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How to read and write INI file with Python3?
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Here's a complete read, update and write example.
Input file, test.ini
[section_a]
string_val = hello
bool_val = false
int_val = 11
pi_val = 3.14
Working code.
try:
from configparser import ConfigParser
except ImportError:
from ConfigParser import ConfigParser # ver. < 3...
How to put a label on an issue in GitHub if you are not a contributor / owner?
...till potentially reserving other labels for collaborators only.
Here is a test repo of mine that you can freely create issues on to test it out: https://github.com/cirosantilli/test-git-web-interface/issues/new
The templates can be created from GitHub's repo Settings tab, but even if you do it fro...
Minimum and maximum value of z-index?
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My tests show that z-index: 2147483647 is the maximum value, tested on FF 3.0.1 for OS X.
I discovered a integer overflow bug: if you type z-index: 2147483648 (which is 2147483647 + 1) the element just goes behind all other elem...
Java ArrayList copy
...ws:
ArrayList<String> src = new ArrayList<String>();
src.add("test string1");
src.add("test string2");
ArrayList<String> dest= new ArrayList<String>();
dest.addAll(src);
This is actual copying of values and not just copying of reference.
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Is there a 'foreach' function in Python 3?
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This does the foreach in python 3
test = [0,1,2,3,4,5,6,7,8,"test"]
for fetch in test:
print(fetch)
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setup.py examples?
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READ THIS FIRST https://packaging.python.org/en/latest/current.html
Installation Tool Recommendations
Use pip to install Python packages
from PyPI.
Use virtualenv, or pyvenv to isolate application specific dependencies from a shared Python installation.
U...
How can I check that a form field is prefilled correctly using capybara?
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If you specifically want to test for a placeholder, use:
page.should have_field("some_field_name", placeholder: "Some Placeholder")
or:
expect(page).to have_field("some_field_name", placeholder: "Some Placeholder")
If you want to test the user-ent...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...enerated, but it is not used in the changed row.
See demonstration below, tested with Percona Server 5.5.28. The configuration variable innodb_autoinc_lock_mode=1 (the default):
mysql> create table foo (id serial primary key, u int, unique key (u));
mysql> insert into foo (u) values (10);
m...
Are tuples more efficient than lists in Python?
...u might expect tuples to be slightly faster. However you should definitely test your specific case (if the difference might impact the performance of your program -- remember "premature optimization is the root of all evil").
Python makes this very easy: timeit is your friend.
$ python -m timeit ...
Determining 32 vs 64 bit in C++
...if _WIN32 || _WIN64 … #elif __GNUC__ … #else # error "Missing feature-test macro for 32/64-bit on this compiler."?
– Davislor
Nov 29 '15 at 20:24
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