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MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
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Compare DATETIME and DATE ignoring time portion
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253
Use the CAST to the new DATE data type in SQL Server 2008 to compare just the date portion:
IF ...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
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When applying a patch is there any way to resolve conflicts?
...> changes.patch
Now when you are ready to apply the patches:
git am -3 < changes.patch
the -3 will do a three-way merge if there are conflicts. At this point you can do a git mergetool if you want to go to a gui or just manually merge the files using vim (the standard <<<<<...
What is the fastest method for selecting descendant elements in jQuery?
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Reading a delimited string into an array in Bash
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339
In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<...
Equal sized table cells to fill the entire width of the containing table
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...in other languages. This means that the following code always prints 1, 2, 3, 4, 5 regardless of the value of B.
A = 1:5;
for i = A
A = B;
disp(i);
end
If you want to be able to respond to changes in the data structure during iterations, a WHILE loop may be more appropriate --- you'll be...
Creating a new column based on if-elif-else condition
...df['C'] = df.apply(f, axis=1)
In [2]: df
Out[2]:
A B C
a 2 2 0
b 3 1 1
c 1 3 -1
Of course, this is not vectorized so performance may not be as good when scaled to a large number of records. Still, I think it is much more readable. Especially coming from a SAS background.
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