大约有 15,000 项符合查询结果（耗时：0.0355秒） [XML]
How would I run an async Task method synchronously?
...oResetEvent workItemsWaiting = new AutoResetEvent(false);
readonly Queue<Tuple<SendOrPostCallback, object>> items =
new Queue<Tuple<SendOrPostCallback, object>>();
public override void Send(SendOrPostCallback d, object state)
{
...
Web-scraping JavaScript page with Python
...Error: HTTPSConnectionPool(host='docs.python-requests.org', port=443): Max retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: TLSV1_ALERT_INTERNAL_ERROR] tlsv1 alert internal error (_ssl.c:1045)')))
– HuckIt
Apr 23 '19 at 16:01
...
Python: split a list based on a condition?
...sed
but not yet requested elements). To keep state, I use two double-ended
queues (deques):
from collections import deque
SplitSeq class takes care of the housekeeping:
class SplitSeq:
def __init__(self, condition, sequence):
self.cond = condition
self.goods = deque([])
...
Why is my git repository so big?
...(git rev-list --objects --all | \
cut -f1 -d' ' | \
git cat-file --batch-check | \
grep blob | \
sort -n -k 3 | \
tail -n40 | \
while read hash type size; do
echo -n "-e s/$hash/$size/p ";
done) | \
sort -n -k1
...
89076 images/screenshots/properties.png...
Linq to Entities - SQL “IN” clause
...fraid it's the only way to go right now.
Now well, that looks like this:
Queue<Guid> productIds = new Queue<Guid>(Products.Select(p => p.Key));
if(productIds.Count > 0)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("{0}.ProductId = Guid\'{1}\'", entities.Produ...
SQL Server - stop or break execution of a SQL script
...
No it only terminates until the next GO The next batch (after GO) will run as usual
– mortb
Mar 5 '13 at 15:46
2
...
Deleting a resource using http DELETE
So, given that the DELETE verb in Http is idempotent, when I issue the following request, what should happen the second (or third, or fourth, etc...)?
...
Difference between Observer, Pub/Sub, and Data Binding
...er of abstractions, usually involving some "middle man" (such as a message queue) who knows all parties, but the individual parties don't know about each other.
Data Binding, Redux
In many "MVC-like" patterns, the observable exposes some manner of "property changed notification" that also contains...
Visual Studio: Multiple post-build commands?
...
Important: When executing a batch file, you must use the "call" statement on order the following lines to be executed. If you don´t use "call", the execution goes into the .bat and doesn´t return to the following lines. Same as on DOS prompt.
e.g.:
...
优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
...; return $r;
}复制代码
这样做冲突率能有多高呢？我生成了5000万个券码，重复了20个，问题不大。接下来的问题是，如何把这批券码保存到数据库呢？因为重复难以避免，但冲突率又低的可怜，总不能为了20条冲突的数据去数据库...