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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
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The best thing you can do is leave out the action attribute altogether. If you leave it out, the form will be submitted to the document's address, i.e. the same page.
It is also possible to leave it empty, and any browser implementing HTML's form s...
Get to UIViewController from UIView?
...ace in a way with the view controller, the recommended way, and what Apple does across Cocoa is to use the delegate pattern.
An example of how to implement it follows:
@protocol MyViewDelegate < NSObject >
- (void)viewActionHappened;
@end
@interface MyView : UIView
@property (nonatomic,...
T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
...n to change the structure of your query, just the data involved. You could do this:
update table set
columnx = (case when condition then 25 else columnx end),
columny = (case when condition then columny else 25 end)
This is semantically the same, but just bear in mind that both columns wi...
How to position text over an image in css
How do I center a text over an image in css?
7 Answers
7
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Grep and Sed Equivalent for XML Command Line Processing
When doing shell scripting, typically data will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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Bold & Non-Bold Text In A Single UILabel?
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Update
In Swift we don't have to deal with iOS5 old stuff besides syntax is shorter so everything becomes really simple:
Swift 5
func attributedString(from string: String, nonBoldRange: NSRange?) -> NSAttributedString {
let fontSize =...
django syncdb and an updated model
... have recently updated my model, added a BooleanField to it however when I do python manage.py syncdb , it doesn't add the new field to the database for the model. How can I fix this ?
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How to link C++ program with Boost using CMake
...ong with other find-scripts for common libraries. You could just check the documentation in that file for more information about how it works.
An example out of my head:
FIND_PACKAGE( Boost 1.40 COMPONENTS program_options REQUIRED )
INCLUDE_DIRECTORIES( ${Boost_INCLUDE_DIR} )
ADD_EXECUTABLE( anyE...
Can Powershell Run Commands in Parallel?
I have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a...
Angular js init ng-model from default values
Say you have a form that has values loaded from database. How do you initialize ng-model?
14 Answers
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