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iOS开发(一)：真机调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ment
选择你是个人开发者还是企业，选择个人开发者
然后就按照步骤完成购买，一般需要几天才能审核通过。
创建证书请求申请 (Certificate Signing Request)
选择 “Certificate Assistant”，然后点击 “Request Certificate from A Certificate ...
怎么从MQTT Topic接收的信息中解析出，然后查找想用的键值，让键值中的数据...
怎么将MQTT中接收的信息 Topic中接收的信息 解析成JSON 然后查找对应的键值 将数据显示到文本上https://bbs.tsingfun.com/thread-1813-1-1.html
把json换成你的topic就行了。
遇到问题的话，每一步的变量都打印出来看看，找到哪一步的问...
How do I append text to a file?
...t matter.
^D
Essentially, you can dump any text you want into the file. CTRL-D sends an end-of-file signal, which terminates input and returns you to the shell.
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How to automatically remove trailing whitespace in Visual Studio 2008?
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Before saving you may be able to use the auto-format shortcut CTRL+K+D.
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...域名),Valid from,Valid to等信息以明文的形式写到证书里面，然后用一个指纹算法(SHA1或者MD5 )计算出这些数字证书内容的一个指纹(摘要)，并把指纹和指纹算法用自己的私钥D进行加密，然后和证书的内容一起发给Amazon.com。
Symantec(CA...
Format Date time in AngularJS
...short version) section of the documentation?
HTML
<div ng-controller="Ctrl2">
Date format: <input ng-model="format"> <hr/>
Current time is: <span my-current-time="format"></span>
</div>
JS
function Ctrl2($scope) {
$scope.format = 'M/d/yy h:mm:s...
AngularJS ng-if with multiple conditions
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JavaScript Code
function ctrl($scope){
$scope.call={state:['second','first','nothing','Never', 'Gonna', 'Give', 'You', 'Up']}
$scope.whatClassIsIt= function(someValue){
if(someValue=="first")
return "ClassA"
else if(someValue=...
Can I find out the return value before returning while debugging in Intellij?
...expression (in your case, the expression right after the "return") and hit CTRL + ALT + F8 (Quick Evaluate Expression). IntelliJ will pop up a little window showing you the value that will be returned.
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How to add a custom right-click menu to a webpage?
...lt;img src="path/to/image.gif" />
This is a menu option
<span>Ctrl + K</span>
</a>
We will put these in a div and show that div on the right-click. Let's style them like in Google Chrome, shall we?
#menu a {
display: block;
color: #555;
text-decoration: no[...]
No...
How do I clear/delete the current line in terminal?
...
You can use Ctrl+U to clear up to the beginning.
You can use Ctrl+W to delete just a word.
You can also use Ctrl+C to cancel.
If you want to keep the history, you can use Alt+Shift+# to make it a comment.
Bash Emacs Editing Mode Ch...