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Differences between socket.io and websockets
...antly easier than using WebSocket which doesn't seem to be the case. See examples below.
The second misconception is that WebSocket is not widely supported in the browsers. See below for more info.
The third misconception is that Socket.IO downgrades the connection as a fallback on older browsers. I...
Conveniently Declaring Compile-Time Strings in C++
...emplate with user supplied indicies from 0 to N - a tool also useful for example to expand tuple into variadic template function's argument (see questions: How do I expand a tuple into variadic template function's arguments?
"unpacking" a tuple to call a matching function pointer)
namespace varia...
Looking for a clear definition of what a “tokenizer”, “parser” and...
...
A tokenizer breaks a stream of text into tokens, usually by looking for whitespace (tabs, spaces, new lines).
A lexer is basically a tokenizer, but it usually attaches extra context to the tokens -- this token is a number, that token is a string literal, this other token is a...
Using “label for” on radio buttons
...nswer is of course true, but Martha has the right answer. Both of Martha examples are perfectly valid HTML5. And for example if You want the whole thing to be in a frame, it is easier to style second one using css. If You want labels to be somewhere else, first one. But both are OK. Best regards!
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Do a “git export” (like “svn export”)?
...
Probably the simplest way to achieve this is with git archive. If you really need just the expanded tree you can do something like this.
git archive master | tar -x -C /somewhere/else
Most of the time that I need to 'export' something from git, I want a compressed archive in any case so I do s...
What's the best practice for putting multiple projects in a git repository? [closed]
...tory to use.
But I have multiple projects including java projects, php scripts and Android apps projects.
3 An...
Can you attach Amazon EBS to multiple instances?
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Multiple Web Servers accessing MySQL Server & File Server is normal in AWS. Some of the best practices to be followed for the above mentioned architecture are:
Point 1) MySQL on EC2 can be setup as Master-Slave in async/semi sync mode in AWS. EBS-OPT+PIOPS in RAID ...
Django Forms: if not valid, show form with error message
...}}</strong>
</div>
{% endfor %}
{% endif %}
An example:
def myView(request):
form = myForm(request.POST or None, request.FILES or None)
if request.method == 'POST':
if form.is_valid():
return HttpResponseRedirect('/thanks/')
return render(re...
Compiling simple Hello World program on OS X via command line
I've got a simple hello world example that I'm trying to compile on OS X, named hw.cpp :
8 Answers
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Why does sizeof(x++) not increment x?
..., in particular this would mean that in something like sizeof(int[++x]) (really, really a bad idea, anyhow) the ++ could be evaluated.
– Jens Gustedt
Nov 22 '11 at 12:01
3
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