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Rails hidden field undefined method 'merge' error
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You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expects a hash as a second argument
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Saving image from PHP URL
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If you have allow_url_fopen set to true:
$url = 'http://example.com/image.php';
$img = '/my/folder/flower.gif';
file_put_contents($img, file_get_contents($url));
Else use cURL:
$ch = curl_init('http://example.com/image.php');
$fp = f...
What is the difference between SIGSTOP and SIGTSTP?
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/usr/include/x86_64-linux-gnu/bits/signum.h
#define SIGSTOP 19 /* Stop, unblockable (POSIX). */
#define SIGTSTP 20 /* Keyboard stop (POSIX). */
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...nteger reference and the pending intent going off, the app was updated and all of the drawable references changed. The integer that used to reference the correct drawable now referenced either the incorrect drawable or none at all (none at all - causing this crash)
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What's the Best Way to Shuffle an NSMutableArray?
...o be flipped only if the result is the opposite of the side that was originally up?
– Kristopher Johnson
Oct 22 '12 at 17:00
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How do I access this object property with an illegal name?
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<?php
$x = new StdClass();
$x->{'todo-list'} = 'fred';
var_dump($x);
So, $object->{'todo-list'} is the sub-object. If you can set it like that, then you can also read it the same way:
echo $x->{'todo-list'};
Another possibility:
$todolist = 'todo-list';
echo $x->$todolis...
String slugification in Python
... named python-slugify, which does a pretty good job of slugifying:
pip install python-slugify
Works like this:
from slugify import slugify
txt = "This is a test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = "This -- is a ## test ---"
r = slugify(txt)
self.assertEquals(r, "thi...
Python “SyntaxError: Non-ASCII character '\xe2' in file”
...ing in the "UTF-8 Bytes" column which starts with %E2 is a candidate. Generally the issue is editing code with "smart" features turned on like "smart quotes" replacing " with “ (U+201C) and ” (U+201D) or turning -- into — (U+2014 em dash). All of those start with "\xe2\x80" in UTF-8.
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Change name of folder when cloning from GitHub?
...s...] <repository> [<directory>], so we see that git clone repo_url my_directory should work, as the above answer correctly shows.
– Purplejacket
Sep 26 '19 at 18:46
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ERROR: Error installing capybara-webkit:
... path to where qt5 is installed. export QMAKE=/usr/local/Cellar/qt5/5.5.1_1/bin/qmake
– Seth Jeffery
Nov 16 '15 at 8:59
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