大约有 20,000 项符合查询结果(耗时:0.0286秒) [XML]
Give all the permissions to a user on a DB
...son it doesn't seem to do anything. For exampe, I ran: grant ALL on schema test to userA; but after that userA still doesnt have access to read from the tables on schema test
– Diego
Mar 21 '14 at 9:32
...
Connecting to Azure website via FTP
... need to add a prefix.
Here, my username is "blabla", my website name is "test" ==> my FTP username is thus "test\blabla" (mind the backslash on windows) followed by the password I set on azure portal (no modification required)
here are the references from Azure:
why there are two credential...
Inheriting class methods from modules / mixins in Ruby
...
module ClassMethods
def bar2
'bar2'
end
end
end
class Test
include Foo
end
Test.new.bar1 # => "bar1"
Test.bar2 # => "bar2"
share
|
improve this answer
|
...
How to get the current time in milliseconds from C in Linux?
...
@vitaly.v.ch I did a test, passing the tz param of gettimeofday() as &(struct timezone tz = {480, 0}) won't get any warning, and it don't have any effect to the result, that makes sense, since the long representation of time is not relevant t...
Downloading a large file using curl
...
I tested it with a https, works great!!!, Thanks for you help @dynamic.
– Ozal Zarbaliyev
Jan 15 '19 at 13:14
...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...pply is generally not much faster than iterating over a Python list. Let's test the performance of a for-loop to do the same thing as above
%%timeit
A1, A2 = [], []
for val in df['a']:
A1.append(val**2)
A2.append(val**3)
df['A1'] = A1
df['A2'] = A2
298 ms ± 7.14 ms per loop (mean ± std....
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...y verbose, but functional.
import pandas as pd
import numpy as np
# Some test data frame
df = pd.DataFrame({'num_legs': [2, 4, np.nan, 0, np.nan],
'num_wings': [2, 0, np.nan, 0, 9],
'num_specimen_seen': [10, np.nan, 1, 8, np.nan]...
Use numpy array in shared memory for multiprocessing
...mport SharedArray as sa
# Create an array in shared memory
a = sa.create("test1", 10)
# Attach it as a different array. This can be done from another
# python interpreter as long as it runs on the same computer.
b = sa.attach("test1")
# See how they are actually sharing the same memory block
a[0]...
Multiple queries executed in java in single statement
...rejected at runtime with an SQLException.
String dbUrl = "jdbc:mysql:///test?allowMultiQueries=true";
Unless such instruction is passed, an SQLException is thrown.
You have to use execute( String sql ) or its other variants to fetch results of the query execution.
boolean hasMoreResultSet...
Automapper - how to map to constructor parameters instead of property setters
...rg1, etc));
...
using AutoMapper;
using NUnit.Framework;
namespace UnitTests
{
[TestFixture]
public class Tester
{
[Test]
public void Test_ConstructUsing()
{
Mapper.CreateMap<ObjectFrom, ObjectTo>()
.ConstructUsing(x => new...
