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Why dict.get(key) instead of dict[key]?
...ever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted, default_value is None, such that
dictionary.get("bogus") # <-- No default specified -- defaults to None
returns None just like
dictionary.get("bogus", None)
would.
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System.Security.SecurityException when writing to Event Log
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This answer describes the real reason behind the error. The check exists tries to enumerate the whole key. if it exists, checkExists works fine.
– DanO
Jul 29 '15 at 16:40
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What is difference between functional and imperative programming languages?
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the dif...
When is a CDATA section necessary within a script tag?
...ret the &,<,> characters in the script tag and cause XML parsing error. So, you can write your JavaScript with entities, e.g.:
if (a &gt; b) alert('hello world');
But this is impractical. The bigger problem is that if you read the page in HTML, the tag script is considered CDATA 'by...
Why Java needs Serializable interface?
... and if I weren't smart enough to try to serialize socket, I would find my error during debugging. However, now I'm in a situation when I can't use Java serialization at all because of 3rd party class which doesn't implement Serializable for no good reason.
– Yoni Roit
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
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How does OAuth 2 protect against things like replay attacks using the Security Token?
As I understand it, the following chain of events occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
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Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
... for a Python version with the same mode, you may sooner or later run into errors that look something like undefined symbol: PyUnicodeUCS4_AsUTF8String.
According to PEP 0513, UCS4 seems to currently be more popular and recommended. Also, the whole UCS compatibility issues seem to only affect 2.x a...
Is there a way to squash a number of commits non-interactively?
...~3
git commit -m 'new commit message'
However, I made an alias with some error checking so that you can do this:
git squash 3 'my commit message'
I recommend setting up aliases that actually run scripts so that it is easier to (a) code up your scripts and (b) do more complex work with error che...
How to export/import PuTTy sessions list?
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When I tried the other solutions I got this error:
Registry editing has been disabled by your administrator.
Phooey to that, I say!
I put together the below powershell scripts for exporting and importing PuTTY settings. The exported file is a windows .reg file and ...