大约有 47,000 项符合查询结果（耗时：0.0422秒） [XML]
Simple proof that GUID is not unique [closed]
... Console.WriteLine("{0:u} - Building a bigHeapOGuids.", DateTime.Now);
// Fill up memory with guids.
var bigHeapOGuids = new HashSet<Guid>();
try
{
do
{
bigHeapOGuids.Add(Guid.NewGuid(...
Equation (expression) parser with precedence?
...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools.
Update:
People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
How to set initial value and auto increment in MySQL?
...ples that used these statements in a similar way, and they make more sense now. Thank you.
– Michael Hoffmann
Oct 21 '16 at 0:50
1
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How do I add multiple arguments to my custom template filter in a django template?
...want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if args is None:
return False
arg_list = [arg.strip() for arg in args.split(',')]...
Git: How to rebase to a specific commit?
...rebasing onto, and finally applying each change in turn. I tried it again now and seemed to work just fine.
– r0hitsharma
Jan 29 '15 at 9:53
1
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Issue pushing new code in Github
I created a new repository on Github which has only Readme.md file now.
14 Answers
14
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How can I get seconds since epoch in Javascript?
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Re: arcane magic: Per these docs, Javascript knows how to convert a Date object to a Number. This means that you can type Number(new Date()) to get a number, or even +(new Date()), or use any Date instance in a numerical context such as new Date()/1000 and Javascript wi...
Swift Beta performance: sorting arrays
...
tl;dr Swift 1.0 is now as fast as C by this benchmark using the default release optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
...
PSQLException: current transaction is aborted, commands ignored until end of transaction block
...tarted using Postgres... it's really annoying that Postgres does this, and now we have to be really rewrite a big bulk of our program that we are porting from Oracle to Postgres. Why isn't there an option like the first to make it behave like Oracle but without the auto-commit?
...
Java Security: Illegal key size or default parameters?
...ed a question about this earlier, but it didn't get answered right and led nowhere.
19 Answers
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