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How to find Array length inside the Handlebar templates?
I have a Handlebars template which is rendered using a json object. In this json I am sending an array. Like this:
4 Answer...
Why prefer two's complement over sign-and-magnitude for signed numbers?
I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
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What's the difference between detaching a Fragment and removing it?
In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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What is the difference between include and extend in Ruby?
Just getting my head around Ruby metaprogramming. The mixin/modules always manage to confuse me.
6 Answers
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UIButton Image + Text IOS
I need a UIButton with image & text . Image should be in the top & text comes under the image both should be clickable.
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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Windows batch: call more than one command in a FOR loop?
Is it possible in Windows batch file to call more than one command in a single FOR loop? Let's say for example I want to print the file name and after delete it:
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
I cannot figure out why this is giving me the error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif"
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How to get the class of the clicked element?
I can't figure it out how to get the class value of the clicked element.
6 Answers
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Sending websocket ping/pong frame from browser
I keep reading about ping/pong messages in websockets to keep the connection alive, but I'm not sure what they are. Is it a distinct frame type? (I don't see any methods on a javascript WebSocket object in chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" o...