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Python debugging tips [closed]
...ograms that need to respond before the other end of the network connection times out and goes away. You might not have much time to single-step a debugger; but you can just let your code run, and log everything, then pore over the logs and figure out what's really happening.
EDIT: The original URL...
String formatting named parameters?
...evaluated twice. Twice isn't so bad, but it could just have easily been 20 times :)
– mpen
Mar 16 '10 at 3:31
...
Test if a command outputs an empty string
... be a problem but for larger outputs the difference may be significant:
$ time [ -z "$(seq 1 10000000)" ]
real 0m2.703s
user 0m2.485s
sys 0m0.347s
Compare it with:
$ time [ $(seq 1 10000000 | wc -c) -eq 0 ]
real 0m0.128s
user 0m0.081s
sys 0m0.105s
And even better:
$ time [ $(seq...
Finding most changed files in Git
... Nice. Also, I found it also reports file that were deleted long time ago. Quick fix was to limit time, e.g: --since="last year"
– FractalSpace
Apr 5 '13 at 21:04
2...
Difference between __str__ and __repr__?
...ggers is their basic nature — most failures I debug happened a long long time ago, in a galaxy far far away. This means that I do believe, with religious fervor, in logging. Logging is the lifeblood of any decent fire-and-forget server system. Python makes it easy to log: with maybe some project s...
How does this code generate the map of India?
...ting the 1's and 0's to !'s and whitespace and printing one character at a time.
Less obfuscated version:
#include "stdio.h"
int main (void) {
int a=10, b=0, c=10;
char* bits ="TFy!QJu ROo TNn(ROo)SLq SLq ULo+UHs UJq TNn*RPn/QPbEWS_JSWQAIJO^NBELPeHBFHT}TnALVlBLOFAkHFOuFETpHCStHAUFAgcEAelcl...
Throwing cats out of windows
... cat's body design and cat's turning skills. But that still means it needs time to turn. The more time there is (==>the higher the altitude), the more likely the cat will land on its feet (==> chances of survival increase dramatically, as opposed to e.g. landing on the head). But you're right,...
How can I start an interactive console for Perl?
...t really a REPL, true, but it's fantastically useful, and I use it all the time.
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How can one use multi threading in PHP applications
...g a multi-threaded model in PHP whether truly, or just simulating it. Some time back it was suggested that you could force the operating system to load another instance of the PHP executable and handle other simultaneous processes.
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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