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How do I return the response from an asynchronous call?
...do a lot of stuff with XMLHttpRequest 2:
I made a download manager (using ranges on both sides with resume, filereader, filesystem), various image resizers converters using canvas, populate web SQL databases with base64images and much more... But in these cases you should create a function only for...
Polymorphism in C++
... inside templates or macros), we're trying to support an arbitrarily large range of types but often want to express operations on them in terms of other functions, literals and operations that were designed for a small set of types. It reduces the need to create near-identical functions or data on ...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...hs as icon resources linked to your executable. Each icon should contain a range of sizes and then at runtime you choose the most appropriate size and load it into an image list. Some details on that topic can be found here: How do I load icons from a resource without suffering from aliasing?
Anoth...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...rnel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048586
# /sbin/sysctl -p (设置参数立即生效)
9、修改系统资源限制
编辑...
扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网
...wo lines formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in And...
扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网
...wo lines formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in And...
扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网
...wo lines formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in And...
扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网
...wo lines formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in And...
扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网
...wo lines formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in And...
data.table vs dplyr: can one do something well the other can't or does poorly?
...t;, >= along with all other advantages of data.table joins.
Overlapping range joins was implemented in data.table recently. Check this post for an overview with benchmarks.
setorder() function in data.table that allows really fast reordering of data.tables by reference.
dplyr provides interface ...