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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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My team just ran into trouble using UUID1 for a database upgrade script where we generated ~120k UUIDs within a couple of minutes. The UUID collision led to violation of a primary key constraint.
We've upgraded 100s of servers but on our Amazon EC2 instances we ran into this ...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
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-1. This is misleading - based on this answer I removed expand: true, figuring I didn't need it, and then my build stopped working.
– Claudiu
Nov 19 '15 at 18:56
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How to fix error with xml2-config not found when installing PHP from sources?
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I had the same issue when I used a DockerFile.
My Docker is based on the php:5.5-apache image.
I got that error when executing the command "RUN docker-php-ext-install soap"
I have solved it by adding the following command to my DockerFile
"RUN apt-get update && apt-get ins...
'git branch -av' showing remote branch that no longer exists
...my local i was seeing weird branches which had no connection with the code base repo .when i ran this command , it tuned my local origin branch and then i added upstream master .thanks
– Ankur Srivastava
Sep 14 '17 at 1:16
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Should you always favor xrange() over range()?
... object in Python2. I think what you meant to say is that you can do index-based comprehension (if that makes sense) better with range as opposed to xrange. Range is handy very seldom, I think
– dylnmc
Nov 12 '14 at 0:34
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...rt x from y" way of doing things)
function message = makefuns
assignin('base','fun1',@fun1);
assignin('base','fun2',@fun2);
message='Done importing functions to workspace';
end
function y=fun1(x)
y=x;
end
function z=fun2
z=1;
end
And then used thusly:
>> makefuns
ans =
Done imp...
How to step back in Eclipse debugger?
... The UI is rather clunky, and it can have a hard time handling large code bases, but for some cases it can really save a lot of time.
Update: Chronon provides a commercial product that it describes as a "DVR for Java", which appears to do a lot of the same things as the ODB.
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Displaying the Indian currency symbol on a website
...ot');
src: local('☺'), url(data:font/truetype;charset=utf-8;base64,AAEAAAANAIAAAwBQRkZUTVen5G0AAADcAAAAHEdERUYAQAAEAAAA+AAAACBPUy8yRQixzQAAARgAAABgY21hcGmyCE0AAAF4AAABamdhc3D//wADAAAC5AAAAAhnbHlmmuFTtAAAAuwAABAoaGVhZPOmAG0AABMUAAAANmhoZWELSAQOAAATTAAAACRobXR4KSwAAAAAE3AAAABMbG9jYUCgSL...
LINQ query to select top five
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This seems to take as many results from the database as match the equality conditions, and only after they are taken from the database does it apply the take(5) restriction within the application. Is there a way to literally take only the first 5 rows from the database?
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How to delete a row by reference in data.table?
... of the table would still be quite inefficient compared to a row store database such as SQL, which is more suited for fast insert and delete of rows wherever those rows are in the table. But still, it would be a lot faster than copying a new large object without the deleted rows.
On the other hand,...