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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
My host came with a mongodb instance and there is no /db directory so now I am wondering what I can do to find out where the data is actually being stored.
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
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Are you parsing that string as ObjectId?
Here in my application, what I do is:
ObjectId.fromString( myObjectIdString );
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
... Setting GNUTERM to qt worked for me (not X11) but I put it in my home directory (~/.octaverc) not the directory mentioned above. I don't know what the difference is but home directory seems to be more installation neutral.
– sepans
Mar 29 '14 at 15...
Definitive way to trigger keypress events with jQuery
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fwiw, I had more success with 'keyup' for my application
– mark
Jan 9 '13 at 21:30
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How to revert uncommitted changes including files and folders?
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It didn't reset my unstaged files, I had to stage them first.
– Aron Lorincz
Jan 8 '16 at 12:06
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MySQL root password change
I have been trying to reset my MySQL root password. I have run the mysqld_safe --skip-grant-tables, updated the root password, and checked the user table to make sure it is there. Once restarting the mysql daemon I tried logging in with the new root password that I just set and still get Access de...
Get first day of week in SQL Server
...though those may come into play depending on how the function is used). In my tests the results are:
"Cheap" assignment query:
Function - client processing time / wait time on server replies / total exec time
Gandarez - 330/2029/2359 - 0:23.6
me datefirst - 329/2123/2452 - 0:24.5
me Sunday ...
iPhone UITextField - Change placeholder text color
I'd like to change the color of the placeholder text I set in my UITextField controls, to make it black.
32 Answers
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Is the != check thread safe?
...d use multiple threads but didn't fail. I guess could not simulate race on my machine.
That doesn't mean anything! The issue is that if an execution in which a is updated by another thread is allowed by the JLS, then the code is not thread-safe. The fact that you cannot cause the race condition ...
What's the difference between eval, exec, and compile?
... and returns the value of the expression:
>>> a = 2
>>> my_calculation = '42 * a'
>>> result = eval(my_calculation)
>>> result
84
exec and eval both accept the program/expression to be run either as a str, unicode or bytes object containing source code, or as a...