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Why is “throws Exception” necessary when calling a function?
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In Java, as you may know, exceptions can be categorized into two: One that needs the throws clause or must be handled if you don't specify one and another one that doesn't. Now, see the following figure:
In Java, you can throw anything that extends the Throwable class. However, you don't...
Text editor to open big (giant, huge, large) text files [closed]
...or tail." It's really a log file analyzer, not a large file viewer, and in one test it required 10 seconds and 700 MB of RAM to load a 250 MB file. But its killer features are the columnizer (parse logs that are in CSV, JSONL, etc. and display in a spreadsheet format) and the highlighter (show lines...
What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
...general_ci is a very simple — and on Unicode, very broken — collation, one that gives incorrect results on general Unicode text. What it does is:
converts to Unicode normalization form D for canonical decomposition
removes any combining characters
converts to upper case
This does not wo...
event.preventDefault() vs. return false
...er event handlers from executing after a certain event is fired, I can use one of two techniques. I'll use jQuery in the examples, but this applies to plain-JS as well:
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Regular expression to match standard 10 digit phone number
I want to write a regular expression for a standard US type phone number that supports the following formats:
20 Answers
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How do I find the next commit in git? (child/children of ref)
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To list all the commits, starting from the current one, and then its child, and so on - basically standard git log, but going the other way in time, use something like
git log --reverse --ancestry-path 894e8b4e93d8f3^..master
where 894e8b4e93d8f3 is the first commit you wa...
What's the difference between a Python “property” and “attribute”?
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@martineau: Well, there's one extra function call, but most likely the extra work and time will depend on how much the property is doing (general advice: do /not/ use properties to hide I/O).
– Ethan Furman
Jun ...
How can I stage and commit all files, including newly added files, using a single command?
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one could put that in it's own .sh or .bat file and just use it as one command. The message might be param1
– BlueWizard
Sep 29 '16 at 6:06
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How to convert a normal Git repository to a bare one?
How can I convert a 'normal' Git repository to a bare one?
17 Answers
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Difference between \n and \r?
...ts the leftmost stop (a slow operation), \n commands the roller to roll up one line (a much faster operation) -- that's the reason you always have \r before \n, so that the roller can move while the carriage is still going leftwards!-) Wikipedia has a more detailed explanation.
for character-mode te...