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Is if(items != null) superfluous before foreach(T item in items)?
...rmed output of arguably buggy services, then yes, you have to deal with it by checking for null.
– Eric Lippert
Jun 23 '11 at 15:20
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retrieve links from web page using python and BeautifulSoup [closed]
...ess sake, the BeautifulSoup 4 version, making use of the encoding supplied by the server as well:
from bs4 import BeautifulSoup
import urllib.request
parser = 'html.parser' # or 'lxml' (preferred) or 'html5lib', if installed
resp = urllib.request.urlopen("http://www.gpsbasecamp.com/national-parks...
UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
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This seems to work so far, I've have tested it by taking 10 pics one after each other with no problem.
– DevC
Dec 10 '13 at 9:50
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How to move/rename a file using an Ansible task on a remote system
...e doesn't copy files on the remote system. The src parameter is only used by the file module when creating a symlink to a file.
If you want to move/rename a file entirely on a remote system then your best bet is to use the command module to just invoke the appropriate command:
- name: Move foo to...
Can I invoke an instance method on a Ruby module without including it?
...ethod or modifying the original is not a nice approach, though I'm not a Ruby dev.
– TWiStErRob
Jul 5 '16 at 23:19
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JSON.NET Error Self referencing loop detected for type
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I solved my issus by adding "JsonConvert.DefaultSettings" = () => new JsonSerializerSettings {....} in the class "Startup.cs"
– Beldi Anouar
Apr 4 at 9:30
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
...n to say "I need Xgb of memory" for something and you can't work around it by improving your algorithms or memory allocation patterns. Generally this will only usually be the case for algorithms operating on large datasets (like a database or some scientific analysis program) and then techniques lik...
What is the difference between visibility:hidden and display:none?
...ly matter. You're still forcing a screen repaint. This could very browser by browser though, and in truth there are probably better ways to optimize the code than focusing on these.
– kemiller2002
Jan 29 '14 at 17:20
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Can you use a trailing comma in a JSON object?
... (also known as javascript) which is a programming language like Perl or Ruby or C++ or Java. JSON is a data format like XML or CSV or YAML. They are not the same thing. JSON doesn't exist in EXMA262 but the syntax it's derived from does and it's called the Object literal notation (the ON in JSON).
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How to make a div 100% height of the browser window
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This works by taking the element out of the document flow and cementing its bottom value to the height of its parent. This is not ideal when your content exceeds the height of its parent.
– Ricky Boyce
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