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How to do Base64 encoding in node.js?
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Buffers can be used for taking a string or piece of data and doing base64 encoding of the result. For example:
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'base64').toStr...
Is it possible to rotate a drawable in the xml description?
...follows:
Note: Vector drawables are significantly smaller than images, so extra, explicit definitions don't incur much overhead, and makes for clear, explicit code (although I've read that hand modifying vector assets should be avoided, I'd rather deal with the overhead of updating a couple of file...
In where shall I use isset() and !empty()
I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
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#pragma once vs include guards? [duplicate]
...inks, network filesystems, and even name collision --try with a file named string.h or something like that--). Not taking into account speed, you could have a script that substituted any, say, %INCLUDE_GUARD% in a file for an automatically-managed guard symbol; you would write headers as header.hpp....
How do I install from a local cache with pip?
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pip wheel is an excellent option that does what you want with the extra feature of pre-compiling the packages. From the official docs:
Build wheels for a requirement (and all its dependencies):
$ pip wheel --wheel-dir=/tmp/wheelhouse SomePackage
Now your /tmp/wheelhouse directory...
Why is parenthesis in print voluntary in Python 2.7?
..., expr2, ... exprn
(Each expression in turn is evaluated, converted to a string and displayed with a space between them.)
But remember that putting parentheses around an expression is still the same expression.
So you can also write this as:
print (expr1), (expr2), ... (expr3)
This has nothin...
How to update PATH variable permanently from Windows command line?
...rom the command line ( cmd.exe ) and then execute echo %PATH% I see this string added to the PATH. If I close and open the command line, that new string is not in PATH.
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Table Naming Dilemma: Singular vs. Plural Names [closed]
...ers WHERE Customers.CustomerID = 100
You have saved 3 letters, 3 bytes, 3 extra keyboard hits :)
And finally, you can name those ones messing up with reserved names like:
User > LoginUser, AppUser, SystemUser, CMSUser,...
Or use the infamous square brackets [User]
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How to trim leading and trailing white spaces of a string?
...hich is the effective way to trim the leading and trailing white spaces of string variable in Go?
7 Answers
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How to generate a random string of a fixed length in Go?
I want a random string of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this?
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