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What are the Dangers of Method Swizzling in Objective-C?
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Apple is not the only provider of base classes that can be modified via siwzzling. Your answer ought to be edited to include everyone.
– A.R.
Mar 17 '11 at 13:56
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Setting up a deployment / build / CI cycle for PHP projects
...m a lone developer most of my time, working on a number of big, mainly PHP-based projects. I want to professionalize and automate how changes to the code base are handled, and create a Continuous Integration process that makes the transition to work in a team possible without having to make fundamen...
How can I make an svg scale with its parent container?
...ontaining block), but instead 100% of the viewport that has been specified based on the intrinsic aspect ratio (which is computed from the viewBox when that is given). I haven't yet found a solution for that problem that works in Chrome/Safari.
– Brian Campbell
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Why is using onClick() in HTML a bad practice?
... as a huge issue when working on a project or debugging someone elses code base. In general, while I agree with you, I don't see discoverability to be a good reason to write in-line script, sacraficing benefits such as code testability and the ability to separate out your function/behaviour code awa...
What is difference between Errors and Exceptions? [duplicate]
... it. like try something else or write to the log.
try{
//connect to database 1
}
catch(DatabaseConnctionException err){
//connect to database 2
//write the err to log
}
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How to include (source) R script in other scripts
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Here is a function I wrote. It wraps the base::source function to store a list of sourced files in a global environment list named sourced. It will only re-source a file if you provide a .force=TRUE argument to the call to source. Its argument signature is otherwise...
How does Zalgo text work?
...th given height. Combining marks may be rendered above, below, or inside a base character
So you can easily construct a character sequence, consisting of a base character and “combining above” marks, of any length, to reach any desired visual height, assuming that the rendering software conform...
Why is the order in dictionaries and sets arbitrary?
...ash values are assigned to slots in a dynamic table (it can grow or shrink based on needs). And that mapping process can lead to collisions, meaning that a key will have to be slotted in a next slot based on what is already there.
Listing the contents loops over the slots, and so keys are listed in...
Short form for Java if statement
... a;
}
else {
max = b;
}
Setting a single variable to one of two states based on a single condition is such a common use of if-else that a shortcut has been devised for it, the conditional operator, ?:. Using the conditional operator you can rewrite the above example in a single line like this:
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Expand/collapse section in UITableView in iOS
...sing the UITableView or the headers that are already there will be a pain. Based on the way they work now, I am not sure you can easily get actions out of them. You could set up a cell to LOOK like a header, and setup the tableView:didSelectRowAtIndexPath to manually expand or collapse the section i...