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Django filter versus get for single object?
... the party, but with Django 1.6 there is the first() method on querysets.
https://docs.djangoproject.com/en/dev/ref/models/querysets/#django.db.models.query.QuerySet.first
Returns the first object matched by the queryset, or None if there is no matching object. If the QuerySet has no ordering...
Match whitespace but not newlines
...OINER
U+2060 WORD JOINER
U+FEFF ZERO WIDTH NON-BREAKING SPACE
Taken from https://en.wikipedia.org/wiki/White-space_character
The aforementioned Mongolian vowel separator isn't included for what is probably a good reason. It, along with 200C and 200D, occur within words (AFAIK), and therefore bre...
jQuery counting elements by class - what is the best way to implement this?
What I'm trying to do is to count all of the elements in the current page with the same class and then I'm going to use it to be added onto a name for an input form. Basically I'm allowing users to click on a <span> and then by doing so add another one for more of the same type of items. But...
What exactly is a C pointer if not a memory address?
In a reputable source about C, the following information is given after discussing the & operator:
25 Answers
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Is a GUID unique 100% of the time?
...ade (for .NET) and how you could get the same guid in the right situation.
https://ericlippert.com/2012/04/24/guid-guide-part-one/
https://ericlippert.com/2012/04/30/guid-guide-part-two/
https://ericlippert.com/2012/05/07/guid-guide-part-three/
...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
... ((void *) -1))
return area;
#endif
#ifndef MAP_ANONYMOUS
/* https://dev.openwrt.org/ticket/322 */
# define MAP_ANONYMOUS MAP_ANON
#endif
#if USE_MMAP
*size = ROUNDUP(*size, PAGE_SIZE);
if ((area = mmap(0, *size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1,...
Replace spaces with dashes and make all letters lower-case
...S's answer is just fine, but I want to note that you can use this package: https://github.com/sindresorhus/slugify, which does it for you and covers many edge cases (i.e., German umlauts, Vietnamese, Arabic, Russian, Romanian, Turkish, etc.).
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Linux C++静态链接protobuf库异常中止 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...贝。但这是非常危险的。我不推荐它。
Google翻译自：https://stackoverflow.com/questions/33017985/static-linking-with-generated-protobufs-causes-abort
c++ protobuf
How can I get name of element with jQuery?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
mkdir -p functionality in Python [duplicate]
Is there a way to get functionality similar to mkdir -p on the shell from within Python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it?
...