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Best way to give a variable a default value (simulate Perl ||, ||= )
...the tedium out of this sort of thing.
function set_if_defined(&$var, $test){
if (isset($test)){
$var = $test;
return true;
} else {
return false;
}
}
function set_unless_defined(&$var, $default_var){
if (! isset($var)){
$var = $default_var;
...
How to link to apps on the app store
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This should be tested on a real device.
– Protocole
Feb 7 '12 at 9:31
7
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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)
share
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improve this answer
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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...
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...
With MySQL, how can I generate a column containing the record index in a table?
...ows the variable initialization without requiring a separate SET command.
Test case:
CREATE TABLE league_girl (position int, username varchar(10), score int);
INSERT INTO league_girl VALUES (1, 'a', 10);
INSERT INTO league_girl VALUES (2, 'b', 25);
INSERT INTO league_girl VALUES (3, 'c', 75);
INSE...
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...