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Best practice for Python assert
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assert should only be used to catch problems with no known recovery; almost always code bugs (not bad inputs). when an assert is triggered, it should mean that the program is in a state that may be dangerous to continue in, as it may start talking to the network or writing to d...
Create an index on a huge MySQL production table without table locking
...ating MySQL's Schema without downtime
Thusfar, there's only one method I know of to update a MySql schema and not suffer an availability outage. Circular masters:
Master A has your MySQL database running on it
Bring Master B into service and have it replicate writes from Master A ( B is a slave ...
How can I pretty-print JSON in a shell script?
... I'm seeing every time and/or b) NOT sort the json keys; please do let me know, I will be highly thankful.
– Clint Eastwood
Feb 25 '15 at 17:42
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
... Also worked for me on ASP.NET Core 1.0 RC1, although it is now in Debug tab and I had to toggle SSL Enable off and on again to generate a new port then copy that to Launch URL box. stackoverflow.com/a/35706891/134761
– angularsen
Feb 29 '16 at 1...
How can I filter a date of a DateTimeField in Django?
...n't work with datetimefields. The second alternative works ;). If someone knows another method please answer
– Xidobix
Aug 23 '09 at 4:14
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Git mergetool with Meld on Windows
...meld
[mergetool "meld"]
path = C:\\Program Files (x86)\\Meld\\Meld.exe
Now call git difftool in Git Bash for Windows and Meld will open up as your default difftool viewer.
Linux:
UPDATE 20 Sept. 2019:
- I might as well put the Linux version here too for my own reference in one place if nothi...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...ends
to add a cast to long generally.
Update: Since iOS 7 supports 64-bit now as well, you can get the same warning when compiling
for iOS.
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Notification click: activity already open
...es on top of it will be closed and
this Intent will be delivered to the (now on top) old activity as a
new Intent.
For example, consider a task consisting of the activities: A, B, C, D.
If D calls startActivity() with an Intent that resolves to the
component of activity B, then C and D...
Ignoring an already checked-in directory's contents?
...n several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories.
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How to automatically crop and center an image
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I've been told that nowdays Google knows about transparent and hidden images, so img's alt ant title attributes will be lost for your SEO.
– Victor Sergienko
Apr 10 '14 at 16:43
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