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What's the best practice to round a float to 2 decimals? [duplicate]
...s 0. Do you know how to show always sign and all (2) decimals?? Example: 2.1234 --> 2.12 but 2.1 --> 2.1 but no 2.10
– vgonisanz
Jan 18 '12 at 14:36
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Difference between toFixed() and toPrecision()?
...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3)
– djvg
Nov 28 '18 at 8:36
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Most lightweight way to create a random string and a random hexadecimal number
...t os,binascii
>>> print binascii.b2a_hex(os.urandom(15))
"c84766ca4a3ce52c3602bbf02ad1f7"
The advantage is that this gets randomness directly from the OS, which might be more secure and/or faster than the random(), and you don't have to seed it.
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Using regular expression in css?
...+\.?\d?)?\)|(#(\w|[\d]){3,8})|([\w]{3,8}(?=.*-))
Demo https://regexr.com/4a22i
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How can I convert a hex string to a byte array? [duplicate]
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68016101061B4A60193390662046804020422044204000420040402060226024676DB16 with this i am getting The binary key cannot have an odd number of digits
– Moeez
May 17 at 20:19
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How to match “any character” in regular expression?
... flag when compiling the expression:
Pattern pattern = Pattern.compile(".*123", Pattern.DOTALL);
Matcher matcher = pattern.matcher(inputStr);
boolean matchFound = matcher.matches();
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How does Zalgo text work?
... is then expected to conform to Unicode. And this is why we have e.g., U+1F4A9.
– Camilo Martin
Sep 22 '14 at 1:00
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Integer to hex string in C++
...gle byte because char is always threated as char
– ov7a
Feb 15 '16 at 9:36
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You also require #in...
How to get HTTP Response Code using Selenium WebDriver
... UTC - [Main Thread]: D/nsHttp nsHttpChannel::BeginConnect [this=000000BFF27A5000]
// 2017-11-02 14:14:01.170000 UTC - [Main Thread]: D/nsHttp host=api.ipify.org port=-1
// 2017-11-02 14:14:01.170000 UTC - [Main Thread]: D/nsHttp uri=https://api.ipify.org/?format=text
String patter...
Validate phone number with JavaScript
...fectly. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
26 Answers
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