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If Python is interpreted, what are .pyc files?
...ible, with as little ceremony as feasible -- the compiler does very little error checking and optimization, so it can run fast and in small amounts of memory, which in turns lets it be run automatically and transparently whenever needed, without the user even needing to be aware that there is a comp...
Unix command to find lines common in two files
...ve the temporary files afterwards, and cope with cleaning up in case of an error. In many scenarios, the process substitution will also be a lot quicker because you can avoid the disk I/O as long as the results fit into memory.
– tripleee
Dec 8 '17 at 5:41
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System.Security.SecurityException when writing to Event Log
...
This answer describes the real reason behind the error. The check exists tries to enumerate the whole key. if it exists, checkExists works fine.
– DanO
Jul 29 '15 at 16:40
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How to compare two floating point numbers in Bash?
...questions/8654051/… e.g. $ echo "1.1+2e+02" | bc (standard_in) 1: syntax error
– Nemo
Feb 2 '16 at 10:55
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ssh: connect to host github.com port 22: Connection timed out
...he proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page.
16 Answers...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...(1.7.0) does not compile "Object[] arr = new int[1];" but rather gives the error message: "java: incompatible types required: java.lang.Object[] found: int[]". I think you meant "Object[] arr = new Integer[1];".
– Emre Sevinç
Jan 2 '13 at 13:46
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What are the best PHP input sanitizing functions?
...erybody does it, and if you test what you do, you end up with a SQL syntax error with this omission. The real dangerous part is handled with mysql_real_escape_string.
– Savageman
Jun 27 '10 at 14:27
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Function overloading in Javascript - Best practices
...require a parameter, and is called with an empty parameter field. A common error would be to assign a default value to the object in the second method, which would result in an ambiguous call error, as the compiler wouldn't know which of the two methods to use.
https://en.wikipedia.org/wiki/Functio...
How to retrieve a file from a server via SFTP?
...ther yummy SSH2 features.
Here's a simple remote file retrieve over SFTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/.ssh/known_hosts";
jsch.setKnownHosts( knownHostsFilename );
Session session = jsch.getSession( "...
Splitting a list into N parts of approximately equal length
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This code is broken due to rounding errors. Do not use it!!!
assert len(chunkIt([1,2,3], 10)) == 10 # fails
Here's one that could work:
def chunkIt(seq, num):
avg = len(seq) / float(num)
out = []
last = 0.0
while last < len(seq):
...