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How to check if a stored procedure exists before creating it
...dures as well. To use their output in an INSERT, you'll need to use OPENROWSET or OPENQUERY which works with the anonymous code as well. Of course there are drawbacks in the anonymous code: for instance, it only runs under the caller's privileges. My point is that it is possible, not preferred way o...
Typedef function pointer?
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typedef is a language construct that associates a name to a type.
You use it the same way you would use the original type, for instance
typedef int myinteger;
typedef char *mystring;
typedef void (*myfunc)();
using them li...
Making git auto-commit
...te that the kernel has a limit on the number of inotifywait watches it can set up. man inotifywait will tell you more.
– JesperE
Oct 29 '12 at 9:22
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Log all requests from the python-requests module
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@nealmcb: gah, yes, setting a global class attribute would indeed enable debugging in httplib. I do wish that library used logging instead; the debug output is written directly to stdout rather than let you redirect it to a log destination of yo...
How to stage only part of a new file with git?
... editor after snippets, if snippets enabled
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How to detect the physical connected state of a network cable/connector?
...nterface has to be up. See Marco's answer below. In my system, eth0 is not set by default and my program randomly generates an IP address for it. I get an "Invalid argument" error from catting the carrier
– VocoJax
Sep 12 '18 at 17:13
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How can I get list of values from dict?
How can I get a list of the values in a dict in Python?
5 Answers
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Drop unused factor levels in a subsetted data frame
I have a data frame containing a factor . When I create a subset of this dataframe using subset or another indexing function, a new data frame is created. However, the factor variable retains all of its original levels, even when/if they do not exist in the new dataframe.
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Replace all elements of Python NumPy Array that are greater than some value
...lement, it takes only every step (if neglected, it is 1 by default). So to set all the evens to zero, you could do a[::2] = 0
– askewchan
Oct 8 '15 at 3:02
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
I'm using grep to match string in a file. Here is an example file:
8 Answers
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