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Is JavaScript guaranteed to be single-threaded?
..., blur, log out on all except IE. These events don't just fire because you called focus() directly, they could happen because you called alert(), or opened a pop-up window, or anything else that moves the focus.
This can also result in other events. For example add an i.onchange listener and type s...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...ch can be used anywhere, not just the print statement. It's sometimes just called "the ternary operator", but it's not the only ternary operator, just the most common one.
Here's a good example from Wikipedia demonstrating how it works:
A traditional if-else construct in C, Java and JavaScript is w...
Is there a unique Android device ID?
...ermission.READ_PHONE_STATE)
Most users hate the fact that it says "Phone Calls" in the permission. Some users give bad ratings, because they believe you are simply stealing their personal information when all you really want to do is track device installs. It is obvious that you are collecting dat...
Declaring a custom android UI element using XML
...
The Android Developer Guide has a section called Building Custom Components. Unfortunately, the discussion of XML attributes only covers declaring the control inside the layout file and not actually handling the values inside the class initialisation. The steps are a...
jQuery validate: How to add a rule for regular expression validation?
...: "^[a-zA-Z'.\\s]{1,40}$" })
Additionally, it looks like there is a file called additional-methods.js that contains the method "pattern", which can be a RegExp when created using the method without quotes.
Edit
The pattern function is now the preferred way to do this, making the example:
$("...
URL rewriting with PHP
...entially do this 2 ways:
The .htaccess route with mod_rewrite
Add a file called .htaccess in your root folder, and add something like this:
RewriteEngine on
RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it get...
Database design for audit logging
...ea of what the old record looked like.
So for example, if you had a table called Opportunities to track sales deals, you would actually create two separate tables:
Opportunities
Opportunities_Content (or something like that)
The Opportunities table would have information you'd use to uniquely ide...
Create a custom View by inflating a layout?
... I have tried same. its working fine. but, when i click btn1, it will calling web services and after received response from server, i want to update some text in particular position text2..any help pls ?
– harikrishnan
Feb 10 '18 at 10:12
...
Prevent dialog dismissal on screen rotation in Android
... })
.create();
}
}
And in the Activity you call:
new MyDialogFragment().show(getSupportFragmentManager(), "tag"); // or getFragmentManager() in API 11+
This answer helps explain these other three questions (and their answers):
Android Best way of avoid Dialogs to...
Preview an image before it is uploaded
...S implementation of this. Works like a charm. @kxc you should make an ajax call and send input.files[0] as data, see jQuery's doc.
– Sumi Straessle
Mar 13 '17 at 9:07
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