L Mwangi labeneator
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| $ lsof -p $(pgrep leaky) | |
| COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME | |
| leaky 16095 laban cwd DIR 0,30 4096 10936796 /home/laban/devel/private/learning/c/leak_descriptors | |
| leaky 16095 laban rtd DIR 252,1 4096 2 / | |
| leaky 16095 laban txt REG 0,30 11267 10919599 /home/laban/devel/private/learning/c/leak_descriptors/leaky | |
| leaky 16095 laban mem REG 252,1 1811128 19136595 /lib/x86_64-linux-gnu/libc-2.15.so | |
| leaky 16095 laban mem REG 252,1 149280 19136932 /lib/x86_64-linux-gnu/ld-2.15.so | |
| leaky 16095 laban 0u CHR 136,19 0t0 22 /dev/pts/19 | |
| leaky 16095 laban 1u CHR 136,19 0t0 22 /dev/pts/19 | |
| leaky 16095 laban 2u CHR 136,19 0t0 22 /dev/pts/19 |
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| $ sudo gdb -p $(pgrep leaky) | |
| GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 | |
| Copyright (C) 2012 Free Software Foundation, Inc. | |
| License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
| This is free software: you are free to change and redistribute it. | |
| There is NO WARRANTY, to the extent permitted by law. Type "show copying" | |
| and "show warranty" for details. | |
| This GDB was configured as "x86_64-linux-gnu". | |
| For bug reporting instructions, please see: | |
| <http://bugs.launchpad.net/gdb-linaro/>. |
labeneator
/ lsof-output2.sh
Created
February 27, 2013 16:21
lsof after changing program variables with gdb
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| $ lsof -p $(pgrep leaky) | |
| COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME | |
| leaky 16095 laban cwd DIR 0,30 4096 10936796 /home/laban/devel/private/learning/c/leak_descriptors | |
| leaky 16095 laban rtd DIR 252,1 4096 2 / | |
| leaky 16095 laban txt REG 0,30 11267 10919599 /home/laban/devel/private/learning/c/leak_descriptors/leaky | |
| leaky 16095 laban mem REG 252,1 1811128 19136595 /lib/x86_64-linux-gnu/libc-2.15.so | |
| leaky 16095 laban mem REG 252,1 149280 19136932 /lib/x86_64-linux-gnu/ld-2.15.so | |
| leaky 16095 laban 0u CHR 136,19 0t0 22 /dev/pts/19 | |
| leaky 16095 laban 1u CHR 136,19 0t0 22 /dev/pts/19 | |
| leaky 16095 laban 2u CHR 136,19 0t0 22 /dev/pts/19 |
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| Leaks all over the place | |
| $ lsof -p $(pgrep leaky) | |
| COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME | |
| leaky 16095 laban cwd DIR 0,30 4096 10936796 /home/laban/devel/private/learning/c/leak_descriptors | |
| leaky 16095 laban rtd DIR 252,1 4096 2 / | |
| leaky 16095 laban txt REG 0,30 11267 10919599 /home/laban/devel/private/learning/c/leak_descriptors/leaky | |
| leaky 16095 laban mem REG 252,1 1811128 19136595 /lib/x86_64-linux-gnu/libc-2.15.so | |
| leaky 16095 laban mem REG 252,1 149280 19136932 /lib/x86_64-linux-gnu/ld-2.15.so | |
| leaky 16095 laban 0u CHR 136,19 0t0 22 /dev/pts/19 | |
| leaky 16095 laban 1u CHR 136,19 0t0 22 /dev/pts/19 |
labeneator
/ gist:5049238
Created
February 27, 2013 16:26
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| $ ./leaky | |
| Iteration 1 | |
| Iteration 2 | |
| Iteration 5 | |
| Iteration 6 | |
| Iteration 2147483647 | |
| Iteration -2147483648 | |
| Iteration -2147483647 |
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| # load datasets | |
| library(fields) | |
| library(ncdf) | |
| # Load land data | |
| landFrac <-open.ncdf("land.netcdf") | |
| land <- get.var.ncdf(landFrac,"LAND_surface") |
labeneator
/ R_ggplot_with_vline.R
Created
April 4, 2013 21:16
Plotting two dataframes that share only one field between them
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| events <- read.csv("events.csv") | |
| > head(events) | |
| timestamp event | |
| 1 2013-04-03 22:59:05.061Z A | |
| 2 2013-04-03 22:59:05.061Z B | |
| 3 2013-04-03 22:59:07.109Z C | |
| 4 2013-04-03 22:59:07.115Z D | |
| 5 2013-04-03 22:59:07.209Z E |
labeneator
/ charting.R
Created
April 11, 2013 21:34
Better prime finding methods? i.e with a better big-O performance?
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| require("ggplot2") | |
| # data load | |
| n_squared = read.csv("nth.csv", header=T) | |
| n_modulo = read.csv("nth_modulo.csv", header=T) | |
| n_modulo$nth_log <- log(n_modulo$nth) | |
| n_modulo$time_log <- log(n_modulo$time) | |
| n_squared$time_log <- log(n_squared$time) | |
| n_squared$nth_log <- log(n_squared$nth_prime) |
labeneator
/ test_script.php
Last active
December 18, 2015 03:19
pbkdf in pure php using the modules provided by zend .
See http://framework.zend.com/manual/2.1/en/modules/zend.crypt.key.derivation.html#scrypt-adapter
and
https://github.com/ezimuel/zf2/tree/f259efd742d8ed8d904db748846e43e417f5a807/library/Zend/Crypt/Key/Derivation
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| /* | |
| # php -v | |
| PHP 5.3.15 with Suhosin-Patch (cli) (built: Jul 31 2012 14:49:18) | |
| Copyright (c) 1997-2012 The PHP Group | |
| Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies | |
| Takes 0.6 seconds per hash at 100000 rounds | |
| # time php test.php | |
| Original password: password | |
| Salt (hex) : 8454780bed43 |
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| ** installing vignettes | |
| ** testing if installed package can be loaded | |
| Error : .onLoad failed in loadNamespace() for 'RMySQL', details: | |
| call: dyn.load(file, DLLpath = DLLpath, ...) | |
| error: unable to load shared object '/usr/local/Cellar/r/3.0.1/R.framework/Versions/3.0/Resources/library/RMySQL/libs/RMySQL.so': | |
| dlopen(/usr/local/Cellar/r/3.0.1/R.framework/Versions/3.0/Resources/library/RMySQL/libs/RMySQL.so, 6): Library not loaded: libmysqlclient.18.dylib | |
| Referenced from: /usr/local/Cellar/r/3.0.1/R.framework/Versions/3.0/Resources/library/RMySQL/libs/RMySQL.so | |
| Reason: image not found | |
| Error: loading failed | |
| Execution halted |