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What's the purpose of SQL keyword “AS”?
...e much to separate the choices, consult a book on heuristics. As far as I know, the only heuristics book for SQL is 'Joe Celko's SQL Programming Style':
A correlation name is more often
called an alias, but I will be formal.
In SQL-92, they can have an optional
AS operator, and it should b...
How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...ou'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. pyiso8601 has a couple of issues (check their tracker) that I ran into during my usage and it hasn't been updated in a few years. dateutil, by contrast, has been active a...
How to extract one column of a csv file
...
This should be the accepted answer. This tool knows how to deal with CSV files, well beyond treating a comma as a field separator. To extract 2nd column, "csvtool col 2 input.csv"
– Vladislavs Dovgalecs
Oct 28 '16 at 2:52
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Git diff against a stash
...hanges un-stashing will make to the current working tree? I would like to know what changes will be made before applying them!
...
How to check if an element is in an array
...rch through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ?
...
What is the difference between screenX/Y, clientX/Y and pageX/Y?
...he link to w3schools seems to be only available over the reference section now: w3schools.com/jsref/tryit.asp?filename=try_dom_event_clientxy
– valid
Jul 10 '14 at 11:21
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Why I can't change directories using “cd”?
... but unfortunately name of the command needs to be input directly. Do you know how to make TAB key work in this case?
– Rafal
Jan 23 '14 at 8:08
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How to grep Git commit diffs or contents for a certain word?
... Use some made-up, non-regexy words instead.
The git diff documentation now includes:
To illustrate the difference between -S<regex> --pickaxe-regex and
-G<regex>, consider a commit with the following diff in the same
file:
+ return frotz(nitfol, two->ptr, 1, 0);
...
- ...
mysqli or PDO - what are the pros and cons? [closed]
... the prepared statements, the fact that it becomes a standard, etc. But I know that most of the time, convincing somebody works better with a killer feature. So there it is:
A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't want to use an ...
How can I select an element by name with jQuery?
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21 upvotes now...maybe it's because the answer is less confusing than 'td[name=tcol1]', especially since the td is not required and hence leads people like me down the wrong path
– Chris Sprague
Ju...