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What is the difference between pip and conda?
...ORTRAN library dependencies). Conda installs from binary, meaning that someone (e.g., Continuum) has already done the hard work of compiling the package, and so the installation is easy.
There are also some differences if you are interested in building your own packages. For instance, pip is built...
How do I use DateTime.TryParse with a Nullable?
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You're right, I was looking for more of a one-liner to get it done, but I suppose this will do. Don't like creating that temp variable, feels messy. :-/ Seems like this scenario should be better supported.
– Brian Sullivan
Oc...
How to search and replace text in a file?
...s out of place. I disagree with the other posters suggesting you read from one file and write to another. Instead, I would read the file into memory, fix the data up, and then write it out to the same file in a separate step.
# Read in the file
with open('file.txt', 'r') as file :
filedata = file...
How to concatenate columns in a Postgres SELECT?
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With string type columns like character(2) (as you mentioned later), the displayed concatenation just works because, quoting the manual:
[...] the string concatenation operator (||) accepts non-string
input, so long as at least one input is of a string type, as shown in
Ta...
Moving project to another folder in Eclipse
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+1 It seems to be one of the eclipse oddities that you need to switch to the Java perspective to open the package explorer to move a C/C++ project... seems to work anyway, at least for a makefile project.
– sstn
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What's the rationale for null terminated strings?
...
From the horse's mouth
None of BCPL, B, or C supports
character data strongly in the
language; each treats strings much
like vectors of integers and
supplements general rules by a few
conventions. In both BCPL and B a
string literal deno...
img src SVG changing the styles with CSS
...xmlns="http://www.w3.org/2000/svg">
<path d="M0 0h24v24H0z" fill="none"/>
<path d="M1 21h22L12 2 1 21zm12-3h-2v-2h2v2zm0-4h-2v-4h2v4z" fill="#fff"/>
</svg>
... just change the fill and save.
share...
How to render a DateTime in a specific format in ASP.NET MVC 3?
... or have your view model use a string property and the conversion will be done at the mapping layer when you map between the model and the view model (this way you could still only use Html.DisplayFor in the view).
– Darin Dimitrov
May 14 '11 at 13:02
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...edrawing individual circles while zooming. You could probably even combine one or more of these techniques with CSS3 transforms to add some hardware acceleration (as in the hierarchical edge bundling example), although that can be tricky to implement and may introduce visual artifacts.
Still, my pe...
What is the optimal algorithm for the game 2048?
...4,4] becomes the row [0,0,4,8] when moved to the right).
Scoring is also done using table lookup. The tables contain heuristic scores computed on all possible rows/columns, and the resultant score for a board is simply the sum of the table values across each row and column.
This board representati...
