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Python string class like StringBuilder in C#?
... answered Mar 10 '10 at 5:11
Andrew HareAndrew Hare
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Is there a way to specify an “empty” C# lambda expression?
...ate an empty lambda every time I need it. E.g. in JQuery there is the noop and I would expect something similar to be present in C#.
– qqqqqqq
Mar 12 at 21:28
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How do I delete an exported environment variable?
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unset is the command you're looking for.
unset GNUPLOT_DRIVER_DIR
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How do you query for “is not null” in Mongo?
...rue}});
This will return all documents with both a key called "IMAGE URL" and a non-null value.
db.mycollection.find({"IMAGE URL":{$ne:null}});
Also, according to the docs, $exists currently can't use an index, but $ne can.
Edit: Adding some examples due to interest in this answer
Given these inse...
When to use Vanilla JavaScript vs. jQuery?
...ing javascript, instead of jQuery, that actually enable you to write less and do ... well the same amount. And may also yield performance benefits.
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$routeParams doesn't work in resolve function
...arjs.org/api/ng.$routeParams are nice API when a route was already matched and changed. But it is true that it is a bit confusing...
– pkozlowski.opensource
Nov 17 '12 at 18:47
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Removing multiple files from a Git repo that have already been deleted from disk
... Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this:
29 Answers
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NameError: global name 'unicode' is not defined - in Python 3
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If you need to have the script keep working on python2 and 3 as I did, this might help someone
import sys
if sys.version_info[0] >= 3:
unicode = str
and can then just do for example
foo = unicode.lower(foo)
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Coredata Error “data: ”
...ou access one of the properties, core data will go to the persistent store and fetch the rest of your values, then you'll get the full description in the logs.
This seems to be such a common misunderstanding that I decided to write about it, here.
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OSX - How to auto Close Terminal window after the “exit” command executed.
... edited Nov 13 '18 at 19:38
Sandy Chapman
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answered Jul 28 '13 at 16:38
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