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How to wait until an element exists?
... Thank you for the plugin. I forked and improved it a bit. Feel free to take whatever you want from my update. I have a few more improvements planned, still: updated plugin
– Brandon Belvin
Jun 4 '13 at 21:46
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What is the meaning of “$” sign in JavaScript
...in JavaScript, you can always do this:
var $ = document.getElementById; //freedom from document.getElementById!
When Prototype library arrived, they named their function, which gets the DOM elements, as '$'. Almost all the JavaScript libraries copied this idea. Prototype also introduced a $$ func...
How do you debug MySQL stored procedures?
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Debugger for mysql was good but its not free. This is what i use now:
DELIMITER GO$
DROP PROCEDURE IF EXISTS resetLog
GO$
Create Procedure resetLog()
BEGIN
create table if not exists log (ts timestamp default current_timestamp, msg varchar(2048)) engine...
Building a complete online payment gateway like Paypal [closed]
...he accreditation process. Most acquirers help you through this process for free, but when you want to register as an accredited PSP some will request a fee.
you will need to comply with some regulations too, for example you may need to register as a payment institution
Once you are registered and ...
Can an Android NFC phone act as an NFC tag?
... myself, it looks very interesting.
If you want to do it for a commercial/free app you'll have a hard time, your users won't like to change their kernel to support your app.
Update:
There would be a simple trick to make your phone emulate a ticket:
You can get a NFC-sticker and put it in or on the...
java get file size efficiently
... specific. OS X did not have the same issue and could access network file info as fast as the OS could do so.
Java File handling on Windows is terrible. Local disk access for files is fine though. It was just network shares that caused the terrible performance. Windows could get info on the net...
Where to find Java JDK Source Code? [closed]
... There are multiple ways of extracting a .tar and a .gz, and I prefer the free "7Zip" utility.
download the Linux 64 bit .tar.gz
use 7zip to uncompress the .tar.gz to a .tar
use 7zip to extract the .tar to the installation directory
src.zip will be waiting for you in that installation directory.
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Android Studio inline compiler showing red errors, but compilation with gradle works fine
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Thanks to free3dom for getting me on the right track here.
Diagnosis
The Sync Project with Gradle Files option in Android Studio seems to keep the Project Structure libraries up to date.
However, in my case there were some error...
Calculate size of Object in Java [duplicate]
... sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before and after creating the object and then recording the difference, but it would only give 0 or 131304, and nothing in between, regardless of the number of e...
Getting reference to the top-most view/window in iOS application
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I don't have time to find out. If you do you are free to update this post.
– hfossli
Dec 1 '14 at 14:33
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