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In Django, how does one filter a QuerySet with dynamic field lookups?
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A simplified example:
In a Django survey app, I wanted an HTML select list showing registered users. But because we have 5000 registered users, I needed a way to filter that list based on query criteria (such as just people who co...
Tools for JPEG optimization? [closed]
Do you know of any tools (preferrably command-line) to automatically and losslessly optimize JPEGs that I could integrate into our build environment? For PNGs I'm currently using PNGOUT , and it generally saves around 40% bandwidth/image size.
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difference between foldLeft and reduceLeft in Scala
I have learned the basic difference between foldLeft and reduceLeft
7 Answers
7
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binning data in python with scipy/numpy
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@user: I don't know which one is faster for your data and parameters. Both of the methods should be faster than yours, and I'd expect the histogram() method to be faster for a big number of bins. But you'll have to profile yourself, I can'...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
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Private and Protected Members : C++
Can someone enlighten me as to the difference between private and protected members in classes?
17 Answers
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Loading cross-domain endpoint with AJAX
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I'm posting this in case someone faces the same problem I am facing right now. I've got a Zebra thermal printer, equipped with the ZebraNet print server, which offers a HTML-based user interface for editing multiple settings, seeing the printer's current status, etc. I need to get the status of the...
Trim trailing spaces in Xcode
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We now have some basic Xcode 4 support. See our new plugin
– dmaclach
Nov 13 '11 at 5:48
1
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Python Script execute commands in Terminal
...s module:
from subprocess import call
call(["ls", "-l"])
Reason is that if you want to pass some variable in the script this gives very easy way for example take the following part of the code
abc = a.c
call(["vim", abc])
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Cross compile Go on OSX?
...eem to have improved the cross compilation process, meaning it is built in now. No ./make.bash-ing or brew-ing required. The process is described here but for the TLDR-ers (like me) out there: you just set the GOOS and the GOARCH environment variables and run the go build.
For the even lazier copy...