大约有 34,900 项符合查询结果（耗时：0.0386秒） [XML]
How to check if a list is empty in Python? [duplicate]
The API I'm working with can return empty [] lists.
3 Answers
3
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update columns values with column of another table based on condition [duplicate]
...
Something like this should do it :
UPDATE table1
SET table1.Price = table2.price
FROM table1 INNER JOIN table2 ON table1.id = table2.id
You can also try this:
UPDATE table1
SET price=(SELECT price FROM table2 WHERE tab...
“Parameter” vs “Argument” [duplicate]
I got parameter and argument kind of mixed up and did not really pay attention to when to use one and when to use the other.
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How can I change the remote/target repository URL on Windows? [duplicate]
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The easiest way to tweak this in my opinion (imho) is to edit the .git/config file in your repository. Look for the entry you messed up and just tweak the URL.
On my machine in a repo I regularly use it looks like this:
KidA% cat .git/config
[co...
How should I organize Python source code? [closed]
... getting started with Python (it's high time I give it a shot), and I'm looking for some best practices.
2 Answers
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IndexOf function in T-SQL
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CHARINDEX is what you are looking for
select CHARINDEX('@', 'someone@somewhere.com')
-----------
8
(1 row(s) affected)
-or-
select CHARINDEX('c', 'abcde')
-----------
3
(1 row(s) affected)
...
jquery variable syntax [duplicate]
...e. Some people prefer to put a dollar sign together with the variable to make a distinction between regular vars and jQuery objects.
example:
var self = 'some string';
var $self = 'another string';
These are declared as two different variables. It's like putting underscore before private variabl...
Ruby ampersand colon shortcut [duplicate]
In Ruby, I know that if I do:
2 Answers
2
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How do I create JavaScript array (JSON format) dynamically?
...},
{firstName: "Hagbard", lastName: "Celine", age: 44},
{firstName: "Karl", lastName: "Koch", age: 42},
];
with for...in
var employees = {
accounting: []
};
for(var i in someData) {
var item = someData[i];
employees.accounting.push({
"firstName" : item.firstN...
CSS “color” vs. “font-color”
Anyone know why CSS provides color for text, but does not have font-color or text-color ?
3 Answers
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