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mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
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python-pandas and databases like mysql

...rame from it. SQLAlchemy makes it easier to combine SQL conditions Pythonically if you intend to mix and match things over and over. from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Table from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker from...
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Making text background transparent but not text itself

... answered Sep 25 '13 at 21:44 BL_BL_ 1633 bronze badges add a comment ...
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Bootstrap 3 and Youtube in Modal

...h it. Here is YouTube's documentation. developers.google.com/youtube/player_parameters support.google.com/youtube/answer/… – jeremykenedy Mar 26 '17 at 14:12 ...
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WCF - How to Increase Message Size Quota

...ings> <basicHttpBinding> <binding name="basicHttp" allowCookies="true" maxReceivedMessageSize="20000000" maxBufferSize="20000000" maxBufferPoolSize="20000000"> <readerQuotas maxDepth="32" ...
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File Explorer in Android Studio

... files should be in: DDMS-> File Explorer ->data -> data -> MY_PACKAGE_NAME -> shared_prefs -> YOUR_PREFERENCE_NAME.xml share | improve this answer | fol...
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Using pip behind a proxy with CNTLM

...http://web-proxy.mydomain.com install somepackage But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick: export https_proxy=http://web-proxy.mydomain.com then sudo -E pip install somepackage ...
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“Unable to find remote helper for 'https'” during git clone

... where we copied afterwards for anyone to access it) We did a: export GIT_EXEC_PATH=<path_of_/libexec/git-core/> and solved. share | improve this answer | follow ...
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Convert file path to a file URI?

...|| v == '+' || v == '/' || v == ':' || v == '.' || v == '-' || v == '_' || v == '~' || v > '\xFF') { uri.Append(v); } else if (v == Path.DirectorySeparatorChar || v == Path.AltDirectorySeparatorChar) { uri.Append('/'); } else { uri.Append(...
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Simplest code for array intersection in javascript

...ns, where n is * n = MIN(a.length, b.length) */ function intersection_destructive(a, b) { var result = []; while( a.length > 0 && b.length > 0 ) { if (a[0] < b[0] ){ a.shift(); } else if (a[0] > b[0] ){ b.shift(); } else /* they're equal */ ...