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Get ID of last inserted document in a mongoDB w/ Java driver
...h MongoDB plainly auto-generates ObjectId's. However, your solution of manually creating an ObjectId does work, and thanks for this option!
– Apophenia Overload
Dec 4 '12 at 8:39
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Loop through an array of strings in Bash?
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Note that the double quotes around "${arr[@]}" are really important. Without them, the for loop will break up the array by substrings separated by any spaces within the strings instead of by whole string elements within the array. ie: if you had declare -a arr=("element 1" "ele...
How can I check if a Perl array contains a particular value?
...For the record, this code still does iterate through the array. The map{} call simply makes that iteration very easy to type.
– Kenny Wyland
Mar 3 '12 at 23:09
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Convert SVG to image (JPEG, PNG, etc.) in the browser
...out the need for Canvg, which is a pretty large library because it handles all the SVG parsing that an SVG-supporting browser already provides for free. I'm not sure if this satisfies the original use-case, but if so, then see this resource for details.
– Premasagar
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How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
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Is there any difference between “foo is None” and “foo == None”?
... Hmmm, I think your link changed, unless you were interested in how to call external functions from python
– Pat
May 4 '12 at 20:39
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Determine the line of code that causes a segmentation fault?
...e tutorial to get you started with GDB.
Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides.
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Perform commands over ssh with Python
...to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
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Is there a Python equivalent of the C# null-coalescing operator?
In C# there's a null-coalescing operator (written as ?? ) that allows for easy (short) null checking during assignment:
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How do I list all tables in a schema in Oracle SQL?
How do i list all tables in a schema in Oracle SQL?
14 Answers
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