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Double not (!!) operator in PHP
...applied twice. The right ! will result in a boolean, regardless of the operand. Then the left ! will negate that boolean.
This means that for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, emp...
Removing carriage return and new-line from the end of a string in c#
How do I remove the carriage return character (\r) and the new line character (\n) from the end of a string?
12 Answers
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What do I need to read to understand how git works? [closed]
I would like to understand the way git works from a architects point of view. How are files stored, how are versions kept and how do changes happen (branches, merges, etc.)?
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How to make custom error pages work in ASP.NET MVC 4
I want a custom error page shown for 500, 404 and 403. Here's what I have done:
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Version vs build in Xcode
I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
What is the reason for a red exclamation mark next to my project in Eclipse?
...ng Jars (eg your project configuration references a jar that isn't there), and that kind of thing, in the case of JDT, but obviously these days Eclipse can be used in so many ways, it could be anything.
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Eclipse git checkout (aka, revert)
...Staging" view, right click the deleted file in the "Unstaged Changes" list and select "Replace with HEAD Revision"
– Vlasta Dolejs
Sep 5 '17 at 8:03
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Populate XDocument from String
I'm working on a little something and I am trying to figure out whether I can load an XDocument from a string. XDocument.Load() seems to take the string passed to it as a path to a physical XML file.
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SignalR: Why choose Hub vs. Persistent Connection?
I've been searching and reading up on SignalR recently and, while I see a lot of explanation of what the difference is between Hubs and Persistent Connections I haven't been able to get my head around the next level, which is why would I choose one approach over the other?
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How can I open a Shell inside a Vim Window?
I can open a shell by using the :shell command in Vim, however I can't edit a file and at the same time use the shell.
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