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Returning from a finally block in Java
...rnings - if something is wrong with the code, it should fail to compile. Unfortunately backwards compatibility means that unanticipated ingenious foolishness cannot be prohibited.
Exceptions can be thrown from finally blocks, but in that case the exhibited behaviour is almost certainly what you wan...
How should I read a file line-by-line in Python?
...ason why the following is preferred:
with open('filename.txt') as fp:
for line in fp:
print line
We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage collection. Other, hypothetical implementations of Python will not necessarily close the fil...
How to delete an old/unused Data Model Version in Xcode
...
It's a hack, but this worked for me:
Set the Current version of the model in Xcode to one that you want to keep
Remove the .xcdatamodeld from your project (Right-click -> Delete -> Remove Reference Only)
Show the contents of the .xcdatamodeld pa...
What is the precise meaning of “ours” and “theirs” in git?
This might sound like too basic of a question, but I have searched for answers and I am more confused now than before.
7 An...
How to use Greek symbols in ggplot2?
...letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it?
...
Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
...lowed by StringBuilder.
Spanned is a CharSequence with "spans" indicating formatting to apply to portions of the text, where those spans cannot be modified.
Spannable is a Spanned, adding in the ability to modify the spans (to add or remove formatting), but not to modify the text itself.
SpannedS...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
I'm working on building a RESTful API for one of the applications I maintain. We're currently looking to build various things into it that require more controlled access and security. While researching how to go about securing the API, I found a few different opinions on what form to use. I've seen ...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...very Ajax request to open a new connection. This can have a significant performance impact, especially on high latency networks.
The issue is triggered easily if Ajax requests are made in rapid succession. For example, we make Ajax requests every 100ms and then the network status changes, the error ...
Pip freeze vs. pip list
...
$ pip install -r requirements.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
...
That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If ...
What is a “Stub”?
...m that article:
Meszaros uses the term Test Double as the generic term for any kind of pretend object used in place of a real object for testing purposes. The name comes from the notion of a Stunt Double in movies. (One of his aims was to avoid using any name that was already widely used.) Mesza...