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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...zhu@vip.qq.com
# FileName: test_download.cpp
# Version: 1.0
# LastChange: 2010-03-09 14:20:44
# Description:
# History:
============================================*/
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include “...
The performance impact of using instanceof in Java
...
@TobiasReich So we got +1.0(9). :)
– Pavel
Aug 4 '15 at 9:29
9
...
Formula to determine brightness of RGB color
...ewhere...
Step One:
Convert all sRGB 8 bit integer values to decimal 0.0-1.0
vR = sR / 255;
vG = sG / 255;
vB = sB / 255;
Step Two:
Convert a gamma encoded RGB to a linear value. sRGB (computer standard) for instance requires a power curve of approximately V^2.2, though the "accurate" tr...
Creating runnable JAR with Gradle
...r
Contents of MyJarFile.jar#META-INF/MANIFEST.mf:
Manifest-Version: 1.0
Main-Class: com.somepackage.MainClass
Class-Path: lib/commons-lang3-3.3.2.jar
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How to capture the “virtual keyboard show/hide” event in Android?
...d, it's not that really. Here's the code:
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="hor...
XML Serialization - Disable rendering root element of array
...m the XmlSerializerNamespaces here
I got this output:
<?xml version="1.0" encoding="ibm850"?>
<SHOPITEM>
<PRODUCTNAME>test</PRODUCTNAME>
<VARIANT>
<PRODUCTNAME>hi 1</PRODUCTNAME>
</VARIANT>
<VARIANT>
<PRODUCTNAME>hi 2<...
What's the difference between equal?, eql?, ===, and ==?
... example, perform type conversion across ==, but not across eql?, so:
1 == 1.0 #=> true
1.eql? 1.0 #=> false
So you're free to override this for your own uses, or you can override == and use alias :eql? :== so the two methods behave the same way.
equal? — identity comparison
Unlike ...
How to round the corners of a button
...layer.borderColor=[uicolor blackColor].CGColor;
YourBtn1.layer.borderWidth=1.0f;
Swift 4 Solution
YourBtn1.layer.cornerRadius = YourBtn1.Frame.size.width/2
YourBtn1.layer.borderColor = UIColor.black.cgColor
YourBtn1.layer.borderWidth = 1.0
...
In Maven 2, how do I know from which dependency comes a transitive dependency?
...-alpha-5-SNAPSHOT
[INFO] \- org.apache.maven.doxia:doxia-site-renderer:jar:1.0-alpha-8:compile
[INFO] \- org.codehaus.plexus:plexus-velocity:jar:1.1.3:compile
[INFO] \- velocity:velocity:jar:1.4:compile
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“Width equals height” constraint in Interface Builder
...ou can't express the following code in Interface Builder:
CGFloat ratio = 1.0;
NSLayoutConstraint *constraint = [NSLayoutConstraint
constraintWithItem:myView
attribute:NSLayoutAttributeWidth
relatedBy:NSLayoutRelationEqual
toItem:myView
attribute:NSLayoutAttributeHeight
mult...