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How to get the seconds since epoch from the time + date output of gmtime()?
...do you do reverse gmtime() , where you put the time + date and get the number of seconds?
6 Answers
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What is the difference between DSA and RSA?
It appears they are both encryption algorithms that require public and private keys. Why would I pick one versus the other to provide encryption in my client server application?
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Is there a portable way to get the current username in Python?
Is there a portable way to get the current user's username in Python (i.e., one that works under both Linux and Windows, at least). It would work like os.getuid :
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Matplotlib make tick labels font size smaller
In a matplotlib figure, how can I make the font size for the tick labels using ax1.set_xticklabels() smaller?
10 Answers
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var.replace is not a function
I'm using the below code to try to trim the string in Javascript but am getting the error mentioned in the title:
10 Answer...
XML Schema (XSD) validation tool? [closed]
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After some research, I think the best answer is Xerces, as it implements all of XSD, is cross-platform and widely used. I've created a small Java project on github to validate from the command line using the default JRE parser, which is normally Xerces. This...
What's the difference between an inverted index and a plain old index?
In software engineering we create indexes all the time (e.g., in databases) but I also hear a lot of people talk about inverted indices. Is there something fundamentally different between the two? They sound like the same thing.
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MySQL load NULL values from CSV data
...ets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, @vfour, five)
SET four = NULLIF(@vfour,'')
;
If they're all possibly empty, then yo...
Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
40 Answers
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
In case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
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