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scopes with lambda and arguments in Rails 4 style?
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307
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
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What does “javascript:void(0)” mean?
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1081
The void operator evaluates the given
expression and then returns undefined.
The voi...
textarea's rows, and cols attribute in CSS
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107
width and height are used when going the css route.
<!DOCTYPE html>
<html>
<...
jQuery AJAX file upload PHP
...('click', function() {
var file_data = $('#sortpicture').prop('files')[0];
var form_data = new FormData();
form_data.append('file', file_data);
alert(form_data);
$.ajax({
url: 'upload.php', // point to server-side PHP scri...
Python creating a dictionary of lists
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answered Jun 6 '09 at 23:00
mechanical_meatmechanical_meat
135k1919 gold badges199199 silver badges193193 bronze badges
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How do I delete a Git branch with TortoiseGit
...vius Panda
19.8k1313 gold badges9898 silver badges150150 bronze badges
answered Mar 14 '12 at 16:16
Sandro MundaSandro Munda
34.9k...
How to properly match varargs in Mockito
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pdem
2,9311616 silver badges3030 bronze badges
answered Apr 14 '10 at 2:53
topcheftopchef
16.3k77 gold badg...
Difference between repository and service?
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edited Sep 17 '09 at 17:22
answered Sep 17 '09 at 17:13
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Why do you have to call .items() when iterating over a dictionary in Python?
...-- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
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How to get the parents of a merge commit in git?
...es of its parents:
$ git log -1 395f65d
commit 395f65d438b13fb1fded88a330dc06c3b0951046
Merge: 9901923 d28790d
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git outputs parents according to their number: the first (leftmost) hash is for the first parent, and so on.
If all you want is just the hashes, the two equivalent choices are:
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