大约有 46,000 项符合查询结果（耗时：0.0660秒） [XML]
What is the benefit of zerofill in MySQL?
...ncated. Note that usage of ZEROFILL also implies UNSIGNED.
Using ZEROFILL and a display width has no effect on how the data is stored. It affects only how it is displayed.
Here is some example SQL that demonstrates the use of ZEROFILL:
CREATE TABLE yourtable (x INT(8) ZEROFILL NOT NULL, y INT(8) ...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...tents
rver.
Keep in mind that the extensions mechanism is still unstable and under development. Any aia files you build in steps (1) a
Using App Inventor extensions to implement multitouch: Rotation detector
A demo app with rotation detector extension component
How to build rotation detector...
Why do we have to normalize the input for an artificial neural network?
...n MLP [multilayer perceptron], then it is
rarely strictly necessary to standardize the inputs, at least in theory. The
reason is that any rescaling of an input vector can be effectively undone by
changing the corresponding weights and biases, leaving you with the exact
same outputs as you ha...
How do I determine the target architecture of static library (.a) on Mac OS X?
...
Another option is lipo; its output is brief and more readable than otool's.
An example:
% lipo -info /usr/lib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fa...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...快速做出各种定制界面的表格。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at pixels, hunting memory leaks, adding new features, fixing new bugs and beating the code by force of will into a form that is as f...
How to provide different Android app icons for different gradle buildTypes?
I have two build types set in my gradle file: debug and release . I'd like to be able to set a different app icon for the debug build type. Is there any way to this just through the build type, without getting into product flavors? build.gradle file is below.
...
javac : command not found
I have installed java in my CentOS release 5.5 machine using the command yum install java . But I am unable to compile a class using javac.
...
Explicitly calling a default method in Java
...ing
A.super.foo();
This could be used as follows (assuming interfaces A and C both have default methods foo())
public class ChildClass implements A, C {
@Override
public void foo() {
//you could completely override the default implementations
doSomethingElse();
/...
What is the purpose of `text=auto` in `.gitattributes` file?
...ttern attr1 attr2 ...
So here, the pattern is *, which means all files, and the attribute is text=auto.
What does text=auto do? From the documentation:
When text is set to "auto", the path is marked for automatic end-of-line normalization. If Git decides that the content is text, its line en...
Git: which is the default configured remote for branch?
...nd out which is the "default configured remote for your current branch" ? And how do I set it?
4 Answers
...