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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...ve a
# "link back" if you need
You must also put a unique constraint on the foreign key column (addess.student_id) to prevent multiple rows in the child table (address) from relating to the same row in the referenced table (student).
One-to-...
Ignore outliers in ggplot2 boxplot
...To get equal limits around the mean you could use ylim + c(-0.05, 0.05) * diff(ylim) / 2. Prettier in my opinion.
– Bram Visser
Mar 24 '15 at 3:18
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Union of dict objects in Python [duplicate]
...t objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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How can I change UIButton title color?
...ame setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
Swift 2
buttonName.setTitleColor(UIColor.blackColor(), forState: .Normal)
Swift 3
buttonName.setTitleColor(UIColor.white, for: .normal)
Thanks to richardchildan
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How to convert std::string to LPCWSTR in C++ (Unicode)
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If you use std::vector<wchar_t> to create storage for buf, then if anything throws an exception your temporary buffer will be freed.
– Jason Harrison
Jan 6 '10 at 19:01
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
...00
EDIT:
To avoid a SettingWithCopyWarning, use the built in column-specific functionality:
df.fillna({1:0}, inplace=True)
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Why can I use a function before it's defined in JavaScript?
This code always works, even in different browsers:
7 Answers
7
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Retrieve list of tasks in a queue in Celery
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When specifying the worker I had to use a list as argument: inspect(['celery@Flatty']). Huge speed improvement over inspect().
– Adversus
Dec 14 '15 at 12:46
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How to remove underline from a name on hover
...le just need this type of style one or two times. I don't see the time justified by creating a separate style sheet even the separation makes a good practise.
– user3454439
Dec 19 '16 at 3:40
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Java reflection - impact of setAccessible(true)
... the accessibility back to its original state is not needed.
However...
If you want your calls to field.setAccessible(true) to be persistent you need to use underlying methods in java.lang.Class and java.lang.reflect.Field. The public facing methods send you copies of the Field instance, so it "f...