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Getting ssh to execute a command in the background on target machine
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I know this is a very old answer of yours, but could you add some comments on why the parentheses way is the best way, what (if any) difference adding nohup makes, and why and when you would use nice? I think that would add a lo...
How to set working/current directory in Vim?
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@falstro, do you know how :cd command can apply to all windows within the same vim running instances? Ex: when using split :sp
– mgouin
Jan 19 '17 at 21:29
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How do I update pip itself from inside my virtual environment?
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This is now what pip itself recommends, if it detects a newer version of itself.
– tephyr
May 29 '16 at 21:51
1
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How do I reword the very first git commit message?
...d the code to make sure the mistake with copied commit id does not happen. Now the code is even copy-pastable. A word of warning, though: it does not work correctly if there are more than one initial commit (i.e. when you merged two or more unrelated branches)
– fork0
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Can I disable a CSS :hover effect via JavaScript?
...s */
}
.myclass_hover:hover {
/* example color */
color:#00A;
}
Now you can use Jquery to remove the class, for instance if the element has been clicked:
JQUERY
$('.myclass').click( function(e) {
e.preventDefault();
$(this).removeClass('myclass_hover');
});
Hope this answer...
bash assign default value
...stead of the longer LONG_VARIABLE_NAME=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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Inject errors into already validated form?
...collision I'd like to send the form back with an error on it, but I won't know until I actually try to do the database insert. (In theory the validator could check the database, but that smells and is race-prone.)
– Weeble
May 19 '10 at 15:53
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How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
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Read whole ASCII file into C++ std::string [duplicate]
...where you're getting the t.open("file.txt", "r") syntax from. As far as I know that's not a method that std::ifstream has. It looks like you've confused it with C's fopen.
Edit: Also note the extra parentheses around the first argument to the string constructor. These are essential. They prevent th...
What is the difference between the mouseover and mouseenter events?
... event name will trigger the same behavior. Edit: thanks to other posts, I now see this is not the case
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