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Objective-C ARC: strong vs retain and weak vs assign
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From the Transitioning to ARC Release Notes (the example in the section on property attributes).
// The following declaration is a synonym for: @property(retain) MyClass *myObject;
@property(strong) MyClass *myObject;
So strong is the sa...
File Upload using AngularJS
...arid/ng-file-upload - uses FileAPI/Flash as a fallback
And some other options:
https://github.com/nervgh/angular-file-upload/
https://github.com/uor/angular-file
https://github.com/twilson63/ngUpload
https://github.com/uploadcare/angular-uploadcare
One of these should fit your project, or may ...
JSON to pandas DataFrame
What I am trying to do is extract elevation data from a google maps API along a path specified by latitude and longitude coordinates as follows:
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How to convert JSON to CSV format and store in a variable
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A more elegant way to convert json to csv is to use the map function without any framework:
var json = json3.items
var fields = Object.keys(json[0])
var replacer = function(key, value) { return value === null ? '' : value }
var csv = json.map(function(row){
return fields.map(function(f...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ao-air:lua chenhao$ lua
Lua 5.2.2 Copyright (C) 1994-2013 Lua.org, PUC-Rio
> print("Hello, World")
Hello, World
>
也可以把脚本存成一个文件，用如下命令行来运行。
1
>lua file.lua
或是像shell一样运...
Select all DIV text with single mouse click
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function selectText(containerid) {
if (document.selection) { // IE
var range = document.body.createTextRange();
range.moveToElementText(document.getElementById(containerid));
range.select();
} ...
How to send HTTP request in java? [duplicate]
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You can use java.net.HttpUrlConnection.
Example (from here), with improvements. Included in case of link rot:
public static String executePost(String targetURL, String urlParameters) {
HttpURLConnection connection = null;
try {
//Create connection
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Prevent BODY from scrolling when a modal is opened
...wn, and remove it when the modal is closed:
$("#myModal").on("show", function () {
$("body").addClass("modal-open");
}).on("hidden", function () {
$("body").removeClass("modal-open")
});
Update 11th march, 2013
Looks like the modal-open class will return in Bootstrap 3.0, explicitly for the p...
read subprocess stdout line by line
...ght the following would work, but the output doesn't show up in my application until the utility has produced a significant amount of output.
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What are the Dangers of Method Swizzling in Objective-C?
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I think this is a really great question, and it's a shame that rather than tackling the real question, most answers have skirted the issue and simply said not to use swizzling.
Using method sizzling is like using sharp knives in the kitchen. Some people are sc...