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How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent associ...
How to initialize a private static const map in C++?
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10 Answers
10
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...function(owner) {
var that= this;
if (arguments.length<=1) {
return function() {
return that.apply(owner, arguments);
};
} else {
var args= Array.prototype.slice.call(arguments, 1);
return function() {
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Combining two lists and removing duplicates, without removing duplicates in original list
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11 Answers
11
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Get an object properties list in Objective-C
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13 Answers
13
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Depend on a branch or tag using a git URL in a package.json?
...t;user>/<project>.git#feature\/<branch>
As of NPM version 1.1.65, you can do this:
<user>/<project>#<branch>
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How can I format patch with what I stash away
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163
Sure, git stash show supports this:
git stash show -p
So, use
git stash list
to find out th...
Git pre-push hooks
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14
I would rather run the test in a pre-commit-hook. Because the change is already recorded when c...
Add to Array jQuery
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301
For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects...