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Asynchronously load images with jQuery
... are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:
&...
Convert UTF-8 encoded NSData to NSString
...ata {
return Data(utf8)
}
}
extension String {
var base64Decoded: Data? {
return Data(base64Encoded: self)
}
}
Playground
let string = "Hello World" // "Hello World"
let stringData = string.data // 1...
Android encryption / decryption using AES [closed]
...macSHA1 derivation is used as it is more secured.
import android.util.Base64;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto....
Different results with Java's digest versus external utilities
...-bit applications that have the system path hard coded and is running in a 64-bit Windows? How can they find the new SysWOW64 folder without changes in the program code, you might think. The answer is that the emulator redirects calls to System32 folder to the SysWOW64 folder transparently so even i...
“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
I'm calling functions from a 32-bit unmanaged DLL on a 64-bit system. What I get is:
20 Answers
...
Android SDK installation doesn't find JDK
I'm trying to install the Android SDK on my Windows 7 x64 System.
45 Answers
45
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...ppose we want one thread to process one pixel (i,j).
We can use blocks of 64 threads each. Then we need 512*512/64 = 4096 blocks
(so to have 512x512 threads = 4096*64)
It's common to organize (to make indexing the image easier) the threads in 2D blocks having blockDim = 8 x 8 (the 64 threads per b...
How to compare 2 files fast using .NET?
...instead of one byte at a time, you would use an array of bytes sized to Int64, and then compare the resulting numbers.
Here's what I came up with:
const int BYTES_TO_READ = sizeof(Int64);
static bool FilesAreEqual(FileInfo first, FileInfo second)
{
if (first.Length != second.L...
How to change Vagrant 'default' machine name?
....3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
to generate a default Vagrantfile. Then I opened the VirtualBox GUI so I could see what names the boxes I create would show up as.
Default Vagrantfile
Vagrant.configure('2') d...
What is the memory consumption of an object in Java?
...r example, the JVM or native compiler might decide to store a boolean[] in 64-bit long chunks like a BitSet. It does not have to tell you, so long as the program gives the same answers.
It might allocate some temporary Objects on the stack.
It may optimize some variables or method calls t...