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Modulo operation with negative numbers
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Based on the C99 Specification: a == (a / b) * b + a % b
We can write a function to calculate (a % b) == a - (a / b) * b!
int remainder(int a, int b)
{
return a - (a / b) * b;
}
For modulo operation, we can have the f...
Python Flask, how to set content type
... return Response(xml, mimetype='text/xml')
The actual Content-Type is based on the mimetype parameter and the charset (defaults to UTF-8).
Response (and request) objects are documented here: http://werkzeug.pocoo.org/docs/wrappers/
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How to create a custom exception type in Java? [duplicate]
...you only need a quick exception thrown with a message then you can use the base exception class on the spot
String word=reader.readLine();
if(word.contains(" "))
/*create custom exeception*/
throw new Exception("My one time exception with some message!");
}
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Align labels in form next to input
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this is marking fixed width, it should be dynamic, based on max label width.
– Samyak Jain
May 23 '19 at 17:21
add a comment
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How to use icons and symbols from “Font Awesome” on Native Android Application
...nd:fonticon:0.1.9'
}
Get demo on Google Play.
You can easily add font-based icon in your layout:
<com.shamanland.fonticon.FontIconView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/ic_android"
android:textSize="@dimen/icon_siz...
View not attached to window manager crash
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Based on @erakitin answer, but also compatible for Android versions < API level 17. Sadly Activity.isDestroyed() is only supported since API level 17, so if you're targeting an older API level just like me, you'll have to...
How do I create a new Swift project without using Storyboards?
... Xcode template:
Remove the key-value pair for key "Main storyboard file base name" from Info.plist.
Delete the storyboard file Main.storyboard.
As you can see in the first code snippet, instead of implicitly unwrapping an optional, I rather like the if let syntax for unwrapping the optional win...
How do I create a transparent Activity on Android?
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In my case, i have to set the theme on the runtime in java based on some conditions. So I created one theme in style (similar to other answers):
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="Theme.Transparent" parent="android:Theme">
<ite...
How can I clear an HTML file input with JavaScript?
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Unfortunately none of the above answers appear to cover all the bases - at least not with my testing with vanilla javascript.
.value = null appears to work on FireFox, Chome, Opera and IE11 (but not IE8/9/10)
.cloneNode (and .clone() in jQuery) on FireFox appears to copy the .value ove...
Alternative to iFrames with HTML5
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If you want to do this and control the server from which the base page or content is being served, you can use Cross Origin Resource Sharing (http://www.w3.org/TR/access-control/) to allow client-side JavaScript to load data into a <div> via XMLHttpRequest():
// I safely ignore ...