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Practical uses of different data structures [closed]
... networking sites, Routing
,networks of communication, data organization etc.
Heap - Dynamic memory allocation in lisp
This is the answer originally posted by RV Pradeep
Some other, less useful links:
Applications are only listed for some data structures
Not application focused, by good ...
What is the meaning of the /dist directory in open source projects?
...lly located here.
assets/: static content like images, video, audio, fonts etc.
lib/: external dependencies (when included directly).
test/: the project's tests scripts, mocks, etc.
node_modules/: includes libraries and dependencies for JS packages, used by Npm.
vendor/: includes libraries and depen...
How do I use a Boolean in Python?
...ing')
bool(True) # ;-)
bool(False)
bool(0)
bool(None)
bool(0.0)
bool(1)
etc..
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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
...grep gcc | awk '{print $2}'
Usually, /usr/bin/gcc will be sym-linked to /etc/alternatives/gcc which is again sym-linked to say /usr/bin/gcc-4.6 or /usr/bin/gcc-4.8 (In case you have gcc-4.6, gcc-4.8 installed.)
By changing this link you can make gcc and g++ run in the same version and this may r...
What is polymorphism, what is it for, and how is it used?
... import file) and then determining what type it is (Excel, CSV, YAML, SQL, etc. etc.). To do this one would need some sort of factory class for Class_Excel, Class_CSV to be called, or have a Reader class called. Either way, some sort of iterative if/then/else is going to have to be stored somewher...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...控最大连接数。
服务端还需要调整一下系统的参数，在/etc/sysctl.conf中：
net.core.somaxconn = 2048
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 4096 16777216 ...
Remove excess whitespace from within a string
...str = str_replace(' ','',$str);
Or, replace with underscore, & nbsp; etc etc.
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Test a weekly cron job [closed]
...
Just do what cron does, run the following as root:
run-parts -v /etc/cron.weekly
... or the next one if you receive the "Not a directory: -v" error:
run-parts /etc/cron.weekly -v
Option -v prints the script names before they are run.
...
Traits in PHP – any real world examples/best practices? [closed]
...ke horizontal code re-use for common stuff like logging, security, caching etc.
5 Answers
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
... A wrong hostname did give me the exact same error. Looking at the /etc/hosts file in my docker container showed me the MySql hostname to be mysql. Using this same hostname in my connect configuration resolved the issue.
– Stephane
Nov 20 '16 at 10:56
...