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how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("1.mp4") gives me false! Why is that?
– Jay Patel
Jan 15 '19 at 6:23
1
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Format file size as MB, GB, etc [duplicate]
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A small comment: "kilo" is expressed with a lowercase 'k' and not an uppercase 'K'.
– Willem Van Onsem
Oct 30 '14 at 0:45
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How to empty (clear) the logcat buffer in Android [duplicate]
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adb logcat -c
Logcat options are documented here: http://developer.android.com/tools/help/logcat.html
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Getting only 1 decimal place [duplicate]
... and 3rd solution gives different results? I think they both are exactly same @relet
– Devesh Saini
Feb 11 '17 at 12:43
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R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...exe is a historical left-over as back in the day, you could not do R CMD something on Windows but needed the special executable Rcmd.exe something. That is no longer the case, yet it is provided for backwards compatibility.
Rterm.exe is also a holdover from the days when Rcmd.exe was used. Can be i...
“Collection was mutated while being enumerated” on executeFetchRequest
...om/2010/03/11/using-core-data-on-multiple-threads/
The problem seems to come from the fact that I instantiate my background moc on the main thread instead of the background thread. When Apple tells that each thread needs to have its own moc, you have to take it seriously : each moc must be instanti...
How do I clear the content of a div using JavaScript? [closed]
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Just Javascript (as requested)
Add this function somewhere on your page (preferably in the <head>)
function clearBox(elementID)
{
document.getElementById(elementID).innerHTML = "";
}
Then add the button on click event:
<button onclick="clearBox('cart_item')" ...
How do I remove a key from a JavaScript object? [duplicate]
...o remove a property from an object.
The following examples all do the same thing.
// Example 1
var key = "Cow";
delete thisIsObject[key];
// Example 2
delete thisIsObject["Cow"];
// Example 3
delete thisIsObject.Cow;
If you're interested, read Understanding Delete for an in-depth explanatio...
Stop on first error [duplicate]
...#id2382181:
This tells bash that it should exit the script if any statement returns a non-true return value. The benefit of using -e is that it prevents errors snowballing into serious issues when they could have been caught earlier. Again, for readability you may want to use set -o errexit.
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Ruby array to string conversion
...,'231'].join(', ')
EDIT:
"'#{['12','34','35','231'].join("', '")}'"
Some string interpolation to add the first and last single quote :P
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