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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...
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...
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 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,...
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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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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Maven equivalent for python [closed]
...ation information, and you can build eggs, dist tarballs, binary tarballs, etc with it.
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep rvm
if there was output, try to open new terminal, if it does not help then rest...
How to restart tomcat 6 in ubuntu [closed]
...art and shutdown tomcat, You could use that
if tomcat is installed then
/etc/init.d/tomcat5.5 start
/etc/init.d/tomcat5.5 stop
/etc/init.d/tomcat5.5 restart
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ORACLE 启动提示 内存不足 OUTOF MEMORY - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
ORACLE 启动提示 内存不足 OUTOF MEMORY原配置 etc sysctl.conf文件kernel.shmall = 2097152kernel.shmmax = 2147483648kernel.shmmni = 4096kernel.sem = 250 32000 10...
原配置 /etc/sysctl.conf文件
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kerne...