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Web-scraping JavaScript page with Python
...head>
<meta charset="utf-8">
<title>Javascript scraping test</title>
</head>
<body>
<p id='intro-text'>No javascript support</p>
<script>
document.getElementById('intro-text').innerHTML = 'Yay! Supports javascript';
</script>
&...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...e it. You have to enclose your <plugins> in <pluginManagement> tested with Eclipse Indigo SR1, maven 2.2.1
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Remove/Add Line Breaks after Specific String using Sublime Text
...Command+G > ESC > Right Arrow > line break
and Windows/Linux (untested):
Control+F > type string > Alt+F3 > ESC > Right Arrow > line break
The important part being Control+Command+G to select all matches.
Once you've selected the text you're looking for, you can use ...
Why is early return slower than else?
... the only difference is the name of the function. In particular the timing test does a lookup on the global name. Try renaming without_else() and the difference disappears:
>>> def no_else(param=False):
if param:
return 1
return 0
>>> T(lambda : no_else()).repeat(...
correct way to use super (argument passing)
So I was following Python's Super Considered Harmful , and went to test out his examples.
3 Answers
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
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This is great for when you are done testing a schema
– ohmusama
Jan 13 '17 at 22:10
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Is leaked memory freed up when the program exits?
...memory leaks.
You can easily create a huge loop of memory leaks though to test it out yourself. Watch your RAM usage grow and then close your program. You will see that the RAM usage goes back down.
Another consideration when using C++ is that if you aren't deleting your heap allocated memory ...
Eventual consistency in plain English
...ror their data lake, without regard to if it will work or not, and with no testing, because they know what they are doing. Then they will act surprised when complex objects stored in separate documents like “orders” have less “order items” than expected, or maybe none at all. But it won’...
Why are Standard iterator ranges [begin, end) instead of [begin, end]?
...then it is a bug. By the way, that king of error is easy to find with unit testing or assertions.
– Phil1970
May 12 '17 at 3:55
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Upgrade python in a virtualenv
...rder to install a virtualenv with the python version you want.
EDIT
I've tested this approach (the one that create a new virtualenv on top of the old one) and it worked fine for me. I think you may have some problems if you change from python 2.6 to 2.7 or 2.7 to 3.x but if you just upgrade inside...