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HTML: How to limit file upload to be only images?
...le").value="; //clear the uploaded file
}
}
</script>
Now in the html part
<input type="file" onchange="chng()">
this code will check if the uploaded file is a jpg file or not and restricts the upload of other types
...
Set Colorbar Range in matplotlib
...n will scale the colours so that what used to represent the value 1.0 will now represent the max value in my data. The colorbar will show 0..1 as I need it (with vmin=0, vmax=1), but everything above this max value will be the same colour...
– Paul
Jul 30 '10 a...
Escape quote in web.config connection string
...R. Gingter - people here cannot guess at what you have tried and what you know. You need to include such details in your question (as you now have).
– Oded
Jul 5 '10 at 8:10
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How to change the docker image installation directory?
...
I comment here to let people know which version could use this, after github.com/docker/docker.github.io/pull/5978 release, It change officail website.
– zhongjiajie
Mar 27 '19 at 1:17
...
Timeout a command in bash without unnecessary delay
...
Right, I see that now. And it meets my exact requirements if you set the poll interval == timeout. Also works in pipelines, works with the whole thing backgrounded, works with multiple instances and other jobs running. Sweet, thanks!
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Using boolean values in C
...PT_OFF false
void foo(bool option) { ... }
In either case, the call site now looks like
foo(OPT_ON);
foo(OPT_OFF);
which the reader has at least a chance of understanding without dredging up the definition of foo.
share...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...rint()able, so you're being shown the repr of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you a...
Counting Chars in EditText Changed Listener
...xtChanged, this is called after the change has already been made. However, now the text may be modified.
editable: This is the editable text of the EditText. If you change it, though, you have to be careful not to get into an infinite loop. See the documentation for more details.
Supplemental im...
What can I do with a moved-from object?
...
We're discussing moved-from objects. Not objects known to be in an empty state. Moved-from objects have an unspecified state (unless of course otherwise specified). [lib.types.movedfrom]
– Howard Hinnant
Aug 11 '11 at 15:11
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Selecting with complex criteria from pandas.DataFrame
...)
A B C
1 7 80 700
2 4 90 100
4 7 80 200
5 7 60 800
Now if you want to change the returned values in column A you can save their index:
my_query_index = df.query('B > 50 & C != 900').index
....and use .iloc to change them i.e:
df.iloc[my_query_index, 0] = 5000
prin...