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What is the best collation to use for MySQL with PHP? [closed]
...ng characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format.
utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additi...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
...nal
Write or paste in: defaults write org.R-project.R force.LANG en_US.UTF-8
Close Terminal (including any RStudio window)
Start R
For someone runs R in a docker environment (under root), try to run R with below command,
LC_ALL=C.UTF-8 R
# instead of just `R`
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Searching for UUIDs in text with regex
...tly I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
16 Answers
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
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How to get whole and decimal part of a number?
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180
$n = 1.25;
$whole = floor($n); // 1
$fraction = $n - $whole; // .25
Then compare against...
What is the memory consumption of an object in Java?
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183
Mindprod points out that this is not a straightforward question to answer:
A JVM is free to...
How to delete multiple values from a vector?
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8 Answers
8
Active
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How to print (using cout) a number in binary form?
... value, then stream that to cout.
#include <bitset>
...
char a = -58;
std::bitset<8> x(a);
std::cout << x << '\n';
short c = -315;
std::bitset<16> y(c);
std::cout << y << '\n';
...
What is an unsigned char?
...s, use:
signed char, which gives you at least the -127 to 127 range. (-128 to 127 is common)
unsigned char, which gives you at least the 0 to 255 range.
"At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is requi...
Programmatically obtain the Android API level of a device?
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edited Oct 7 '18 at 18:00
Vivek
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ans...