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TCP vs UDP on video stream
I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...
npm can't find package.json
... for the tutorial - in this case the package.json is in the dir you cloned from git in the prior step (docs.angularjs.org/tutorial)
– Kevin Hooke
Sep 30 '14 at 21:32
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How to use `string.startsWith()` method ignoring the case?
...true, 0, needle, 0, 5)); // true
It checks whether the region of needle from index 0 till length 5 is present in haystack starting from index 0 till length 5 or not. The first argument is true, means it will do case-insensitive matching.
And if only you are a big fan of Regex, you can do somet...
Can (domain name) subdomains have an underscore “_” in it?
...with an underscore in it. So, even tho domains could also have underscores from a DNS syntax point of view, you will never encounter any, unless it's a local one.
– Capsule
Mar 17 '17 at 1:11
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ScalaTest in sbt: is there a way to run a single test without tags?
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Just to clarify, if you run it from the command line, it should be as single argument: sbt "testOnly *MySuite -- -z foo"
– Sogartar
Jan 11 '17 at 17:17
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make_unique and perfect forwarding
...an simply be a class instead of function. For example, see my blog article from May 2010. It's also linked to from the discussion on Herb's blog.
– Cheers and hth. - Alf
May 12 '12 at 13:42
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Using grep to search for a string that has a dot in it
... you'll need to use \\. for bash too, or use "\." to escape it from the shell.
– Tomofumi
Aug 9 '17 at 7:39
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print call stack in C or C++
...urns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's backtrace_symbols(3).
Pay attention to the notes section in backtrace(3):
The symbol names may be unavailable
without the use of spec...
Difference between 'struct' and 'typedef struct' in C++?
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In C++, there is only a subtle difference. It's a holdover from C, in which it makes a difference.
The C language standard (C89 §3.1.2.3, C99 §6.2.3, and C11 §6.2.3) mandates separate namespaces for different categories of identifiers, including tag identifiers (for struct/union/...
Python __call__ special method practical example
...e to use the functions in a similar fashion to the hashlib.foo functions:
from filehash import sha1
print sha1('somefile.txt')
Of course I could have implemented it a different way, but in this case it seemed like a simple approach.
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