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NOT IN vs NOT EXISTS
...be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway.
When neither Products...
Find where python is installed (if it isn't default dir)
...isn't in it's default directory, there surely is a way of finding it's install location from here?
11 Answers
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Javascript array search and remove string?
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I'm actually updating this thread with a more recent 1-line solution:
let arr = ['A', 'B', 'C'];
arr = arr.filter(e => e !== 'B'); // will return ['A', 'C']
The idea is basically to filter the array by selecting all elements d...
AsyncTask and error handling on Android
... some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers/browse_thread/thread/…)
– OneWor...
See “real” commit date in github (hour/day)
...a <time> element with an iso value under its datetime attribute.
If all else fails, like it did for me, try inspecting the text.
Sample element:
<time datetime="2015-01-22T20:48:13Z" is="relative-time" title="Jan 22, 2015, 2:48 PM CST">7 days ago</time>
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In Python, if I return inside a “with” block, will the file still close?
... dbrdbr
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32
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Use of *args and **kwargs [duplicate]
...u're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example:
>>> def print_everything(*args):
for count, thing in enumerate(args):
... print( '{0}. {1}'.format(count, thing))
...
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How do I return NotFound() IHttpActionResult with an error message or exception?
...uld also eliminate the "this." part (which is unfortunately required when calling an extension method):
public class CustomApiController : ApiController
{
protected NotFoundTextPlainActionResult NotFound(string message)
{
return new NotFoundTextPlainActionResult(message, Request);
...
Express-js can't GET my static files, why?
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In case of new install you should verify that your express module is properly installed (expressjs.com/en/starter/installing.html) then you should check the path and your directory name like Giacomo said ;)
– Spl2nky
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How to unzip a list of tuples into individual lists? [duplicate]
...l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen t...