大约有 15,481 项符合查询结果（耗时：0.0236秒） [XML]
Calling a parent window function from an iframe
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and what about testing this in localhost? any workaround for that?
– Umesh Awasthi
Jun 19 '12 at 17:09
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Adding a user to a group in django
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Here's how to do this in modern versions of Django (tested in Django 1.7):
from django.contrib.auth.models import Group
group = Group.objects.get(name='groupname')
user.groups.add(group)
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Import CSV file into SQL Server
... run the package.
The above was found on this website (I have used it and tested):
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Setting the correct encoding when piping stdout in Python
... only unicode breaks a lot of libraries that expect it to accept encoded bytestrings.
– nosklo
Dec 4 '09 at 19:14
6
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Java's final vs. C++'s const
...s. E.g.:
class Foo {
public:
void bar();
void foo() const;
};
void test(const Foo& i) {
i.foo(); //fine
i.bar(); //error
}
Values can be assigned, once, later in Java only e.g.:
public class Foo {
void bar() {
final int a;
a = 10;
}
}
is legal in Java, but no...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...-1]
df = df.iloc[ np.unique( df.index.values, return_index = True )[1] ]
Tests: 10k loops using OP's data
numpy method - 3.03 seconds
df.loc[~df.index.duplicated(keep='first')] - 4.43 seconds
df.groupby(df.index).first() - 21 seconds
reset_index() method - 29 seconds
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Setting transparent images background in IrfanView
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Based on my tests, this actually seems to be the easiest and most effective solution to saved icons missing transparency. Just make sure you click "options" like @Annalisa says, and not "Advanced"
– Eric Hepperle - ...
New lines inside paragraph in README.md
...o empty lines are a new paragraph (same as here in stackoverflow)
You can test it with http://prose.io
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Using sed, how do you print the first 'N' characters of a line?
... N+1 characters up to the end of line:
$ sed 's/.//5g' <<< "defn-test"
defn
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How do I redirect output to a variable in shell? [duplicate]
...te process forks. That another reason that I had to add parenthesis. echo "test" | (read ROLE_X; echo $ROLE_X ) Read more about this forking at stackoverflow.com/a/13764018/117471
– Bruno Bronosky
Apr 7 '15 at 21:10
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