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Easy way to test a URL for 404 in PHP?
... you are using PHP's curl bindings, you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = curl_exec($handle);
/* Check for 404 (file not found). */
$htt...
PHP PDO returning single row
... $stmt->execute(); $row = $stmt->fetch();
– low_rents
Jun 25 '14 at 9:16
2
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How to make a in Bootstrap look like a normal link in nav-tabs?
... not good (e.g. if you use "$link-decoration: underline !default;" in your _variables.scss). This should be probably noted by developers - perhaps this is not what they wanted to achieve. The link should be styled COMPLETELY as a button.
– Dmitry Somov
Apr 27 '...
Case insensitive replace
... the re.IGNORECASE option.
>>> import re
>>> insensitive_hippo = re.compile(re.escape('hippo'), re.IGNORECASE)
>>> insensitive_hippo.sub('giraffe', 'I want a hIPpo for my birthday')
'I want a giraffe for my birthday'
...
How to set a default value for an existing column
...
This will work in SQL Server:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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FFMPEG (libx264) “height not divisible by 2”
... is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multipl...
UITableView Setting some cells as “unselectable”
... edited May 14 '13 at 9:22
DD_
6,5791111 gold badges3535 silver badges6060 bronze badges
answered Aug 20 '10 at 11:49
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iOS 7 UIBarButton back button arrow color
...] setTintColor:[UIColor blackColor]];
Navigation bar contains subview of _UINavigationBarBackIndicatorView type (last item in subviews array) which represents arrow.
Result is navigation bar with different colors of back button arrow and back button title
...
How do I check if an element is really visible with JavaScript? [duplicate]
...umentElement.clientHeight,
rects = element.getClientRects(),
on_top = function(r) {
var x = (r.left + r.right)/2, y = (r.top + r.bottom)/2;
return document.elementFromPoint(x, y) === element;
};
for (var i = 0, l = rects.length; i < l; i++) {
var r = rects[...
Set Matplotlib colorbar size to match graph
...lso works without using subplots:
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1 import make_axes_locatable
import numpy as np
plt.figure()
ax = plt.gca()
im = ax.imshow(np.arange(100).reshape((10,10)))
# create an axes on the right side of ax. The width of cax will be 5%
# of ax an...