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How to overcome “datetime.datetime not JSON serializable”?
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Updated for 2018
The original answer accommodated the way MongoDB "date" fields were represented as:
{"$date": 1506816000000}
If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a qui...
Creating an empty list in Python
...ow you can test which piece of code is faster:
% python -mtimeit "l=[]"
10000000 loops, best of 3: 0.0711 usec per loop
% python -mtimeit "l=list()"
1000000 loops, best of 3: 0.297 usec per loop
However, in practice, this initialization is most likely an extremely small part of your program, s...
StringFormat Localization issues in wpf
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10 Answers
10
Active
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Freeze screen in chrome debugger / DevTools panel for popover inspection?
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edited Sep 14 '19 at 14:03
answered Jul 29 '13 at 19:08
A...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
...Value(deferred.promise) (or and.returnValue(deferred.promise) in Jasmine 2.0+). You need to define deferred before you call spyOn, of course.
– Jordan Running
Nov 7 '14 at 18:51
1
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How to see indexes for a database or table in MySQL?
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805
To see the index for a specific table use SHOW INDEX:
SHOW INDEX FROM yourtable;
To see inde...
Python multiprocessing PicklingError: Can't pickle
...strap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 505, in run
self.__target(*self.__args, **self.__kwargs)
File "/usr/lib/python2.7/multiprocessing/pool.py", line 315, in _handle_tasks
put(task)
PicklingError: Can't pickle <type 'function'>: attribute lookup _...
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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Laravel migration: unique key is too long, even if specified
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Specify a smaller length for your e-mail:
$table->string('email', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:
As outlined in t...
Clear Application's Data Programmatically
... activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).processName;
for (ActivityManager.RunningAppProcessInfo proc : am.getRunningAppProcesses()) {
if (proc.processName.startsWith(myProcessPrefix) && !proc.processName.equals(myProcessName)) {
a...