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How to capture UIView to UIImage without loss of quality on retina display
...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
Non greedy (reluctant) regex matching in sed?
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Is it possible to replace the separator with a string?
– Calculemus
Jun 25 '14 at 16:50
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Pass request headers in a jQuery AJAX GET call
...In the following block, "data" automatically passes the values in the querystring. Is there a way to pass that data in the request header instead ?
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JavaScript null check
... in JavaScript. However, it's always safe to test if the typeof(x) is the string "undefined", even if "x" is not a declared variable:
alert(typeof(x) === 'undefined'); // true
Also, variables can have the "undefined value" if they are not initialized:
var y;
alert(typeof(y) === 'undefined'); //...
using facebook sdk in Android studio
...android:style/Theme.Translucent.NoTitleBar"
android:label="@string/app_name" />
add following in activity_main.xml file :
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="mat...
Sending JWT token in the headers with Postman
...en. I just tried it out and it works for me.
Authorization: Bearer TOKEN_STRING
Each part of the JWT is a base64url encoded value.
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Convert PHP closing tag into comment
One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line.
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How can I create a temp file with a specific extension with .NET?
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Guaranteed to be (statistically) unique:
string fileName = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".csv";
(To quote from the wiki article on the probabilty of a collision:
...one's annual risk of being hit by a
meteorite is estimated to ...
AngularJS - Binding radio buttons to models with boolean values
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The correct approach in Angularjs is to use ng-value for non-string values of models.
Modify your code like this:
<label data-ng-repeat="choice in question.choices">
<input type="radio" name="response" data-ng-model="choice.isUserAnswer" data-ng-value="true" />
{{choi...
How to make sure that string is valid JSON using JSON.NET
I have a raw string. I just want to validate whether the string is valid JSON or not. I'm using JSON.NET.
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