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How to convert string representation of list to a list?
... ast
>>> x = u'[ "A","B","C" , " D"]'
>>> x = ast.literal_eval(x)
>>> x
['A', 'B', 'C', ' D']
>>> x = [n.strip() for n in x]
>>> x
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval, you can safely evaluate an expression node or a string c...
How to benchmark efficiency of PHP script
...
If you actually want to benchmark real world code, use tools like Xdebug and XHProf.
Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read t...
Rerender view on browser resize with React
...lobals window */
import React, { useState, useEffect } from 'react'
import _debounce from 'lodash.debounce'
const Example = () => {
const [width, setWidth] = useState(window.innerWidth)
useEffect(() => {
const handleResize = _debounce(() => setWidth(window.innerWidth), 100)
w...
How do I make a redirect in PHP?
...FC 7231 which had replaced the old RFC 2616, where only absolute URLs were allowed.
Status Codes
PHP's "Location"-header still uses the HTTP 302-redirect code, this is a "temporary" redirect and may not be the one you should use. You should consider either 301 (permanent redirect) or 303 (other).
No...
AngularJs $http.post() does not send data
...a to the designated url? The url is called but on the server when I print $_POST - I get an empty array. If I print message in the console before adding it to the data - it shows the correct content.
...
Java equivalent of unsigned long long?
... @PP.: I don't think it's possible to define sensible rules which allow free interaction between signed and unsigned types when at least one of them has defined wrapping behavior. That having been said, unsigned byte or unsigned short would have caused zero trouble since bytes don't intera...
Tablix: Repeat header rows on each page not working - Report Builder 3.0
... Static group until it highlights the leftmost column header. This is generally the first Static group listed.
In the Properties window, set the RepeatOnNewPage property to True.
Make sure that the KeepWithGroup property is set to After.
The KeepWithGroup property specifies which group to whic...
Is it possible to change only the alpha of a rgba background colour on hover?
...solute on the <div> tag
Option 1: ::before psuedo-element:
.before_method{
position:relative;
}
.before_method:before{
display:block;
content:" ";
position:absolute;
z-index:-1;
background:rgb(18, 176, 41);
top:0;
left:0;
right:0;
bottom:0;
opacity:0.5;
}
.before_metho...
How do I launch the Android emulator from the command line?
...h it, but you don't have any AVDs created and have to use command line for all the actions. You have to do the following.
Create a new virtual device (AVD) for the platform you need. If you have to use command line for creating your AVD, you can call android create avd -n <name> -t <targe...
What's the “average” requests per second for a production web application?
... second vs. requests per second. I think requests/second is in that same ballpark(100 to 200) but with streaming it shoots up to 1140 records / second (doing ndjson). Anyways thought I would share more numbers. (not sure if this will change as that was tested streamed through 2 microservices into...