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How to escape special characters in building a JSON string?
...(though of course you will when manually editing, say, a JSON-based config file). Instead, form the data structure you want to encode using whatever native map, array, string, number, boolean, and null types your language has, and then encode it to JSON with a JSON-encoding function. Such a function...
Using the “animated circle” in an ImageView while loading stuff
...
Simply put this block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width...
Where does Scala look for implicits?
...ned in current scope
Explicit imports
wildcard imports
Same scope in other files
Now look at associated types in
Companion objects of a type
Implicit scope of an argument's type (2.9.1)
Implicit scope of type arguments (2.8.0)
Outer objects for nested types
Other dimensions
Let's give some exa...
Uses of content-disposition in an HTTP response header
I have found the following asp.net code to be very useful when serving files from a database:
6 Answers
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How to take screenshot of a div with JavaScript?
...
This is an expansion of @Dathan's answer, using html2canvas and FileSaver.js.
$(function() {
$("#btnSave").click(function() {
html2canvas($("#widget"), {
onrendered: function(canvas) {
theCanvas = canvas;
canvas.toBlob(function(...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...dern implementations with register renaming onto a large physical register file can keep many instructions in flight, but lack of architectural registers was still a significant weakness for 32-bit x86. x86-64's increase from 8 to 16 integer and vector registers is one of the biggest factors in 64b...
How to find the installed pandas version
...das as pd >>> pd.__version__ Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: module 'pandas' has no attribute '__version__'
– jangorecki
May 26 '18 at 10:38
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Why are only final variables accessible in anonymous class?
...ls or jvms yet, but we do know, that the compiler creates a separate class file for each inner class and it has to make sure, that the methods declared on this class file (on byte code level) at least have access to the values of local variables.
(Jon has the complete answer - I keep this one undel...
What's the difference between Unicode and UTF-8? [duplicate]
...g the text. UTF-8
is only one of the many ways that you
can encode the files because there are
many ways you can encode the
characters inside a file into Unicode.
Source:
http://www.differencebetween.net/technology/difference-between-unicode-and-utf-8/
...
How do I create delegates in Objective-C?
...is great, but if you're looking for a 1 minute answer try this:
MyClass.h file should look like this (add delegate lines with comments!)
#import <BlaClass/BlaClass.h>
@class MyClass; //define class, so protocol can see MyClass
@protocol MyClassDelegate <NSObject> //defin...