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Does “\d” in regex mean a digit?
...found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
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printf with std::string?
...rloading:
std::cout << "Follow this command: " << myString;
If, for some reason, you need to extract the C-style string, you can use the c_str() method of std::string to get a const char * that is null-terminated. Using your example:
#include <iostream>
#include <string>
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How to use mod operator in bash?
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If someone needs this for mathematical operations, note that modulo operation with negative numbers in bash returns only remainder, not mathematical modulo result. This means, that while mathematically -12 mod 10 is 8, bash...
Post JSON using Python Requests
...thon.org/pypi/requests), the "json" parameter is supported. No need to specify "Content-Type". So the shorter version:
requests.post('http://httpbin.org/post', json={'test': 'cheers'})
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imp...
Animate a custom Dialog
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To start with, the most important thing — I probably had it working 5 different ways today but couldn't tell because... If your devices animation settings are set to "No Animations" (Settings → Display → Animation) then the dialogs won't be animated no matter what you do!
The following is a...
MySQL Fire Trigger for both Insert and Update
...cedure.html (which includes some examples) and asking your own question(s) if needed.
– derobert
Jul 1 '11 at 5:21
2
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What does the `forall` keyword in Haskell/GHC do?
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OK, I got my six hours and can now decode your answer. :) Between you and Norman I got exactly the kind of answer I was looking for. Thanks.
– JUST MY correct OPINION
Jun 19 '10 at 0:37
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Why am I getting a “401 Unauthorized” error in Maven?
...act to a Nexus Sonatype repository. You will get a 401 Unauthorized error if you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releases repository and that version already exists in the repository....
How do I get the row count of a pandas DataFrame?
...erty or just len(DataFrame.index). However, there are notable performance differences ( len(DataFrame.index) is fastest).
Code to reproduce the plot:
import numpy as np
import pandas as pd
import perfplot
perfplot.save(
"out.png",
setup=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, ...
Get itunes link for app before submitting
...he binary is submitted through the application loader. Is there any other known way to get the itunes/app store link to my app before I submit the binary?
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