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Converting camel case to underscore case in ruby
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edited Jun 28 '14 at 17:23
Paweł Gościcki
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How to check whether an object is a date?
...te.getMonth === 'function'
you can use the instanceof operator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the ...
Clicking a button within a form causes page refresh
I have a form in Angular that has two buttons tags in it. One button submits the form on ng-click . The other button is purely for navigation using ng-click . However, when this second button is clicked, AngularJS is causing a page refresh which triggers a 404. I’ve dropped a breakpoint in the f...
Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...ng System.Linq; from this system class.
and also add using System.Data.Entity; to the code
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What is your single most favorite command-line trick using Bash? [closed]
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Renaming/moving files with suffixes quickly:
cp /home/foo/realllylongname.cpp{,-old}
This expands to:
cp /home/foo/realllylongname.cpp /home/foo/realllylongname.cpp-old
sh...
How to read a local text file?
I’m trying to write a simple text file reader by creating a function that takes in the file’s path and converts each line of text into a char array, but it’s not working.
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How to set DOM element as the first child?
I have element E and I'm appending some elements to it. All of a sudden, I find out that the next element should be the first child of E. What's the trick, how to do it? Method unshift doesn't work because E is an object, not array.
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
... Inserting indexes: (1 × number of indexes)
Closing: (1)
From this it should be obvious, that sending one large statement will save you an overhead of 7 per insert statement, which in further reading the text also says:
If you are inserting many rows from the same client at the same time...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
I am just starting to use RabbitMQ and AMQP in general.
12 Answers
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Round a double to 2 decimal places [duplicate]
If the value is 200.3456 , it should be formatted to 200.34 .
If it is 200 , then it should be 200.00 .
13 Answers
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