to encrypt the passwords with?
safest? any of them....
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...常见的陷阱！
Out of memory errors
An example of misusing large images
Use images that are “Just the right size”
Picking “just the right size”
Determining the size of the image on the screen
Details on fixed vs. responsive sizi...
How to test if list element exists?
I would like to test if an element of a list exists, here is an example
7 Answers
7
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Creating default object from empty value in PHP?
I see this error only after upgrading my PHP environment to PHP 5.4 and beyond. The error points to this line of code:
16 A...