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How ViewBag in ASP.NET MVC works

... properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work? 7 Answers ...
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Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt

... Within the package there is a class called JwtSecurityTokenHandler which derives from System.IdentityModel.Tokens.SecurityTokenHandler. In WIF this is the core class for deserialising and serialising security tokens. The class has a ReadToken(String) method tha...
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Extract subset of key-value pairs from Python dictionary object?

... If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations: {k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}} ...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

... Copying the content from the above link for quick reference: #define PEM_STRING_X509_OLD "X509 CERTIFICATE" #define PEM_STRING_X509 "CERTIFICATE" #define PEM_STRING_X509_PAIR "CERTIFICATE PAIR" #define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE" #define PEM_STRING_X509_REQ_OLD "NEW CERTI...
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What does @: (at symbol colon) mean in a Makefile?

...nd nothing gets done. For example (from Linux's scripts/Makefile.clean): __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif ifneq ($(strip $(clean-rule)),) +$(clean-rule) endif @: ...
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Which is the preferred way to concatenate a string in Python?

...b): 0.0132720470428 a.join(a): 0.114929914474 Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you have a string that's 100MB in memory?) But the real clincher is Python 2.3. Where I won't even show you the timings, because...
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CORS - How do 'preflight' an httprequest?

...t involves configuring the server responses to include the "Access-Control-Allow-Origin" header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working ...
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Remove duplicate entries using a Bash script [duplicate]

... Perl one-liner similar to @kev's awk solution: perl -ne 'print if ! $a{$_}++' input This variation removes trailing whitespace before comparing: perl -lne 's/\s*$//; print if ! $a{$_}++' input This variation edits the file in-place: perl -i -ne 'print if ! $a{$_}++' input This variation e...
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Reading header data in Ruby on Rails

..."Cookie"] New way: request.headers["HTTP_COOKIE"] To get a Hash with all headers of the request. request.headers share | improve this answer | follow |...
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Get raw POST body in Python Flask regardless of Content-Type header

... Use request.get_data() to get the raw data, regardless of content type. The data is cached and you can subsequently access request.data, request.json, request.form at will. If you access request.data first, it will call get_data with an ar...