大约有 19,000 项符合查询结果(耗时:0.0346秒) [XML]
Random string generation with upper case letters and digits
...e:
>>> import string
>>> import random
>>> def id_generator(size=6, chars=string.ascii_uppercase + string.digits):
... return ''.join(random.choice(chars) for _ in range(size))
...
>>> id_generator()
'G5G74W'
>>> id_generator(3, "6793YUIO")
'Y3U'
Ho...
json_encode is returning NULL?
...as having the same problem here. I had values with non-utf8 chars like "Validação de Formulários". I know this question is a little bit old now, but that's the awesomeness of internet!!
– fabio
Feb 11 '11 at 23:23
...
Using CSS :before and :after pseudo-elements with inline CSS?
... they're defined on, and not to any pseudo-elements it generates.
As an aside, the main difference between pseudo-elements and pseudo-classes in this aspect is that properties that are inherited by default will be inherited by :before and :after from the generating element, whereas pseudo-class sty...
How to save an image to localStorage and display it on the next page?
...also needs this problem solved:
Firstly, I grab my image with getElementByID, and save the image as a Base64. Then I save the Base64 string as my localStorage value.
bannerImage = document.getElementById('bannerImg');
imgData = getBase64Image(bannerImage);
localStorage.setItem("imgData", imgData);...
Section vs Article HTML5
I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
How to wait until an element exists?
...ationObserver api a bit complex so I've built a library, arrive.js, to provide a simpler api to listen for elements creation/removal.
– Uzair Farooq
Apr 17 '14 at 18:23
16
...
Are there strongly-typed collections in Objective-C?
...own classes:
@interface GenericsTest<__covariant T> : NSObject
-(void)genericMethod:(T)object;
@end
@implementation GenericsTest
-(void)genericMethod:(id)object {}
@end
Objective-C will behave like it did before with compiler warnings.
GenericsTest<NSString*>* test = [GenericsTe...
How do you debug MySQL stored procedures?
...
This doesn't seem to work for FUNCTIONS and I have no idea why. It always gives "Error Code: 1415. Not allowed to return a result set from a function". Is there any recourse?
– Patrick M
Jul 28 '15 at 21:29
...
Javascript : natural sort of alphanumerical strings
...s, it is better to create an Intl.Collator object and use the function provided by its compare property. Docs link
var collator = new Intl.Collator(undefined, {numeric: true, sensitivity: 'base'});
var myArray = ['1_Document', '11_Document', '2_Document'];
console.log(myArray.sort(collator.c...
Gridview height gets cut
I'm trying to display 8 items inside a gridview. Sadly, the gridview height is always too little, so that it only shows the first row, and a little part of the second.
...