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RegEx to parse or validate Base64 data
...ge we can use this regex
/^data:image/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Za-z0-9]|[+/])+={0,2}
private validBase64Image(base64Image: string): boolean {
const regex = /^data:image\/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Za-z0-9]|[+/])+={0,2}/;
...
Difference between “process.stdout.write” and “console.log” in node.js?
What is the difference between "process.stdout.write" and "console.log" in node.js?
8 Answers
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In Ruby, is there an Array method that combines 'select' and 'map'?
I have a Ruby array containing some string values. I need to:
14 Answers
14
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
....
This doesn't rely on DNS at all, and it works even if /etc/hosts is not set correctly (1 is shorthand for 1.0.0.0):
ip route get 1 | awk '{print $NF;exit}'
or avoiding awk and using Google's public DNS at 8.8.8.8 for obviousness:
ip route get 8.8.8.8 | head -1 | cut -d' ' -f8
A less reliabl...
Add unique constraint to combination of two columns
...o.BlockDuplicatesYourTable
ON dbo.YourTable
INSTEAD OF INSERT
AS
BEGIN
SET NOCOUNT ON;
IF NOT EXISTS (SELECT 1 FROM inserted AS i
INNER JOIN dbo.YourTable AS t
ON i.column1 = t.column1
AND i.column2 = t.column2
)
BEGIN
INSERT dbo.YourTable(column1, column2, ...)
SEL...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...
Notes
The algorithm can be applied very generally. I tweaked the above settings and tolerance values to the point where they work to produce generally correct colors for ~80% of the album covers I tested. A few edge cases occur when DominantColorsNew doesn't find two colors to return for the h...
Why declare unicode by string in python?
...
Thanks for the explanation! I'll set this as accepted since is the most complete one :)
– Oscar Carballal
Jul 3 '10 at 4:38
2
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Kill process by name?
I'm trying to kill a process (specifically iChat). On the command line, I use these commands:
15 Answers
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How to checkout in Git by date?
I am working on a regression in the source code. I'd like to tell Git: "checkout the source based on a parameterized date/time". Is this possible?
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Can I store the .git folder outside the files I want tracked?
...ree is and vice versa.
To let the repository know where the work tree is, set the configuration value core.worktree. To let the work tree know where it's git directory is, add a file named .git (not a folder!) and add a line like
gitdir: /path/to/repo.git
Since git 1.7.5 the init command learned...