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关于App Inventor 2过程积木，被问最多的6个问题 - App应用开发 - 清泛IT社...
...社区和技术群时发现一个有意思的现象：很多新手能熟练使用变量、循环、条件判断，但一提到"过程"（Procedures）就发怵——"感觉用不上""加了参数就搞不懂""不知道什么时候该用过程"。<br><br>其实过程（有的地方也叫"函数"或"...
Delete specific line number(s) from a text file using sed?
...ree with "symptom of an antipattern". Markup-based file types (e.g. XML or JSON) require specific lines at the end in order to be valid files. In that case, it's often the most reasonable approach to remove those lines, put into the file what you want to be added and then re-add those lines, because...
App Inventor 2 考勤系统教程 - 定位打卡与二维码签到 · App Inventor 2 中文网
...
增大打卡范围（如200-500米）
结合WiFi验证
使用高精度定位模式
LocationSensor的 ProviderName 设为 “gps”
Q2: 室内GPS信号弱？
结合WiFi辅助判断
使用蓝牙信标（需要扩展）
允许手动输入+管理员...
What are the differences between the urllib, urllib2, urllib3 and requests module?
...tp://www.mywebsite.com/user', data=userdata)
Plus it even has a built in JSON decoder (again, I know json.loads() isn't a lot more to write, but this sure is convenient):
resp.json()
Or if your response data is just text, use:
resp.text
This is just the tip of the iceberg. This is the list o...
HTML5 Local Storage fallback solutions [closed]
... data along with their appropriate data types by encoding said data into a JSON string, which can then be decoded using a JSON encode/decode library such as https://github.com/douglascrockford/JSON-js
var BrowserStorage = (function() {
/**
* Whether the current browser supports local stora...
What is the cleanest way to get the progress of JQuery ajax request?
... is received
es.addEventListener('message', function(e) {
var result = JSON.parse( e.data );
console.log(result.message);
if(e.lastEventId == 'CLOSE') {
console.log('closed');
es.close();
var pBar = document.getElementById('progressor');
pBar.valu...
扫码寻宝 · App Inventor 2 中文网
...显示出来。
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4 项
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How to move Jenkins from one PC to another
...plugin migration:
GET request: {SOURCE_JENKINS_SERVER}/pluginManager/api/json?depth=1 will get you the list of plugins installed with their version.
You can send a POST request with the following parameters to install these plugins.
final_url=`{DESTINATION_JENKINS_SERVER}/pluginManager/installNec...
AngularJS: how to implement a simple file upload with multipart form?
...rt form post from AngularJS to a node.js server,
the form should contain a JSON object in one part and an image in the other part,
(I'm currently posting only the JSON object with $resource)
...
browser sessionStorage. share between tabs?
...he sessionStorage -> send it
localStorage.setItem('sessionStorage', JSON.stringify(sessionStorage));
// the other tab should now have it, so we're done with it.
localStorage.removeItem('sessionStorage'); // <- could do short timeout as well.
} else if (event.key == 'sessionStorag...