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Efficiently updating database using SQLAlchemy ORM
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184
SQLAlchemy's ORM is meant to be used together with the SQL layer, not hide it. But you do have...
How to get random value out of an array?
I have an array called $ran = array(1,2,3,4);
20 Answers
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How to tell which commit a tag points to in Git?
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19 Answers
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Guards vs. if-then-else vs. cases in Haskell
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122
From a technical standpoint, all three versions are equivalent.
That being said, my rule of t...
How to remove a field completely from a MongoDB document?
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type object 'datetime.datetime' has no attribute 'datetime'
...b/python2.6/lib-dynload/datetime.so'>
>>> datetime.datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
But, if you import datetime.datetime:
>>> from datetime import datetime
>>> datetime
<type 'datetime.datetime'>
>>> datetime.datetime(2001,5,1) # ...
Can I bind an array to an IN() condition?
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21 Answers
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Looping through a hash, or using an array in PowerShell
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108
Christian's answer works well and shows how you can loop through each hash table item using th...
Batch file to delete files older than N days
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1085
Enjoy:
forfiles -p "C:\what\ever" -s -m *.* -d <number of days> -c "cmd /c del @path"
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