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Practical uses of git reset --soft?

... git reset is all about moving HEAD, and generally the branch ref. Question: what about the working tree and index? When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD. This differ from commit --amend as: it doesn't cre...
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Why C# implements methods as non-virtual by default?

...rtual by default means that every function in the class can be plugged out and replaced by another, which is not really a good thing. Many people even believe that classes should have been sealed by default. virtual methods can also have a slight performance implication. This is not likely to be th...
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How can I pad a value with leading zeros?

...o readers! As commenters have pointed out, this solution is "clever", and as clever solutions often are, it's memory intensive and relatively slow. If performance is a concern for you, don't use this solution! Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and...
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How do I resolve ClassNotFoundException?

... 1 '13 at 16:02 Thorbjørn Ravn AndersenThorbjørn Ravn Andersen 66.9k2828 gold badges163163 silver badges309309 bronze badges ...
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List files by last edited date

... You can use: ls -Rt where -R means recursive (include subdirectories) and -t means "sort by last modification date". To see a list of files sorted by date modified, use: ls -l -Rt An alias can also be created to achieve this: alias lt='ls -lht' lt Where -h gives a more readable output....
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contenteditable change events

...ts fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, copy and paste from the Edit or context browser menus, so you may w...
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How to attach debugger to iOS app after launch?

I have an issue I am troubleshooting which occurs very infrequently and doesn't seem to happen when I have things running under Xcode. ...
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How to get scrollbar position with Javascript?

...iew is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating it, or does JavaScript offer an easier solution than that? Any ideas code-wise? ...
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NSOperation vs Grand Central Dispatch

...programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa? ...
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How to delete an item in a list if it exists?

...tting new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with 7...