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What are the differences between concepts and template constraints?
...To quickly summarise their meanings:
Constraint - A predicate over statically evaluable properties of a type. Purely syntactic requirements. Not a domain abstraction.
Axioms - Semantic requirements of types that are assumed to be true. Not statically checked.
Concepts - General, abstract requireme...
libpthread.so.0: error adding symbols: DSO missing from command line
...nd line after the object files being compiled:
gcc -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement -Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-pr...
Post Build exited with code 1
... a fine solution since we can see the log for actual issue if anything actually occurs.
– Naveen Kumar V
Sep 2 at 15:46
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
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You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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Which letter of the English alphabet takes up most pixels?
...n 'Arial Black' on my MacBook in Chrome, lowercase m is the widest, by a small margin.
– Earl Jenkins
Feb 14 '12 at 22:25
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Installing PG gem on OS X - failure to build native extension
It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me.
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How can I remove an element from a list, with lodash?
...eturn an element if the predicate is true. Your implementation will return all unwanted elements instead of those you want to keep
– Xeltor
Jun 14 '17 at 19:26
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What is sharding and why is it important?
... be possible to infer the appropriate shard membership easily and automatically, and query only the relevant shard.
Some more information about sharding:
Firstly, each database server is identical, having the same table structure. Secondly, the data records are logically split up in a sharded ...
Check for installed packages before running install.packages() [duplicate]
...h several users on different computers. One of its lines contains the install.packages("xtable") command.
16 Answers
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How to get HTTP Response Code using Selenium WebDriver
... the response code of a http request using Selenium and Chrome or Firefox. All you have to do is start either Chrome or Firefox in logging mode. I will show you some examples below.
java + Selenium + Chrome
Here is an example of java + Selenium + Chrome, but I guess that it can be done in any lang...