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How to calculate number of days between two given dates?
...= (b-a)
print delta.days
For reference: http://arrow.readthedocs.io/en/latest/
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Determine if Python is running inside virtualenv
...at() != sys.prefix
If you only care about supported Python versions and latest virtualenv, you can replace get_base_prefix_compat() with simply sys.base_prefix.
Using the VIRTUAL_ENV environment variable is not reliable. It is set by the virtualenv activate shell script, but a virtualenv can be use...
How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
I am trying to create a connection to my database, when I put test my code using the main method, it works seamlessly. However, when trying to access it through Tomcat 7, it fails with error:
...
@RequestParam vs @PathVariable
...aram is used to extract query parameters
http://localhost:3000/api/group/test?id=4
@GetMapping("/group/test")
public ResponseEntity<?> test(@RequestParam Long id) {
System.out.println("This is test");
return ResponseEntity.ok().body(id);
}
while @PathVariable is used to extract da...
“Pretty” Continuous Integration for Python
...check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use another CI server that has support for JUnit test reporting....
How to convert R Markdown to PDF?
...umid you might have missed the up-to-date part (well, if you are not using testing).
– daroczig
Nov 23 '12 at 8:34
Yea...
Versioning SQL Server database
...s script after each upgrade to the production DB.
A caveat: My automated tests run against a schema-correct but empty database, so this advice will not perfectly suit your needs.
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How to find the operating system version using JavaScript?
...
oscpu worked inconsistently for me when I tested it across the 4 major browsers on Windows 7. @Ludwig's solution worked consistently.
– Ian Ippolito
Jan 24 '14 at 21:04
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Is there a generator version of `string.split()` in Python?
...]+", string))
Demo:
>>> list( split_iter("A programmer's RegEx test.") )
['A', "programmer's", 'RegEx', 'test']
edit: I have just confirmed that this takes constant memory in python 3.2.1, assuming my testing methodology was correct. I created a string of very large size (1GB or so), t...
How do I determine if a port is open on a Windows server? [closed]
... see if the connection is refused, accepted, or timeouts.
On that latter test, then in general:
connection refused means that nothing is running on that port
accepted means that something is running on that port
timeout means that a firewall is blocking access
On Windows 7 or Windows Vista t...