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Why does .NET foreach loop throw NullRefException when collection is null?
So I frequently run into this situation... where Do.Something(...) returns a null collection, like so:
11 Answers
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The function to show current file's full path in mini buffer
I need to get the full path of the file that I'm editing with emacs.
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Can we make unsigned byte in Java
I am trying to convert a signed byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
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What is the use of the JavaScript 'bind' method?
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Bind creates a new function that will force the this inside the function to be the parameter passed to bind().
Here's an example that shows how to use bind to pass a member method around that has the correct this:
var myButton = {
content: 'OK',
click() {
console.log(this.content + ' cli...
SQL Server database backup restore on lower version
How to restore a higher version SQL Server database backup file onto a lower version SQL Server?
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Linux c++ error: undefined reference to 'dlopen'
I work in Linux with C++ (Eclipse), and want to use a library.
Eclipse shows me an error:
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How to pass parameters to a modal?
I want to pass the userName from a list of userName s a logged in user clicks on to twitter bootstrap modal .
I am using grails with angularjs , where data is rendered via angularjs .
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Could not execute editor
I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...
The import javax.servlet can't be resolved [duplicate]
I'm trying to use eclipse for Java EE to develop web applications.
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How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...