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What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
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How can I join elements of an array in Bash?
If I have an array like this in Bash:
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Starting python debugger automatically on error
This is a question I have wondered about for quite some time, yet I have never found a suitable solution. If I run a script and I come across, let's say an IndexError, python prints the line, location and quick description of the error and exits. Is it possible to automatically start pdb when an err...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string.
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How to initialize a struct in accordance with C programming language standards
...n use a designated initializer to initialize a structure:
MY_TYPE a = { .flag = true, .value = 123, .stuff = 0.456 };
Edit: Other members are initialized as zero: "Omitted field members are implicitly initialized the same as objects that have static storage duration." (https://gcc.gnu.org/online...
Detect if a NumPy array contains at least one non-numeric value?
I need to write a function which will detect if the input contains at least one value which is non-numeric. If a non-numeric value is found I will raise an error (because the calculation should only return a numeric value). The number of dimensions of the input array is not known in advance - the fu...
iReport not starting using JRE 8
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There's another way if you don't want to have older Java versions installed you can do the following:
1) Download the iReport-5.6.0.zip from https://sourceforge.net/projects/ireport/files/iReport/iReport-5.6.0/
2) Download jre-7u67-windows-x64....
How to specify function types for void (not Void) methods in Java8?
I'm playing around with Java 8 to find out how functions as first class citizens. I have the following snippet:
4 Answers
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Make git automatically remove trailing whitespace before committing
I'm using git with my team and would like to remove whitespace changes from my diffs, logs, merges, etc. I'm assuming that the easiest way to do this would be for git to automatically remove trailing whitespace (and other whitespace errors) from all commits as they are applied.
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Setting the MySQL root user password on OS X
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Try the command FLUSH PRIVILEGES when you log into the MySQL terminal. If that doesn't work, try the following set of commands while in the MySQL terminal
$ mysql -u root
mysql> USE mysql;
mysql> UPDATE user SET password=PASSWORD("NE...