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How to initialize a dict with keys from a list and empty value in Python?
I'd like to get from this:
6 Answers
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Truncate number to two decimal places without rounding
Suppose I have a value of 15.7784514, I want to display it 15.77 with no rounding.
36 Answers
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Uri to default sound notification?
I use the Notification.Builder to build a notification.
Now I want to use the default sound notification with:
7 Answers
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How can I handle the warning of file_get_contents() function in PHP?
I wrote a PHP code like this
19 Answers
19
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Why doesn't indexOf work on an array IE8?
The below function works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
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What is causing this ActiveRecord::ReadOnlyRecord error?
This follows this prior question, which was answered. I actually discovered I could remove a join from that query, so now the working query is
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Preserve Line Breaks From TextArea When Writing To MySQL
I'm using a textarea to enable users to input comments. However, if the users enters new lines, the new lines don't appear when they are outputted. Is there any way to make the line breaks stay.
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Bash/sh - difference between && and ;
I normally use ; to combine more than one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
Is there anything like .NET's NotImplementedException in Java?
Is there anything like .NET's NotImplementedException in Java?
5 Answers
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