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Go Error Handling Techniques [closed]
...agree.
– Waterlink
Jan 18 '16 at 19:32
3
Pike: "But remember: Whatever you do, always check your ...
Initialize class fields in constructor or at declaration?
...
kokoskokos
39.8k55 gold badges3232 silver badges3232 bronze badges
4
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Can media queries resize based on a div element instead of the screen?
I would like to use media queries to resize elements based on the size of a div element they are in. I cannot use the screen size as the div is just used like a widget within the webpage, and its size can vary.
...
Proper Repository Pattern Design in PHP?
...ters, validation, whatever.
class User
{
public $id;
public $first_name;
public $last_name;
public $gender;
public $email;
public $password;
}
Repository Interface
Before I create my user repository, I want to create my repository interface. This will define the "contract...
Detect if a NumPy array contains at least one non-numeric value?
...ue
%timeit any_nans(array1M) # 470us
%timeit np.isnan(array1M).any() # 532us
The early-exit method is 3 orders or magnitude speedup (in some cases).
Not too shabby for a simple annotation.
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ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
...
Resize image in PHP
...k with images.
With GD, for example, it's as simple as...
function resize_image($file, $w, $h, $crop=FALSE) {
list($width, $height) = getimagesize($file);
$r = $width / $height;
if ($crop) {
if ($width > $height) {
$width = ceil($width-($width*abs($r-$w/$h)));
...
How can I show hidden files (starting with period) in NERDTree?
... James FassettJames Fassett
35.2k1111 gold badges3232 silver badges4343 bronze badges
...
Why are floating point numbers inaccurate?
...
Seeing the Data
First, a few functions to see the components that make a 32- and 64-bit float. Gloss over these if you only care about the output (example in Python):
def float_to_bin_parts(number, bits=64):
if bits == 32: # single precision
int_pack = 'I'
float_...
JPA and Hibernate - Criteria vs. JPQL or HQL
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32
HQL is much easier to read, easier to debug using tools like the Eclipse Hibernate plugin, and ...