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How to delete items from a dictionary while iterating over it?
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EDIT:
This answer will not work for Python3 and will give a RuntimeError.
RuntimeError: dictionary changed size during iteration.
This happens because mydict.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list ...
How to stop C# console applications from closing automatically? [duplicate]
...compile (start debugging) your work with Ctrl+F5.
Try it. I always do it and the console shows me my results open on it. No additional code is needed.
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
I want to shuffle the lines of a text file randomly and create a new file. The file may have several thousands of lines.
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How does a Breadth-First Search work when looking for Shortest Path?
I've done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain...
Remote JMX connection
...s. The server was on a VM. The VM was deployed fenced so it has internal and an external IP addresses. We started the server java process with -Djava.rmi.server.hostname=<external-ip-address>.
– buzz3791
Oct 28 '13 at 21:39
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Remove an entire column from a data.frame in R
...on't need drop argument cause it always return data.frame from data.frame. And I think this is much better way to localized columns (and only columns) in data.frame (and it's faster). Check: cars[-1] (one col data.frame) or better cars[-(1:2)]: data frame with 0 columns and 50 rows.
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
I am trying to get my friend name and ids with Graph API v2.0, but data returns empty:
7 Answers
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How do I find the location of the executable in C? [duplicate]
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To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/proc/self/exe", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
On Unixes without /proc (i.e. if ab...
JPA : How to convert a native query result set to POJO class collection
...our result with the entity with tha java entity class with "@EntityResult" and "@FieldResult" annotations. Thats fine. But here i need more clarity. Is is required that the class which we are mapping with the result must be a JPA entity class ? OR can we use a simple POJO class which is not an enti...
How to attach file to a github issue?
I migrated with a project from Bitbucket to Github and I can not find a way to attach a file to an issue (ex: screenshot, specs, etc)
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