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nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
...ied just various other domains with and without hyphens, but no luck. Same error. what could be causing this? I also tried rebooting, I am really at a loss here. Any help would be greatly appreciated.
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Javascript “Uncaught TypeError: object is not a function” associativity question
...tely, the code
var a = new B(args)(stuff)()
does not result in a syntax error, so no ; will be inserted. (An example which can run is
var answer = new Function("x", "return x")(function(){return 42;})();
To avoid surprises like this, train yourself to always end a statement with ;.
* This i...
When should I use Debug.Assert()?
...to work backwards through the code to recreate the context that caused the error. An assertion can preserve the program's state at the time the error occurred.
Assertions double as documentation, telling other developers what implied assumptions your code depends on.
The dialog that appears when an ...
How can I use “sizeof” in a preprocessor macro?
...of(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you...
Pip install Matplotlib error with virtualenv
...
Same here. pip install matplotlib gave me error: IMPORTANT WARNING: pkg-config is not installed. matplotlib may not be able to find some of its dependencies. Freetype shows not installed. I just did brew install pkg-config and was able to get by.
...
print call stack in C or C++
...-O0 -no-pie -o boost_stacktrace.out -std=c++11 \
-Wall -Wextra -pedantic-errors boost_stacktrace.cpp -ldl
./boost_stacktrace.out
We have to add -ldl at the end or else compilation fails.
Output:
0# boost::stacktrace::basic_stacktrace<std::allocator<boost::stacktrace::frame> >::bas...
Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013
...
now I am getting a new error: the new version is Version=5.2.3.0 and it expects Version=4.0.0.0
– Yar
Mar 10 '16 at 15:52
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How do you convert a byte array to a hexadecimal string, and vice versa?
... (via CodesInChaos) (added to test repo by airbreather)
Text: 4,727.85 (105.2X)
Sentence: 0.28 (99.7X)
Lookup by byte (via CodesInChaos)
Text: 10,853.96 (45.8X faster)
Sentence: 0.65 (42.7X faster)
Byte Manipulation 2 (via CodesInChaos)
Text: 12,967.69 (38.4X faster)
Sentence: 0.73 (37.9X fa...
ValueError: invalid literal for int() with base 10: ''
...read. If that line is not empty it continues. However, I am getting this error:
18 Answers
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Email validation using jQuery
... few reasons.
You validated, ok great, now what? You need to display the error, handle erasing it when it is valid, displaying how many errors total perhaps? There are lots of things it can handle for you, no need to re-invent the wheel.
Also, another huge benefit is it's hosted on a CDN, the cu...