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How to check if element exists using a lambda expression?
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@MalteHartwig tested in a 10kk ArrayList with a simple object trying to find the last element. gives a 2ms difference 131ms against 133ms for your. on a 1kk array list yours if faster by 2ms (55ms to 53ms). So we can say that yours is bett...
Can't launch my app in Instruments: At least one target failed to launch
...em. Profiling your app with debug configuration is not a valid performance test as the compiler has not optimized the code like it does for Adhoc. Has anyone figure out the AdHoc issue?
– Fergal Rooney
May 30 '14 at 16:56
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How do you get a query string on Flask?
...string.
Here's an example:
from flask import request
@app.route('/adhoc_test/')
def adhoc_test():
return request.query_string
To access an individual known param passed in the query string, you can use request.args.get('param'). This is the "right" way to do it, as far as I know.
ETA: Bef...
How to prevent browser page caching in Rails
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Agreed, this is not a valid solution, tested with Rails 5.2 and Chrome 77. no-store is also needed.
– AndrewSouthpaw
Oct 25 '19 at 4:33
ad...
Continuously read from STDOUT of external process in Ruby
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I am not sure what is happening in your case. I tested the code above with yes, a command-line application that never ends, and it worked. The code was as following: IO.popen('yes') { |p| p.each { |f| puts f } }. I suspect it is something that has to do with blender, and n...
What is the most efficient way of finding all the factors of a number in Python?
...ad from this alteration may cause the function to take longer.
I ran some tests in order to check the speed. Below is the code used. To produce the different plots, I altered the X = range(1,100,1) accordingly.
import timeit
from math import sqrt
from matplotlib.pyplot import plot, legend, show
d...
Make header and footer files to be included in multiple html pages
...ers support HTML Templates for doing this.
I've built a little example:
Tested OK in Chrome 61.0, Opera 48.0, Opera Neon 1.0, Android Browser 6.0, Chrome Mobile 61.0 and Adblocker Browser 54.0
Tested KO in Safari 10.1, Firefox 56.0, Edge 38.14 and IE 11
More compatibility info in canisue.com
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Extracting an attribute value with beautifulsoup
... tag object that you get using find_all:
xmlData = None
with open('conf//test1.xml', 'r') as xmlFile:
xmlData = xmlFile.read()
xmlDecoded = xmlData
xmlSoup = BeautifulSoup(xmlData, 'html.parser')
repElemList = xmlSoup.find_all('repeatingelement')
for repElem in repElemList:
print("Proc...
List of special characters for SQL LIKE clause
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Potential answer for SQL Server
Interesting I just ran a test using LinqPad with SQL Server which should be just running Linq to SQL underneath and it generates the following SQL statement.
Records
.Where(r => r.Name.Contains("lkjwer--_~[]"))
-- Region Parameters
DECLARE @...
How to get current path with query string using Capybara
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I'll probably need this syntax very soon, I'm writing tests for a legacy application. Using current_path.should == is working for now (though I need to add a trailing forward-slash as a string). I'm thanking you in advance for code I'll likely need.
– Tass
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