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What does git push -u mean?

...or you, linking your repo to a central one. That way, in the future, Git "knows" where you want to push to and where you want to pull from, so you can use git pull or git push without arguments. A little bit down, this article explains and demonstrates this concept. ...
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How can I determine if a .NET assembly was built for x86 or x64?

...e Windows on Windows environment on a 64-bit platform (WOW64). None: An unknown or unspecified combination of processor and bits-per-word. I'm using PowerShell in this example to call the method. share | ...
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Count number of rows within each group

... I don't know but this could be useful as well... df %>% group_by(group, variable) %>% mutate(count = n()) – Manoj Kumar Dec 14 '16 at 17:57 ...
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What are good alternatives to SQL (the language)? [closed]

...n or local methods in SQL. I looked up ScalaQuery from your post (which is now called Slick) and rewrote the entire system and every 6 queries become 1, just because you could encapsulate and have local methods! If anyone is suffering from SQL horrors, look up Scala Slick or Quill and prepare for en...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...ctor (since it's part of the class anyway). it's even WORSE, since you can now get a null return value, opening up for NREs and "what the hell does this null mean?" questions. – sara Dec 28 '15 at 9:44 ...
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How do I commit case-sensitive only filename changes in Git?

... Don't forget to give the full file path. Obvious, I know, but got me for a while – rickrizzo Aug 15 '17 at 16:03 9 ...
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What is a typedef enum in Objective-C?

...nd only declare it with the typedef name: typedef enum { ... } tagname; Now, in this case, we're declaring ShapeType to be a typedef'ed name of an anonymous enumeration. ShapeType is really just an integral type, and should only be used to declare variables which hold one of the values listed in...
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?

...g to Java 7 API docs cited in this answer, Arrays#Sort() for object arrays now uses TimSort, which is a hybrid of MergeSort and InsertionSort. On the other hand, Arrays#sort() for primitive arrays now uses Dual-Pivot QuickSort. These changes were implemented starting in Java SE 7. ...
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Python __call__ special method practical example

I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...
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How to make an ImageView with rounded corners?

...-memory issue, just like the original sample of Romain Guy. I still don't know what causes it, but just like his code, this is a really hard thing to find. If you can't see a crash from the app because of OOM, you can rotate the app multiple times till it occurs (depends on your device, ROM, etc...)...