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How do I set a cookie on HttpClient's HttpRequestMessage
...
I've been chasing for several days an error in which requests sent with SendAsync did not send the cookie header; this helped me realize that, unless you set UseCookies = false in the Handler, it will not only use the CookieContainer, but also silently ignore any...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...ry is located on your root filesystem:
/dev/mapper/qz-root / ext3 errors=remount-ro,acl 0 1
Then remount it:
mount -oremount /
Now, use the following command to set the default ACL:
setfacl -dm u::rwx,g::rwx,o::r /shared/directory
All new files in /shared/directory should now get...
Why does an overridden function in the derived class hide other overloads of the base class?
...b)
{
a.copy(&b); // ok: copy Base part of b
b.copy(&a); // error: copy(Base*) is hidden by copy(Derived*)
}
Without this rule, b's state would be partially updated, leading to slicing.
This behavior was deemed undesirable when the language was designed. As a better approach, it wa...
What is the boundary in multipart/form-data?
...hment. Explicit provision of content-type as multipart/form-data throws an error. Because boundary is missing as it overrides the curl request of post man to server with content-type by appending the boundary which works fine.
See RFC1341 sec7.2 The Multipart Content-Type
...
Understanding reference counting with Cocoa and Objective-C
...ember to release any acquired resources inside of code is both tedious and error-prone. Objective-C introduces another concept aimed at making this much easier: Autorelease Pools. Autorelease pools are special objects that are installed on each thread. They are a fairly simple class, if you look up ...
CSS :after not adding content to certain elements
... since their HTML definitions do not allow any content. This is a category error. The syntax rules of a markup language do not restrict what you can do in CSS
To conclude, :after and :before are currently not usable for empty elements (except marginally for hr), but this is mainly due to implementa...
C++ templates Turing-complete?
... even has MPL aka (Meta Programming Library). But try debugging a compiler error in your template code and you will be in for a long hard ride.
But a good practical example of it being used for something useful:
Scott Meyers has been working extensions to the C++ language (I use the term loosely...
How to loop through file names returned by find?
...a line.
"If the failglob shell option is set, and no matches are found, an error message is printed and the command is not executed." (from Bash Manual above)
shell option globstar: "If set, the pattern ‘**’ used in a filename expansion context will match all files and zero or more directories a...
Reordering of commits
... rebase --continue to move on. These instructions are also provided by the error message printed when the conflict occurs.
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Create Generic method constraining T to an Enum
... MyEnum.Okay
Thing.GetEnumFromString("AnotherInvalid", 0); // compiler error, not an Enum
}
Unfortunately, this means having this part of your code written in MSIL instead of C#, with the only added benefit being that you're able to constrain this method by System.Enum. It's also kind of a bum...
