大约有 16,000 项符合查询结果（耗时：0.0370秒） [XML]
How do I remove/delete a folder that is not empty?
.../lib/python2.6/shutil.py", line 225, in rmtree onerror(os.rmdir, path, sys.exc_info()) File "/usr/lib/python2.6/shutil.py", line 223, in rmtree os.rmdir(path) OSError: [Errno 90] Directory not empty: '/path/to/rmtree'
– Clayton Hughes
Sep 14 '11 at 18...
How to urlencode a querystring in Python?
...
python3 -c "import urllib.parse, sys; print(urllib.parse.quote_plus(sys.argv[1])) "string to encode" for a one liner on the command line
– Amos Joshua
May 8 '19 at 12:19
...
How to detect if a stored procedure already exists
...together there's a problem with the company. Besides, properly implemented systems don't rely on user privilege to touch a database, that's what service accounts are for, and service level security should be applicable database-wide, this way DBAs don't have to spend time and money tweaking security...
Rename column SQL Server 2008
...some additional security to it.
IF EXISTS (
SELECT 1
FROM sys.columns
WHERE
name = 'OldColumnName' AND
object_name(object_id) = 'TableName'
) AND
NOT EXISTS (
SELECT 1
FROM sys.columns
WHERE
name = 'NewColum...
Convert a bitmap into a byte array
Using C#, is there a better way to convert a Windows Bitmap to a byte[] than saving to a temporary file and reading the result using a FileStream ?
...
JSON serialization of Google App Engine models
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A simple recursive function can be used to convert an entity (and any referents) to a nested dictionary that can be passed to simplejson:
import datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...hat there is no tangible difference between joining nvarchar to varchar vs converting nvarchar to varchar and joining to varchar. Unless of course you meant being consistent in column datatypes, not in joining.
– ajeh
Apr 12 '17 at 18:53
...
How to set environment variables in Jenkins?
...etely: cat app/build.gradle | grep "def majorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])'
– kenny_k
Jun 19 '15 at 6:52
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How to list all functions in a Python module?
I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it.
...
async await return Task
...int> and you'll return plain int not the Task<int>. Compiler will convert the int to Task<int> for you.
private async Task<int> MethodName()
{
await SomethingAsync();
return 42;//Note we return int not Task<int> and that compiles
}
Sameway, When you return Task&...