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How to use MySQL DECIMAL?
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You said "There is no way to create an "unsigned" DECIMAL column", yet your code example indicates "DECIMAL(6,4) UNSIGNED NOT NULL". Why is this?
– liang
Aug 6 '14 at 17:52
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How to deny access to a file in .htaccess
... the <Files> directive only applies to that directory (I guess to avoid confusion when rules/directives in the htaccess of subdirectories get applied superceding ones from the parent).
So you can have:
<Files "log.txt">
Order Allow,Deny
Deny from all
</Files>
For Apache 2...
How does generic lambda work in C++14?
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Unfortunately, they are not part of C++11 (http://ideone.com/NsqYuq):
auto glambda = [](auto a) { return a; };
int main() {}
With g++ 4.7:
prog.cpp:1:24: error: parameter declared ‘auto’
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However, the way it might be implemented in C++14 as per the Portland p...
Can an enum class be converted to the underlying type?
...t;>(e);
}
} // namespace util
enum SomeEnum : uint16_t { A, B };
void write(SomeEnum /*e*/) {
std::cout << "SomeEnum!\n";
}
void write(uint16_t /*v*/) {
std::cout << "uint16_t!\n";
}
int main(int argc, char* argv[]) {
SomeEnum e = B;
write(util::underlying_cast(...
Compare DATETIME and DATE ignoring time portion
...lso the BETWEEN operator doesn't work because it permits equality on both sides.
PS: Another means of extracting the date only (in older versions of SQL Server) is to use a trick of how the date is represented internally.
Cast the date as a float.
Truncate the fractional part
Cast the value back...
Python - abs vs fabs
...() and fabs() demonstrate similar speed.
In addition to what @aix has said, one more thing to consider is the speed difference:
In [1]: %timeit abs(-5)
10000000 loops, best of 3: 102 ns per loop
In [2]: import math
In [3]: %timeit math.fabs(-5)
10000000 loops, best of 3: 194 ns per loop
So ...
How to disable code formatting for some part of the code using comments?
I'd like to selectively disable the IntelliJ IDEA code formatter for a portion of code just like I can in Eclipse . Does IntelliJ support this feature, and if so, how do I use it?
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ReactJS render string with non-breaking spaces
... because of its abuse by phishing schemes. See kb.mozillazine.org/Network.IDN.blacklist_chars
– Perry Tew
Sep 15 '16 at 20:14
2
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python: Change the scripts working directory to the script's own directory
...Do not mingle code and data.
Data is precious. Code comes and goes.
Provide the working directory as a command-line argument value. You can provide a default as an environment variable. Don't deduce it (or guess at it)
Make it a required argument value and do this.
import sys
import os
workin...
Could you explain STA and MTA?
...ives notifications of calls to process by receiving a window message to a hidden window; when it makes an outbound call, it starts a modal message loop to prevent other window messages being processed. You can specify a message filter to be called, so that your application can respond to other messa...