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What is the difference between single-quoted and double-quoted strings in PHP?
...n't aware of that. Too bad it doesn't follow the same conventions as shell scripts, i.e. ${variablename}.
– devios1
Jul 25 '13 at 0:26
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How to save CSS changes of Styles panel of Chrome Developer Tools?
...ifications to see your revisions, very interesting feature.
Also work with scripts.
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Should I use `import os.path` or `import os`?
... bunch of modules into sys.modules. They aren't bound to any names in your script, but you can access the already-created modules when you import them in some way.
sys.modules is a dict in which modules are cached. When you import a module, if it already has been imported somewhere, it gets the in...
Detect blocked popup in Chrome
I am aware of javascript techniques to detect whether a popup is blocked in other browsers (as described in the answer to this question ). Here's the basic test:
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Using semicolon (;) vs plus (+) with exec in find
...e of the last find implementations to support + (used to be a pain to port script to GNU systems).
– Stephane Chazelas
Feb 19 '14 at 14:30
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Python's “in” set operator
...h they are not set types, have a valuable in property during validation in scripts:
yn = input("Are you sure you want to do this? ")
if yn in "yes":
#accepts 'y' OR 'e' OR 's' OR 'ye' OR 'es' OR 'yes'
return True
return False
I hope this helps you better understand the use of in with this...
When to use IMG vs. CSS background-image?
...er {
background-image:url(image_2.jpg);
}
This saves any kind of JavaScript or jQuery animation to fade an <img/>'s src.
More information about transitions on MDN.
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NameError: global name 'unicode' is not defined - in Python 3
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If you need to have the script keep working on python2 and 3 as I did, this might help someone
import sys
if sys.version_info[0] >= 3:
unicode = str
and can then just do for example
foo = unicode.lower(foo)
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How do I escape the wildcard/asterisk character in bash?
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However, I've had problems even with this syntax. Consider the following script.
#!/bin/bash
curl_opts="-s --noproxy * -O"
curl $curl_opts "$1"
The * needs to be passed verbatim to curl, but the same problems will arise. The above example won't work (it will expand to filenames in the current d...
What is the python “with” statement designed for?
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Because I used it to open a py script. with open('myScript.py', 'r') as f: pass. I expected to be able to call the variable f to see the text content of the document, as this is what would appear if the document were assigned to f via a regular open statem...