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Memory address of variables in Java

... that identity hash codes are not guaranteed to be unique. For instance on 64-bit JVM there are 2^32 identity hash codes but 2^64 memory addresses. – Alex Jasmin Dec 25 '09 at 14:42 ...
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Why unsigned integer is not available in PostgreSQL?

... fit into long. Another thing, if I did have the need to store 32 bit or 64 bit types, I can use PostgreSQL int4 or int8 respectively, just remembering that the natural order or arithmetic won't work reliably. But storing and retrieving is unaffected by that. Here is how I can implement a simp...
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How to find the mysql data directory from command line in windows

...----+ | basedir | /usr/local/mysql-5.7.17-macos10.12-x86_64/ | | character_sets_dir | /usr/local/mysql-5.7.17-macos10.12-x86_64/share/charsets/ | | datadir | /usr/local/mysql/data/ | | innodb_data_home_dir ...
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Meaning of = delete after function declaration

...> operator T(void) = delete; template <class T> Vuint64& operator= (const T) = delete; template <class T> Vuint64& operator|= (const T) = delete; template <class T> Vuint64& operator&= (const T) = delete; ...
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Google Chrome Extensions - Can't load local images with CSS

... One option would be to convert your image to base64: and then put the data right into your css like: body { background-image: url(data:image/png;base64,iVB...); } While this might not be an approach you would want to use when regularly developing a webpage, it is a gre...
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TCP: can two different sockets share a port?

..., unused high-order source port. This way, a single client can have up to ~64k connections to the server for the same destination port. So, this is really what gets created when a client connects to a server: Local Computer | Remote Computer | Role -----------------------------...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

... CPU: 2 x 16 Intel(R) Xeon(R) E2560 Sandy Bridge @ 2.00GHz (16 Cores) RAM: 64 GB Ivy (MKL, OpenBLAS, ATLAS): CPU: 2 x 20 Intel(R) Xeon(R) E2680 V2 Ivy Bridge @ 2.80GHz (20 Cores, with HT = 40 Cores) RAM: 256 GB Software The software stack is for both nodes the sam. Instead of GotoBLAS2, OpenB...
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How can I give eclipse more memory than 512M?

...IT: 32bit version of juno seems to not accept more than Xmx1024m where the 64 bit version accept 2048. EDIT: Nick's post contains some great links that explain two different things: The problem is largely dependent on your system and the amount of contiguous free memory available, and By using j...
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C/C++ check if one bit is set in, i.e. int variable

...ave" to do it this way. But I usually write: /* Return type (8/16/32/64 int size) is specified by argument size. */ template<class TYPE> inline TYPE BIT(const TYPE & x) { return TYPE(1) << x; } template<class TYPE> inline bool IsBitSet(const TYPE & x, const TYPE &amp...
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Eclipse secure storage

... In windows 7 enerprise 64 bits + java 8 In eclipse go to : Preferences --> General -> security -> secure Storage. In master Password providers UNCKECK Windows integration (64 bits) Then go to General -- network...