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Approximate cost to access various caches and main memory?
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@Dave that's true, but this numbers show the order of magnitude
– Andrey
Nov 3 '10 at 13:24
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Application Skeleton to support multiple screens
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What is a NullPointerException, and how do I fix it?
...thod isn't called at all. If the method was called, make sure to check the order that these methods are called, and the set method isn't called after the print method.
This is enough to give us a solution: add a call to printer.setName() before calling printer.print().
Other fixes
The variable ca...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
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My answer will address the specific task of parsing Python in order to translate it to another language, and not the higher-level aspects which Ira addressed well in his answer.
In short: do not use the parser module, there's an easier way.
The ast module, available since Python 2.6 i...
Python str vs unicode types
...When retrieving the content you should know the encoding that was used, in order to be able to decode the bytes into a unicode object.
– Bakuriu
Aug 3 '13 at 15:54
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Provide an image for WhatsApp link sharing
...However, be aware of the "please note" section above.
Step 7: og:type
In order for your object to be represented within the graph, you need to specify its type. Here's a list of the global types available: http://ogp.me/#types. You can also specify your own types.
<meta property="og:type" conte...
Tree data structure in C#
...Where does node come from? Does it mean I have to iterate over the tree in order to use the search code?
– BadmintonCat
Oct 1 '15 at 16:25
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Ternary operator is twice as slow as an if-else block?
...tor slower on both X86 and X64?
This is due to a subtle difference in the order of operations impacting the JIT's optimizer. To JIT the ternary operator, rather than directly coding 2 and 3 in the add machine instructions themselves, the JIT creating an intermediate variable (in a register) to hold...
Parsing JSON with Unix tools
...is faster. Opening an editor to write a script is distracting.
grep -o is orders of magnitude faster than the Python standard json library, at least when doing this for tweets (which are ~2 KB each). I'm not sure if this is just because json is slow (I should compare to yajl sometime); but in prin...
Mismatch Detected for 'RuntimeLibrary'
...om/weidai11/cryptopp/pull/151/files?diff=split I wish they would make some order in this, like add the project zip files into git or something. And yes, I neglected to say my compiler is VS2015 update 2. Bottom line, follow the hints I wrote and it works.
– Yaniv
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