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What is the difference between varchar and varchar2 in Oracle?
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As for now, they are synonyms.
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never wil...
How to change the font on the TextView?
...ead more Roboto
EDIT 2
With the advent of Support Library 26, Android now supports custom fonts by
default. You can insert new fonts in res/fonts which can be set to TextViews individually either in XML or programmatically. The default font for the whole application can also be changed by de...
How to debug a Flask app
...rue) for the Werkzeug Debugger edit as mentioned below, and I should have known.
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Difference between numpy.array shape (R, 1) and (R,)
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1. The meaning of shapes in NumPy
You write, "I know literally it's list of numbers and list of lists where all list contains only a number" but that's a bit of an unhelpful way to think about it.
The best way to think about NumPy arrays is that they consist of two parts, ...
How to check if a number is a power of 2
...that
is, the result is true if and only if both its operands are true.
Now let's take a look at how this all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone ...
Fastest method to replace all instances of a character in a string [duplicate]
... "b", true);
// bb
"Hello???".replaceAll("?", "!");
// Hello!!!
Let me know if you can break it, or you have something better, but make sure it can pass these 4 tests.
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“Collection was mutated while being enumerated” on executeFetchRequest
I'm stuck on a problem for hours now and having read everything about this on stackoverflow (and apply every advices found), I'm now officially in need for help. ;o)
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Declaration/definition of variables locations in ObjectiveC?
...that (and not declare a property) is to create a private variable, you can now do that in the implementation file as well and this is the preferred way.
An @interface block in the implementation file is actually an Extension and can be used to forward declare methods (not needed anymore) and to (re...
Is there a way to chain multiple value converters in XAML?
...n't getting the credit you deserved (I'd accepted my own answer!), so I've now marked your answer as accepted. Only about 9 years late... :facepalm:
– Mal Ross
Aug 27 '19 at 13:54
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How to embed a text file in a .NET assembly?
...way I accessed the file names is by calling GetManifestResourceNames()
c. Now use a StreamReader() class to read to the end of file into a variable if that is what you want.
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