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How do you round a float to two decimal places in jruby
...wered Feb 28 '13 at 9:29
boulder_rubyboulder_ruby
31.7k66 gold badges6363 silver badges8888 bronze badges
...
Can I specify multiple users for myself in .gitconfig?
...
You should also unset GIT_AUTHOR_EMAIL and GIT_COMMITTER_EMAIL (and *_NAME) as they will override the local settings
– ACyclic
Sep 14 '12 at 9:58
...
Why won't my PHP app send a 404 error?
...
if (strstr($_SERVER['REQUEST_URI'],'index.php')){
header('HTTP/1.0 404 Not Found');
echo "<h1>404 Not Found</h1>";
echo "The page that you have requested could not be found.";
exit();
}
If you look at the la...
Can I change the checkbox size using CSS?
...box-shadow: 0 0 0.2em #3b88fd;
}
<input type="checkbox" name="checkbox_1" id="ee" checked />
<label for="ee">Checkbox small</label>
<br />
<input type="checkbox" name="checkbox_2" id="ff" />
<label for="ff">Checkbox small</label>
<hr />
...
Sending multipart/formdata with jQuery.ajax
...how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when using the file-input.
...
Execute the setInterval function without delay the first time
...interval with immediate execution
var myInterval = setIntervalImmediately( _ => {
console.log('hello');
}, 1000);
// clear interval after 4.5 seconds
setTimeout( _ => {
clearInterval(myInterval);
}, 4500);
To be cheeky, if you really need to use setInterval then you ...
What is Bit Masking?
...esult: 00000101b
Masking is implemented using AND, so in C we get:
uint8_t stuff(...) {
uint8_t mask = 0x0f; // 00001111b
uint8_t value = 0x55; // 01010101b
return mask & value;
}
Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high-...
How should I structure a Python package that contains Cython code
...od relies on the fact that building a .pyx file with Cython.Distutils.build_ext (at least with Cython version 0.14) always seems to create a .c file in the same directory as the source .pyx file.
Here is a cut-down version of setup.py which I hope shows the essentials:
from distutils.core import s...
Why can I not push_back a unique_ptr into a vector?
...
You need to move the unique_ptr:
vec.push_back(std::move(ptr2x));
unique_ptr guarantees that a single unique_ptr container has ownership of the held pointer. This means that you can't make copies of a unique_ptr (because then two unique_ptrs would ...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...on as illustrated below.
DECLARE @T TABLE
(
C1 VARCHAR(20) COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS,
C2 NVARCHAR(20)COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS
)
INSERT INTO @T
VALUES (N'中华人民共和国',N'中华人民共和国'),
(N'abc',N'abc')...