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Why is a combiner needed for reduce method that converts type in java 8
... answered Sep 4 '15 at 7:39
quiz123quiz123
3655 bronze badges
...
How do I get the width and height of a HTML5 canvas?
...
123
It might be worth looking at a tutorial: Firefox Canvas Tutorial
You can get the width and he...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...alues of 12abc will return abc, value of 1abc will return abc, value of abc123 will return "Not Matched" because the digits were not at the start of the string.
Private Sub simpleRegex()
Dim strPattern As String: strPattern = "^[0-9]{1,2}"
Dim strReplace As String: strReplace = ""
Dim r...
How to get everything after last slash in a URL?
...,
'http://www.test.com/page/TEST2',
'http://www.test.com/page/page/12345',
'http://www.test.com/page/page/12345?abc=123'
]
for i in urls:
url_parts = urllib.parse.urlparse(i)
path_parts = url_parts[2].rpartition('/')
print('URL: {}\nreturns: {}\n'.format(i, path_parts[2]))
...
Dynamically select data frame columns using $ and a character value
...is a reproducible example below:
# set seed for reproducibility
set.seed(123)
df <- data.frame( col1 = sample(5,10,repl=T) , col2 = sample(5,10,repl=T) , col3 = sample(5,10,repl=T) )
# We want to sort by 'col3' then by 'col1'
sort_list <- c("col3","col1")
# Use 'do.call' to call order. S...
C# code to validate email address
...e all perfectly valid forms:
cog@wheel
"cogwheel the orange"@example.com
123@$.xyz
For most use cases, a false "invalid" is much worse for your users and future proofing than a false "valid". Here's an article that used to be the accepted answer to this question (that answer has since been delet...
How can I list all foreign keys referencing a given table in SQL Server?
...
GishuGishu
123k4545 gold badges214214 silver badges294294 bronze badges
...
Eclipse copy/paste entire line keyboard shortcut
... Ctrl+Shift+V is now the shortcut that lets you paste in MyClass:123 and jump to line 123, and linkifies stack traces. Probably too useful to overwrite now.
– Noumenon
Feb 16 '18 at 0:49
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Get last n lines of a file, similar to tail
...
123
This may be quicker than yours. Makes no assumptions about line length. Backs through the fi...
How to use http.client in Node.js if there is basic authorization
...tion which gets encoded in Base64:
var username = 'Test';
var password = '123';
var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64');
// new Buffer() is deprecated from v6
// auth is: 'Basic VGVzdDoxMjM='
var header = {'Host': 'www.example.com', 'Authorization': auth};
...