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C/C++ include header file order
...ers from other non-standard, non-system libraries (for example, Qt, Eigen, etc).
Headers from other "almost-standard" libraries (for example, Boost)
Standard C++ headers (for example, iostream, functional, etc.)
Standard C headers (for example, cstdint, dirent.h, etc.)
If any of the headers have a...
General guidelines to avoid memory leaks in C++ [closed]
...ption safety and resource disposal in C++, and no other pattern (sandwich, etc.) will give you both (and most of the time, it will give you none).
See below a comparison of RAII and non RAII code:
void doSandwich()
{
T * p = new T() ;
// do something with p
delete p ; // leak if the p pro...
Get the IP address of the machine
...se strace ip r get 1.1.1.1 and follow the yellow brick road.
Set it with /etc/hosts
This is my recommendation if you want to stay in control
You can create an entry in /etc/hosts like
80.190.1.3 publicinterfaceip
Then you can use this alias publicinterfaceip to refer to your public interfa...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...Do you have to use any of the other major J2EE technologies like JMS, ESB, etc? If so, and you really can't do without, then you are again constrained to a full-blown J2EE container. Carefully think and investigate before you commit to BPM, for example, and avoid AquaLogic BPM at (almost) all cost...
How to change language settings in R
...de the file Rconsole (in my installation it is C:\Program Files\R\R-2.15.2\etc\Rconsole); this works also for the command Rscript.
For example you can locate the Rconsole file with this two commands from a command prompt:
cd \
dir Rconsole /s
The first one make the root as the current directory,...
The SQL OVER() clause - when and why is it useful?
... retrieve both individual OrderQty values and their sums, counts, averages etc. over groups of same SalesOrderIDs.
Here's a practical example of why windowed aggregates are great. Suppose you need to calculate what percent of a total every value is. Without windowed aggregates you'd have to first d...
Building a notification system [closed]
...em on the server (how to store notifications, where to store them, how to fetch them etc...).
4 Answers
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How to get UTF-8 working in Java webapps?
... in my Java webapp (servlets + JSP, no framework used) to support äöå etc. for regular Finnish text and Cyrillic alphabets like ЦжФ for special cases.
...
How to organize a node app that uses sequelize?
...y important (like the name of the foreign key, if it's allowed to be null, etc.)
– Andrey Popov
Mar 12 '15 at 14:58
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MISCONF Redis is configured to save RDB snapshots
...from redis background save FAQ)
echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf
sysctl vm.overcommit_memory=1
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