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C++ valarray vs. vector
I like vectors a lot. They're nifty and fast. But I know this thing called a valarray exists. Why would I use a valarray instead of a vector? I know valarrays have some syntactic sugar, but other than that, when are they useful?
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Android Min SDK Version vs. Target SDK Version
When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same!
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Determine which JAR file a class is from
... answered Dec 31 '09 at 4:04
Chandra PatniChandra Patni
16.1k1010 gold badges4747 silver badges6161 bronze badges
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Difference between add(), replace(), and addToBackStack()
... This means that the transaction will be remembered after it is committed, and will reverse its operation when later popped off the stack.
2) fragmentTransaction.replace(int containerViewId, Fragment fragment, String tag)
Description - Replace an existing fragment that was added to a container. Th...
Modifying a subset of rows in a pandas dataframe
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To replace multiples columns convert to numpy array using .values:
df.loc[df.A==0, ['B', 'C']] = df.loc[df.A==0, ['B', 'C']].values / 2
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improv...
In c# what does 'where T : class' mean?
... answered Sep 24 '10 at 11:56
Andy RoseAndy Rose
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...ution. You don't have the validation benefits of the Probability property. And it doesn't fix everything because you also need to change Distance and Damage to non-anonymous properties otherwise it will not work. I prefer @Chris-Amelinckx s answer as a better solution.
– hwcver...
Notification click: activity already open
...certain activity if I click them. I want that, if I click the notification and the activity is already opened, it's not started again, but just brought to front.
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How do I remove the first characters of a specific column in a table?
...minately cuts off first 4 chars:update table set textField = (SELECT STUFF(CONVERT(VARCHAR(MAX), textField), 1, 4, '')) where activitytype='A' and approveddate > '2017-06-30' and textField not like '%The County1%' and textField not like '%The County2%' and abstract not like '%The County3%') and a...
Is it unnecessary to put super() in constructor?
... or protected or, if both classes are in the same package, package access; and
Default constructor: the public no-args constructor added by the compiler when there is no explicit constructor in the class.
So all classes have at least one constructor.
Subclasses constructors may specify as the fir...