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How to work around the stricter Java 8 Javadoc when using Maven
...lt;table summary=""> trick still works on JDK8. (just tested on jdk1.8.0_201)
– peterh
Feb 17 '19 at 8:29
@peterh I...
How do I get the information from a meta tag with JavaScript?
...
What you really want is 'let' to keep them locally defined ;)
– tommed
Mar 23 '15 at 21:54
26
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How do I validate a date string format in python?
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>>> import datetime
>>> def validate(date_text):
try:
datetime.datetime.strptime(date_text, '%Y-%m-%d')
except ValueError:
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> vali...
Redis: Show database size/size for keys
...something I was looking for...
For a whole database you need to aggregate all values for KEYS * which shouldn't be too difficult with a scripting language of your choice...
The bad thing is that redis.io doesn't really have a lot of information about DEBUG OBJECT.
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Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assi...
Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
set gvim font in .vimrc file
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So basically for Windows all you need is to add set guifont=Consolas:h11:cANSI to the ~/.vimrc file
– Jasdeep Khalsa
Aug 14 '13 at 15:21
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Add alternating row color to SQL Server Reporting services report
...t when the basic solution does not suffice, it's a nice alternative.
Basically, you add code to the Report as follows...
Private bOddRow As Boolean
'*************************************************************************
' -- Display green-bar type color banding in detail rows
' -- Call from Bac...
Fast way of counting non-zero bits in positive integer
...nt() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime:
counts = bytes(bin(x).count("1") for x in range(256)) # py2: use bytearray
Or just define it lit...
passport.js passport.initialize() middleware not in use
....
I keep getting this exception after authentication success (I see the callback url on the browser):
7 Answers
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