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Node.js check if file exists
...h.existsSync('foo.txt')) {
// do something
}
For Node.js v0.12.x and higher
Both path.exists and fs.exists have been deprecated
*Edit:
Changed: else if(err.code == 'ENOENT')
to: else if(err.code === 'ENOENT')
Linter complains about the double equals not being the triple equals.
Usin...
How to Apply global font to whole HTML document
I have a HTML page which includes some text and formatting. I want to make it have the same font-family and the same text-size ignoring all inner formatting of text.
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Reading CSV file and storing values into an array
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It's over 3 years later and this question is still helping someone. I feel bad that you didn't get an accept on this.
– AdamMc331
Aug 12 '14 at 17:50
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URL query parameters to dict python
Is there a way to parse a URL (with some python library) and return a python dictionary with the keys and values of a query parameters part of the URL?
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Is there any free OCR library for Android? [closed]
I'm looking for a Java OCR that runs on Android, however Asprise doesn't seem to be a platform independent OCR. is there any opensource/free Java OCR I can use for android application development?
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Can you use @Autowired with static fields?
...ou find old code doing this, it's an anti-pattern. Squint, tilt your head, and find a better way to solve the problem. You'll be glad you did.
– Joseph Lust
Apr 18 '13 at 18:05
2
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Regex doesn't work in String.matches()
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Welcome to Java's misnamed .matches() method... It tries and matches ALL the input. Unfortunately, other languages have followed suit :(
If you want to see if the regex matches an input text, use a Pattern, a Matcher and the .find() method of the matcher:
Pattern p = Pattern.comp...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
... below error when I execute the following script. What is the error about, and how it can be resolved?
21 Answers
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How can I round down a number in Javascript?
... by JavaScript - can be emulated by using Math.ceil() for negative numbers and Math.floor() for positive numbers.
+3.5 => +3.0 using Math.floor()
-3.5 => -3.0 using Math.ceil()
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impro...
How to get row from R data.frame
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10 years later ---> Using tidyverse we could achieve this simply and borrowing a leaf from Christopher Bottoms. For a better grasp, see slice().
library(tidyverse)
x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ),
B = c(4.25, 4, 4, 4.5, 4.5 ),
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