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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
This is a question that came to mind while reading the brilliant answer by Mysticial to the question: why is it faster to process a sorted array than an unsorted array ?
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How to downgrade from Internet Explorer 11 to Internet Explorer 10?
As a developer, I found the new Internet Explorer version to be a complete nightmare. I turned the windows feature off, but I wasn't able to install Internet Explorer 10 . It says that it's already installed which it is not. Is there a file or a registry entry I should delete as well?
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Why does ContentResolver.requestSync not trigger a sync?
I am trying to implement the Content-Provider-Sync Adapter pattern as discussed at Google IO - slide 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from ...
What REALLY happens when you don't free after malloc?
...I can think of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing might cause the program to take up more storage. (I'm only speculating here.)
So generally, there's no harm in it, except the runtime cost of having m...
How to make a div with no content have a width?
I am trying to add a width to a div , but I seem to be running into a problem because it has no content.
11 Answers
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Add leading zeroes/0's to existing Excel values to certain length
There are many, many questions and quality answers on SO regarding how to prevent leading zeroes from getting stripped when importing to or exporting from Excel. However, I already have a spreadsheet that has values in it that were truncated as numbers when, in fact, they should have been handled a...
How to write a:hover in inline CSS?
I have a case where I must write inline CSS code, and I want to apply a hover style on an anchor.
23 Answers
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How to Store Historical Data
Some co-workers and I got into a debate on the best way to store historical data. Currently, for some systems, I use a separate table to store historical data, and I keep an original table for the current, active record. So, let's say I have table FOO. Under my system, all active records will go ...
How do you dismiss the keyboard when editing a UITextField
I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard, but I'm not sure how to know when the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
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Most pythonic way to delete a file which may not exist
I want to delete the file filename if it exists. Is it proper to say
13 Answers
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