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How to implement Android Pull-to-Refresh
In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content.
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Find intersection of two nested lists?
...
You can use filter(set(c1).__contains__, sublist) for efficiency. btw, the advantage of this solution is that filter() preserves strings and tuples types.
– jfs
Mar 14 '09 at 10:46
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Use of undeclared identifier 'kUTTypeMovie'
... MobileCoreServices
Open Video Camera
@IBAction func openVideoCamera(_ sender: Any) {
if UIImagePickerController.isSourceTypeAvailable(.camera) {
let imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .camera
imageP...
Keep CMD open after BAT file executes
.../k did the magic for me. I actually used it for preparing cordova phonegap app it runs the command, shows the result and waits for the user to close it. Below is the simple example
start cmd /k echo Hello, World!
What I did use in my case
start cmd /k cordova prepare
Update
You could even hav...
Is there a timeout for idle PostgreSQL connections?
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It sounds like you have a connection leak in your application because it fails to close pooled connections. You aren't having issues just with <idle> in transaction sessions, but with too many connections overall.
Killing connections is not the right answer for that, ...
How can I convert an RGB image into grayscale in Python?
...ad('image.png')
gray = rgb2gray(img)
plt.imshow(gray, cmap=plt.get_cmap('gray'), vmin=0, vmax=1)
plt.show()
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How to use GROUP_CONCAT in a CONCAT in MySQL
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select id, group_concat(`Name` separator ',') as `ColumnName`
from
(
select
id,
concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name`
from mytbl
group by
id,
`Name`
) tbl
group by id;
You can see it i...
Converting PKCS#12 certificate into PEM using OpenSSL
...m" -passin pass:[password] -nodes
More info: http://www.openssl.org/docs/apps/pkcs12.html
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Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
...6800 +0100
@@ -26,7 +26,9 @@
titleHeight = 0, titleStr = '', start_pos, final_pos, busy = false, fx = $.extend($('<div/>')[0], { prop: 0 }),
- isIE6 = $.browser.msie && $.browser.version < 7 && !window.XMLHttpRequest,
+ isIE = !+"\v1",
+
+ ...
Sort array of objects by string property value
...ite your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last_nom) ? 1 :...