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Passing an enum value as command parameter from XAML
...flow.com%2fquestions%2f359699%2fpassing-an-enum-value-as-command-parameter-from-xaml%23new-answer', 'question_page');
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Pickle or json?
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Apart from security, JSON has the additional advantage that it makes migrations easy, so you can load data that was saved by an older version of your application. Meanwhile you could have added a field, or replaced a whole sub stru...
Change text from “Submit” on input tag
...in', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f14007613%2fchange-text-from-submit-on-input-tag%23new-answer', 'question_page');
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Github Windows 'Failed to sync this branch'
... of some conflicting changes. I removed the local repository of my project from my desktop and then cloned it again from the github website (using clone option in my account), the error was gone.
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Covariance and contravariance real world example
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Let's say you have a class Person and a class that derives from it, Teacher. You have some operations that take an IEnumerable<Person> as the argument. In your School class you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use th...
Converting a column within pandas dataframe from int to string
... This is appealing, but it is about 4x slower than apply(str) from @Jeff, in my test using pd.Series(np.arange(1000000)).
– John Zwinck
Aug 1 '16 at 22:01
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Editing screenshots in iTunes Connect after iOS app was approved
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Acutally new version of Developer Guide has an update from Sept 2010: Screenshots are now an unlocked metadata attribute and can be updated at any time
– Fraggle
Jan 20 '11 at 14:49
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Trying to fix line-endings with git filter-branch, but having no luck
...hat you don't have any modified files, then you can do this as follows.
# From the root of your repository remove everything from the index
git rm --cached -r .
# Change the autocrlf setting of the repository (you may want
# to use true on windows):
git config core.autocrlf input
# Re-add all t...
Find files and tar them (with spaces)
...a large number of files
Also see:
GNU tar manual
How can I build a tar from stdin?, search for null
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Inheritance vs. Aggregation [closed]
...ginal class in a root class and a sub class. And let the new class inherit from the root class. But you should take care with this, not to create an illogical separation.
Lets add an example. We have a class 'Dog' with methods: 'Eat', 'Walk', 'Bark', 'Play'.
class Dog
Eat;
Walk;
Bark;
Pla...