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What events does an fire when it's value is changed?
...the field as a text box need the onkeyup binding, which works perfectly to read the new value.
Binding the mousewheel event separately was less successful. The event fired too early - before the field value was updated - and therefore always gave the field's previous value
...
Python: Continuing to next iteration in outer loop
...to me that the behavior of for-else is more complicated, more difficult to read, and probably more abused (if not an outright mistake) than named loops would be. I think I would have used a different keyword than else - perhaps something like resume would have been good? You break in the loop and th...
Why is the use of alloca() not considered good practice?
...deed, but it shows also how easy it is missed, as I hadn't seen it despite reading all responses before posting.
– Patrick Schlüter
Aug 2 '10 at 9:50
7
...
from list of integers, get number closest to a given value
...s, like {1: "a", 2: "b"}. This method takes O(n) time.
If the list is already sorted, or you could pay the price of sorting the array once only, use the bisection method illustrated in @Lauritz's answer which only takes O(log n) time (note however checking if a list is already sorted is O(n) and ...
Set encoding and fileencoding to utf-8 in Vim
...s considered when starting to edit
an existing file. When a file is read, Vim tries to use the first
mentioned character encoding. If an error is detected, the next one
in the list is tried. When an encoding is found that works,
'fileencoding' is set to it. If all fail, '...
Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
...
I had the same issue and deleting the store and reading didn't work. I had to do the following.
Get a copy of OpenSSL. It is available for Windows. Or use a Linux box as they all pretty much all have it.
Run the following to export to a key file:
openssl pkcs12 -in cert...
Android Layout with ListView and Buttons
...t rules - otherwise, the layout is not aware of the Buttons yet because it reads them in order, which is why your ListView extends past them.
– Tim H
Mar 6 '10 at 1:54
...
ssl_error_rx_record_too_long and Apache SSL [closed]
... : It may seems stupid, but also make sure your "[website_domain].conf" is read by Apache. (write garbage in if and make sure apache complains on start). I had this error just because I forgot the .conf at the end of the symlink. Therefore Apache did not use the conf and it was sending plain HTML (e...
pandas three-way joining multiple dataframes on columns
...ething like this:
filenames = ['fn1', 'fn2', 'fn3', 'fn4',....]
dfs = [pd.read_csv(filename, index_col=index_col) for filename in filenames)]
dfs[0].join(dfs[1:])
With @zero's data, you could do this:
df1 = pd.DataFrame(np.array([
['a', 5, 9],
['b', 4, 61],
['c', 24, 9]]),
column...
How using try catch for exception handling is best practice
...y is :
To catch all unhandled exceptions by hooking to the Application.ThreadException event, then decide :
For a UI application: to pop it to the user with an apology message (winforms)
For a Service or a Console application: log it to a file (service or console)
Then I always enclose every ...