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Difference between GIT and CVS
What is the difference between Git and CVS version control systems?
5 Answers
5
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In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
...
Images can't contain alpha channels or transparencies
...jpg OR update your png (photoshop or whatever you using to create the png) and delete the transparency areas. if you work with shadows, use jpg, that will do no headaches.
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How to sort strings in JavaScript
...oid exceptions. localeCompare has been supported since Internet Explorer 6 and Firefox 1. You may also see the following code used that doesn't respect a locale:
if (item1.attr < item2.attr)
return -1;
if ( item1.attr > item2.attr)
return 1;
return 0;
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MySQL Error 1215: Cannot add foreign key constraint
...
I'm guessing that Clients.Case_Number and/or Staff.Emp_ID are not exactly the same data type as Clients_has_Staff.Clients_Case_Number and Clients_has_Staff.Staff_Emp_ID.
Perhaps the columns in the parent tables are INT UNSIGNED?
They need to be exactly the same...
Bash ignoring error for a particular command
...shell to think that the entire pipe has non-zero exit code
when one of commands in the pipe has non-zero exit code (with pipefail off it must the last one).
$ set -o pipefail
$ false | true ; echo $?
1
$ set +o pipefail
$ false | true ; echo $?
0
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How to easily initialize a list of Tuples?
...
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
And if you don't like "Item1" and "Item2", you can do:
var tupleList = new List<(int Index, string Name)>
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
or for an array:
var tupleList = ...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
...igure (from the official doc ) describes the well-known lifecycle of an Android activity:
5 Answers
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Rebase a single Git commit
... to master.
git checkout master
git cherry-pick <commit ID of XX>
And remove the last commit from the feature branch with git reset.
git checkout Feature-branch
git reset --hard HEAD^
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Convert int to ASCII and back in Python
I'm working on making a URL shortener for my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z , node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When...