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Emacs: print key binding for a command or list all key bindings
...a command.
You are correct, C-h b (or M-x describe-bindings) will show you all bindings. C-h m (M-x describe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't b...
SQL Logic Operator Precedence: And and Or
...en if they are not needed. very few programers (if any) know precedence of all operators available.
– Trismegistos
Nov 6 '13 at 11:45
1
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Remove ALL white spaces from text
... other RegEx modifiers available in JavaScript here.
If you want to match all whitespace, and not just the literal space character, use \s instead:
.replace(/\s/g,'')
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Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...
Having the output of a console application in Visual Studio instead of the console
...t; Visual Studio Options Dialog -> Debugging -> Check the "Redirect All Output Window Text to the Immediate Window".
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When you exit a C application, is the malloc-ed memory automatically freed?
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It depends on the operating system. The majority of modern (and all major) operating systems will free memory not freed by the program when it ends.
Relying on this is bad practice and it is better to free it explicitly. The issue isn't just that your code looks bad. You may decide you w...
How to make all Objects in AWS S3 bucket public by default?
...23327",
"Action": [
"s3:GetObject"
],
"Effect": "Allow",
"Resource": "arn:aws:s3:::bucketnm/*",
"Principal": {
"AWS": [
"*"
]
}
}
]
}
Now go to your AWS S3 console, At the bucket level, click on Properties, Expand Permissi...
symbolic link: find all files that link to this file
Hallo all, I need to do this in linux:
3 Answers
3
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How to download HTTP directory with all files and sub-directories as they appear on the online files
...s an online HTTP directory that I have access to. I have tried to download all sub-directories and files via wget . But, the problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the files them...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
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