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FileSystemWatcher Changed event is raised twice
...ged eventhandler to handle the event. I am using the NotifyFilters.LastWriteTime but still the event is getting fired twice. Here is the code.
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How to change an element's title attribute using jQuery
I have an form input element and want to change its title attribute. This has to be easy as pie, but for some reason I cannot find how to do this. How is this done, and where and how should I be searching on how to do this?
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Send attachments with PHP Mail()?
I need to send a pdf with mail, is it possible?
14 Answers
14
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Merging dictionaries in C#
...r.Value);
That will throw an exception if you get any duplicate keys.
EDIT: If you use ToLookup then you'll get a lookup which can have multiple values per key. You could then convert that to a dictionary:
var result = dictionaries.SelectMany(dict => dict)
.ToLookup(p...
Check if PHP session has already started
...follow
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edited Dec 5 '18 at 17:27
answered Aug 30 '13 at 22:20
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Exploring Docker container's file system
I've noticed with docker that I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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Catch an exception thrown by an async void method
Using the async CTP from Microsoft for .NET,
is it possible to catch an exception thrown by an async method in the calling method?
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What is the best way to prevent session hijacking?
...e session value will have zero effect. The session cookie is already an arbitrary value, encrypting it will just generate another arbitrary value that can be sniffed.
The only real solution is HTTPS. If you don't want to do SSL on your whole site (maybe you have performance concerns), you might be ...
Memoization in Haskell?
...GE BangPatterns #-}
import Data.Function (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get ...
Jump to function definition in vim
How can I jump to to a function definition using vim? For example with Visual Assist, I can type Alt + g under a function and it opens a context menu listing the files with definitions.
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