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Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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Calculate difference between two datetimes in MySQL
...en users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ).
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Delete directory with files in it?
...ons available nowadays.
Before deleting the folder, delete all its files and folders (and this means recursion!). Here is an example:
public static function deleteDir($dirPath) {
if (! is_dir($dirPath)) {
throw new InvalidArgumentException("$dirPath must be a directory");
}
if...
Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery
...tion onMouseOut(event) {
//this is the original element the event handler was assigned to
var e = event.toElement || event.relatedTarget;
if (e.parentNode == this || e == this) {
return;
}
alert('MouseOut');
// handle mouse event here!
}
document...
How to disable “Save workspace image?” prompt in R?
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You can pass the --no-save command line argument when you start R, or you can override the q function:
utils::assignInNamespace(
"q",
function(save = "no", status = 0, runLast = TRUE)
{
.Internal(quit(save, status, runLast))
},
"base"
)
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Reloading module giving NameError: name 'reload' is not defined
...ave already imported in Python 3. I know that you only need to import once and executing the import command again won't do anything.
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Override and reset CSS style: auto or none don't work
...erty should be ignored. In that case, inline-table will still take effect, and as width do not apply to inline elements, that set of properties will not do anything.
The second set of properties will simply hide the table, as that's what display: none is for.
Try resetting it to table instead:
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Better way to sum a property value in an array
...tober 2015? If there's a problem with the answer then please add a comment and I'll correct it. Nobody learns from anonymous downvotes.
– Gruff Bunny
Oct 6 '15 at 14:02
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str.startswith with a list of strings to test for
I'm trying to avoid using so many if statements and comparisons and simply use a list, but not sure how to use it with str.startswith :
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Overriding class constants vs properties
I would like to better understand why, in the scenario below, there is a difference in the way class constants are inherited vs. instance variables.
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