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How do I sort one vector based on values of another
...for each x
sort(order(y)[x]) #sorts by that order
y[sort(order(y)[x])] #converts orders back to numbers from orders
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How to make URL/Phone-clickable UILabel?
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Use UITextView instead of UILabel and it has a property to convert your text to hyperlink.
Objective-C:
yourTextView.editable = NO;
yourTextView.dataDetectorTypes = UIDataDetectorTypeAll;
Swift:
yourTextView.editable = false;
yourTextView.dataDetectorTypes = UIDataDetectorTypes...
Can I use view pager with views (not with fragments)
...tation is to just return the view as the key as well. FragmentPageAdapter handles all the key-to-view stuff for you and thus just asks you to create a fragment instead.
– themightyjon
Sep 7 '15 at 16:24
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Calculate a Running Total in SQL Server
...QL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS RunningTotal
FROM Table
SQL Server gi...
Escaping ampersand in URL
... must be percent-encoded. Percent-encoding
a reserved character involves converting the character to its
corresponding byte value in ASCII and then representing that value as
a pair of hexadecimal digits. The digits, preceded by a percent sign
("%") which is used as an escape character, are ...
Connecting overloaded signals and slots in Qt 5
... is that there are two signals with that name: QSpinBox::valueChanged(int) and QSpinBox::valueChanged(QString). From Qt 5.7, there are helper functions provided to select the desired overload, so you can write
connect(spinbox, qOverload<int>(&QSpinBox::valueChanged),
slider, &...
What is the purpose of willSet and didSet in Swift?
...seems to be that sometimes, you need a property that has automatic storage and some behavior, for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is mo...
What is the bit size of long on 64-bit Windows?
...o long ago, someone told me that long are not 64 bits on 64 bit machines and I should always use int . This did not make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-bit W...
SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
Automatic lock-modify-unlock
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Different versions of binary files cannot be merged. Therefore versioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measuresforces users to use property svn:...
How to check for file lock? [duplicate]
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No, unfortunately, and if you think about it, that information would be worthless anyway since the file could become locked the very next second (read: short timespan).
Why specifically do you need to know if the file is locked anyway? Knowing...