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How do I add custom field to Python log format string?
... LoggerAdapter so you don't have to pass the extra info with every logging call:
import logging
extra = {'app_name':'Super App'}
logger = logging.getLogger(__name__)
syslog = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s')
syslog.setFormatter(formatt...
Check if EditText is empty. [closed]
...t that you had five. You could make a function that did the same thing and call it five times - or you could loop over the five EditText's.
– cvaldemar
Jun 9 '11 at 9:24
44
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jQuery: How to capture the TAB keypress within a Textbox
I want to capture the TAB keypress, cancel the default action and call my own javascript function.
9 Answers
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What's the best way to send a signal to all members of a process group?
...grep -o [0-9]*) is the best simple trick to kill a whole process tree when called from a different Group ID (another process tree).
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ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...error you're adding has the key 'error' so it will not display in when you call ValidationSummary(true). You need to add your custom error message with an empty key like this:
ModelState.AddModelError(string.Empty, ex.Message);
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
...) is async, meaning the clearing up does not occur at the exact moment you call the method.
– Genc
Sep 5 '16 at 10:15
6
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Create Django model or update if exists
...o update the user object.
Sample use is as follows:
# In both cases, the call will get a person object with matching
# identifier or create one if none exists; if a person is created,
# it will be created with name equal to the value in `name`.
# In this case, if the Person already exists, its ex...
print memory address of Python variable [duplicate]
...s the actual memory address of the variable. If you want it in hex format, call hex() on it.
x = 5
print hex(id(x))
this will print the memory address of x.
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jQuery: serialize() form and other parameters
...n (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent.
– Rory McCrossan
Oct 15 '16 at 12:12
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How to append rows to an R data frame
...1() (the approach below) is incredibly inefficient because of how often it calls data.frame and because growing objects that way is generally slow in R. f3() is much improved due to preallocation, but the data.frame structure itself might be part of the bottleneck here. f4() tries to bypass that bot...