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Can I use a function for a default value in MySql?
...for an older version, but I saw somewhere that you can do this using the unhex() function. I tried it and it works. (maria db version 10.2)
You can do
.... column_name binary(16) not null default unhex(replace(uuid(),'-',''))
and it works. To see the uuid just do hex(column_name). ...
How do I create a unique ID in Java? [duplicate]
... String rand = UUID.randomUUID().toString();
return DigestUtils.sha1Hex(ts + rand);
}
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CSS opacity only to background color, not the text on it? [duplicate]
...s only:
If you don't like to set your colors using RGBA, but rather using HEX, there are solutions.
You could use a mixin like:
.transparentBackgroundColorMixin(@alpha,@color) {
background-color: rgba(red(@color), green(@color), blue(@color), @alpha);
}
And use it like:
.myClass {
.trans...
How to generate unique ID with node.js
...t crypto = require("crypto");
const id = crypto.randomBytes(16).toString("hex");
console.log(id); // => f9b327e70bbcf42494ccb28b2d98e00e
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What's the simplest way to print a Java array?
..., so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString() :
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Where is body in a nodejs http.get response?
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The other examples gave me what looked like hex values when I didn't included text with the chunk response. Setting the encoding displayed the JSON document I was looking for. Thank you!
– Collin McGuire
Dec 11 '13 at 6:50
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“unmappable character for encoding” warning in Java
... */ to your code, it will not compile anymore, because "nit" isn't correct hex number.
– Peter Štibraný
Jan 21 '09 at 11:25
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Mac OS X Terminal: Map option+delete to “backward delete word”
... could go to Preferences > Keys > add the Key Mapping ⌥⌫ to send hex codes 0x1B 0x7F. ????
– qix
May 17 '18 at 6:00
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Calculate a MD5 hash from a string
...ulate a MD5 hash from a string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
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What is the maximum value for an int32?
... 2,147,483,647 = 0x7FFFFFFF, if you wanna remember it, just use hex.
– roottraveller
Aug 13 '16 at 6:18
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