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Prevent multiple instances of a given app in .NET?
In .NET, what's the best way to prevent multiple instances of an app from running at the same time? And if there's no "best" technique, what are some of the caveats to consider with each solution?
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Remove ':hover' CSS behavior from element
...to those you want to hover - alongside the test class. This isn't directly what you asked but without more context it feels like the best solution and is possibly the cleanest and simplest way of doing it.
Example:
.test { border: 0px; }
.testhover:hover { border: 1px solid red; }
<div ...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
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Thanks for detailed explanation. But what about versioning, I heard protobuf can handle that, what about other libraries and how it's usable in common? Also, it seems Avro now has IDL with C-like syntax in addition to JSON one.
– andreypopp...
How to send a message to a particular client with socket.io
... loved the solution, but I believe security is compromised here. What if I change the email in the script on the client side. Now I am able to read other private messages too. What are you saying?
– Gopinath Shiva
Mar 3 '16 at 4:03
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Importing CSV with line breaks in Excel 2007
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None of the suggested solutions worked for me.
What actually works (with any encoding):
Copy/paste data from csv-file (open in Editor), then perform "text in columns" --> does not work, all right.
Go to the next tab and copy/paste again (same thing what you have got ...
pretty-print JSON using JavaScript
...lid JSON str or it is already converted to an object... make sure you know what datatype your are dealing with before trying to JSON.parse
– Kolob Canyon
Apr 5 '17 at 0:16
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In git how is fetch different than pull and how is merge different than rebase?
...erform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled branch. A fetch does not advance your local branch.
merge vs rebase
Given the following history:
C---D---E local
/
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What is the EAFP principle in Python?
What is meant by "using the EAFP principle" in Python? Could you provide any examples?
3 Answers
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Objective-C categories in static library
...ibrary must pass the -ObjC option to the linker." which is the opposite of what's quoted above. We just confirmed that you have to include when linking the app and not the library itself.
– Ken Aspeslagh
Sep 16 '10 at 19:57
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Difference: std::runtime_error vs std::exception()
What is the difference between std::runtime_error and std::exception ? What is the appropriate use for each? Why are they different in the first place?
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