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Why does Convert.ToString(null) return a different value if you cast null?
...String(string s);
The C# compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference type. In this case string is more specific than object and hence it will be picked as the winner.
In the null as object you've so...
Redirect Windows cmd stdout and stderr to a single file
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If there is a Handle, there cannot be a space between the Handle (i.e. 2) and the redirect operator (i.e. >). Therefore 2> 2.txt works (or 2> &1) 2 > 2.txt does not; 2 > &1 does not.
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How to verify Facebook access token?
...in issue here is that using the me?access_token method is just plain wrong if the data is coming from the client side; since any site can fish for tokens then use them to authenticate into your site by accessing your api.
– srcspider
Jul 2 '15 at 11:09
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How to get multiple select box values using jQuery?
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what if u want to get Text 1 instead of value? replace .val() with .text()?
– Raza Ahmed
Sep 6 '13 at 6:17
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How to determine whether code is running in DEBUG / RELEASE build?
...t and clicking on the build settings tab. Search for DEBUG and look to see if indeed DEBUG is being set.
Pay attention though. You may see DEBUG changed to another variable name such as DEBUG_MODE.
then conditionally code for DEBUG in your source files
#ifdef DEBUG
// Something to log your se...
How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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How to give Jenkins more heap space when it´s started as a service under Windows?
...ter -Xmx with the size you want to the arguments-tag (or increase the size if its already there).
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What is the usefulness of `enable_shared_from_this`?
...;Y>(this);
}
}
The shared pointer that this returned will have a different reference count from the "proper" one, and one of them will end up losing and holding a dangling reference when the object is deleted.
enable_shared_from_this has become part of C++ 11 standard. You can also get it ...
Getting HTTP code in PHP using curl
I'm using CURL to get the status of a site, if it's up/down or redirecting to another site. I want to get it as streamlined as possible, but it's not working well.
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AngularJS - how to get an ngRepeat filtered result reference
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The problem with this approach is that if you watch the assigned property, you'll end up spamming $digests (one per iteration)... Maybe there's some way to avoid this?
– Juho Vepsäläinen
Dec 24 '13 at 12:17
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