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Long vs Integer, long vs int, what to use and when?
...Object form of long, and Integer is the object form of int.
The long uses 64 bits. The int uses 32 bits, and so can only hold numbers up to ±2 billion (-231 to +231-1).
You should use long and int, except where you need to make use of methods inherited from Object, such as hashcode. Java.util.col...
Running V8 Javascript Engine Standalone
...
and if your on x86_64 do a: 'scons arch=x64' until its fixed in trunk code.google.com/p/v8/issues/detail?id=429#c1
– EdH
Sep 19 '11 at 3:15
...
convert UIImage to NSData
... UIImage *snapshot = self.myImageView.image;
[self encodeImageToBase64String:snapshot];
}
call this method for image convert in base 64
-(NSString *)encodeImageToBase64String:(UIImage *)image
{
return [UIImagePNGRepresentation(image) base64EncodedStringWithOptions:NSDat...
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...
Send attachments with PHP Mail()?
...;
$content = file_get_contents($file);
$content = chunk_split(base64_encode($content));
// a random hash will be necessary to send mixed content
$separator = md5(time());
// carriage return type (RFC)
$eol = "\r\n";
// main header (multipart mandatory)
$headers = ...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...de:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "long" message (this is what you get for messages longer than 8 kB). This is with sphlib, a library of hash fu...
ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
...-4.0_32bit" />
<remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />
<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
<add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule...
Call Go functions from C
... can assign it its own type:
type ProgressHandler func(current, total uint64, userdata interface{}) int
This handler takes some progress info (current number of files received and total number of files) along with an interface{} value which can hold anything the user needs it to hold.
Now we nee...
MFC中通过Tooltip类实现悬浮鼠标显示提示信息 - C/C++ - 清泛网 - 专注C/C++及内核技术
...中增加消息映射ON_NOTIFY_EX(TTN_NEEDTEXT, 0, SetTipText)
SetTipText是个回调函数，名字叫什么无所谓，符合原型就行了，原型下面会说。
2、EnableToolTips(TRUE)，使用这个方法调用这个函数是必不可少的.建议在CDialog::OnInitDialog调用。
3...
迅雷领投国内虚拟现实企业大朋VR 成最大股东 - 资讯 - 清泛网 - 专注C/C++及内核技术
...有上海恺英网络科技有限公司及其关联方。
值得注意的是，根据迅雷2014 年财报显示，截止到2015 年3 月31 日，小米是迅雷的第一大股东，持股比例为27.95%。同时根据资料，另一家跟投企业恺英网络虽然和小米没有直接关系，但...