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Use HTML5 to resize an image before upload
... a canvas to a BLOB */
var dataURLToBlob = function(dataURL) {
var BASE64_MARKER = ';base64,';
if (dataURL.indexOf(BASE64_MARKER) == -1) {
var parts = dataURL.split(',');
var contentType = parts[0].split(':')[1];
var raw = parts[1];
return new Blob([raw], {ty...
Java Desktop application: SWT vs. Swing [closed]
...t thing to consider is that some users and some resellers (Dell) install a 64 bit VM on their 64 bit Windows, and you can't use the same SWT library on 32 bit and 64 bit VMs.
This means you will need to distribute and test different packages depending on whether users have 32-bit or a 64-bit Java V...
Convert Python dictionary to JSON array
...ly encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTemps'])
>>> js...
The name does not exist in the namespace error in XAML
...
Confirmed on VS 2017 version 15.2 (26430.15) in July 2017. Simply changed in dropdown from Debug to Release, compiled and error was gone, changed back and compiled and error was still gone.
– Tedd Hansen
Jul 15 '17 at 7:36...
Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
...
To fix/install Android USB driver on Windows 7/8 32bit/64bit:
Connect your Android-powered device to your computer's USB port.
Right-click on Computer from your desktop or Windows Explorer, and
select Manage.
Select Devices in the left pane.
Locate and expand Other device in th...
Where do I find the definition of size_t?
...me as unsigned int, which can lead to programming errors,2 particularly as 64-bit architectures become more prevalent.
From C99 7.17.1/2
The following types and macros are defined in the standard header stddef.h
<snip>
size_t
which is the unsigned integer type of the result of the sizeof ope...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到。
在移动端浏览器中以及某些桌面浏览器中，window对象有一个devicePixelRatio属性，它的官方的定义为：设备物理像素和设备独立像素的比例，也就是 devicePixelRatio = 物理像素 / 独立像素。css中的px就可以看做是设备的独立像...
Java maximum memory on Windows XP
...ot fun, but if you are desperate...
Alternatively, you can just switch to 64-bit Windows and a 64-bit JVM. Despite what others have suggested, while it will chew up more RAM, you will have much more contiguous virtual address space, and allocating 2GB contiguously would be trivial.
...
Read binary file as string in Ruby
...
You can probably encode the tar file in Base64. Base 64 will give you a pure ASCII representation of the file that you can store in a plain text file. Then you can retrieve the tar file by decoding the text back.
You do something like:
require 'base64'
file_contents...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
a9:8a:3a:3d:64:eb:0b:de:94:a5:92:e4:ba:5d:f3:de root@gfs_1
The key's randomart image is:
+--[ RSA 2048]----+
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