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致PHP路上的“年轻人” - 杂谈 - 清泛网 - 专注C/C++及内核技术
致PHP路上的“年轻人”今晚在公司，又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题，比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻，但作...今晚在公司，又与一位刚做PHP工作一年的朋友聊了甚久。...
Traverse a list in reverse order in Python
...y the list use alist.reverse(); if you need a copy of the list in reversed order use alist[::-1].
– jfs
Feb 9 '09 at 19:27
97
...
multiprocessing.Pool: When to use apply, apply_async or map?
...ch as
[1, 0, 4, 9, 25, 16, 49, 36, 81, 64]
Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made.
So, if you need to run a function in a separate process, but want the current process to block until that function returns...
Quick easy way to migrate SQLite3 to MySQL? [closed]
...y's built a solid library that can convert between the two.
Here a list of ALL the differences in SQL syntax that I know about between the two file formats:
The lines starting with:
BEGIN TRANSACTION
COMMIT
sqlite_sequence
CREATE UNIQUE INDEX
are not used in MySQL
SQLite uses CREATE TABLE/INSERT ...
Django select only rows with duplicate field values
...ects.values('name')
.annotate(Count('id'))
.order_by()
.filter(id__count__gt=1)
This is as close as you can get with Django. The problem is that this will return a ValuesQuerySet with only name and count. However, you can then use this to construct a r...
Why use String.Format? [duplicate]
... You have {0} products in your basket.
3 Thank-you for your order. Your {0} will arrive in {1} working days.
vs:
_id _translation
1 Welcome
2 to
3 . Today is
4 .
5 You have
6 products in your basket.
7 ...
How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
11 Answers
11
...
How to check if two arrays are equal with JavaScript? [duplicate]
...if (a.length !== b.length) return false;
// If you don't care about the order of the elements inside
// the array, you should sort both arrays here.
// Please note that calling sort on an array will modify that array.
// you might want to clone your array first.
for (var i = 0; i < a....
Is there a way to provide named parameters in a function call in JavaScript?
... The only thing with this technique is the fact that you can't change the order of the parameters... I am personally fine with that though.
– Ray Perea
Jul 10 '14 at 20:11
14
...
NOT using repository pattern, use the ORM as is (EF)
... I have to write. I might as well write stored procedures. I don't want GetOrder, GetOrderWithOrderItem, GetOrderWithOrderItemWithOrderActivity, GetOrderByUserId, and so on... I just want to get the main entity and traverse and include the object graph as I so please.
Most examples of repositories ...