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NSUserDefaults not cleared after app uninstall on simulator
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
...t implementation takes care of most of the UI per-instance
state for you by calling onSaveInstanceState() on each view in the
hierarchy that has an id, and by saving the id of the currently
focused view (all of which is restored by the default implementation
of onRestoreInstanceState(Bundle)...
Is there a native jQuery function to switch elements?
...t;<div id="div2">2</div> and call swapNodes(document.getElementById('div1'), document.getElementById('div2')); i get <div id="div1">1</div><div id="div2">1</div>
– Paolo Bergantino
Mar 30 '09 at 18:44
...
JQuery Event for user pressing enter in a textbox?
...ethodology for binding, as it solves the following potential challenges:
By binding the event onto document.body and passing $selector as the second argument to on(), elements can be attached, detached, added or removed from the DOM without needing to deal with re-binding or double-binding events....
Create singleton using GCD's dispatch_once in Objective-C
...
@WalterMartinVargas-Pena the strong reference is held by the static variable
– Dave DeLong
Nov 15 '13 at 0:42
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show 3 ...
SQL - Update multiple records in one query
...1.config_value = 'value',
t2.config_value = 'value2';
Here is SQLFiddle demo
or conditional update
UPDATE config
SET config_value = CASE config_name
WHEN 'name1' THEN 'value'
WHEN 'name2' THEN 'value2'
ELSE config_val...
PHP Session Security
...data
There is a tiny but good book on this topic: Essential PHP Security by Chris Shiflett.
Essential PHP Security http://shiflett.org/images/essential-php-security-small.png
On the home page of the book you will find some interesting code examples and sample chapters.
You may use technique men...
Git undo local branch delete
...ead this good discussion of how to recover from this kind of error.
EDIT: By the way, don't run git gc (or allow it to run by itself - i.e. don't run git fetch or anything similar) or you may lose your commits for ever.
sha...
Referencing another schema in Mongoose
...ur post schema:
var postSchema = new Schema({
name: String,
postedBy: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
dateCreated: Date,
comments: [{body:"string", by: mongoose.Schema.Types.ObjectId}],
});
Then make your model:
var Post = mongoose.model('Post', postSchema);
...
How do I make a composite key with SQL Server Management Studio?
...abase/schema problems. That's a very bad sign - they are undocumented (eg by having the code to fix written down and checked into version control and/or having a tool that automatically applies the right changes to whatever the database version is) and if you have more than one installation then yo...