devtools.gerrydevstory.com

gerrydevstory.com

Managing Spring Security User Session | Otherwise I'll Forget

https://gerrydevstory.com/2015/08/02/managing-spring-security-user-session

Otherwise I'll Forget. Managing Spring Security User Session. 2 August, 2015. Ever wondered who is currently logged in to your app or how to kick them out? You can do it using SessionRegistry. Disclaimer: UI is self-coded, not provided by Spring). First, setup spring security configuration. And() .sessionManagement() .maximumSessions(1) / How many session the same user can have? This can be any number you pick .expiredUrl("/login? And register the sessionRegistry. Or XML config, place this below. Here&#8...

gerrydevstory.com

java stream | Otherwise I'll Forget

https://gerrydevstory.com/tag/java-stream

Otherwise I'll Forget. Tag Archives: java stream. Why You Should Use Java 8: NullPointerException Free Object Access Using Optional. 31 July, 2015. If you haven’t you should read Tired of Null Pointer Exceptions? Consider Using Java SE 8’s Optional. How many times does object traversal code like this frightens you? String city = personRepository.getByUsername("bob").getAddress().getCity();. Yes it’s a looming NullPointerException bound to happen. Remember Murphy’s Law? Java 8 lambda to the rescue:. I don...

gerrydevstory.com

c++ 11 | Otherwise I'll Forget

https://gerrydevstory.com/tag/c-11

Otherwise I'll Forget. Tag Archives: c 11. Checking for C 11 Support. 25 April, 2015. Most c compilers define a constant named. Which indicates C 11 support. Hence you can write something like this (thanks Cygon for the SO reply. To toggle C 11 support:. G -std=c 11 main.cpp. This is what I get when I try to output the. Constant with the flag set:. Using namespace std;. Gerry's software development journey of trial, errors and re-trials. Google Chrome Taking 16GB of my Macbook Air.

gerrydevstory.com

time | Otherwise I'll Forget

https://gerrydevstory.com/tag/time

Otherwise I'll Forget. Working With Time In C. 25 April, 2015. Working with time with any programming language is always tricky, C is no exception. Function to get the current time. Note that time t has no timezone information, it’s simply UTC offset from epoch (1 January 1970 00:00:00). In most platform it’s stored as 8 bytes integer. Include ctime int main(int argc, char* argv) { time t now; time(&now); return 0; }. Formatting / Printing Time. Function to format time. Note that. Char now str[100];.

gerrytan.wordpress.com

Financial Time in Java | Otherwise I'll Forget

https://gerrytan.wordpress.com/2014/02/21/financial-time-in-java

Otherwise I'll Forget. Gerry's software development journey of trial, errors and re-trials. Financial Time in Java. February 21, 2014. Int offsetMillis = TimeZone.getTimeZone(America/New York).getRawOffset(); TimeZone nyPlus7 = new SimpleTimeZone(offsetMillis 7 * 3600 * 1000, NY 7); DateFormat df = new SimpleDateFormat(yyyy-MM-dd HH:mm:ss); df.setTimeZone(nyPlus7); String nyPlus7TimeNow = df.format(new Date() ;. It’s important to understand the best practice is to never store time data in string. Notify ...

gerrytan.wordpress.com

hMailServer for Outbound Only SMTP Server | Otherwise I'll Forget

https://gerrytan.wordpress.com/2014/02/20/hmailserver-for-outbound-only-smtp-server

Otherwise I'll Forget. Gerry's software development journey of trial, errors and re-trials. HMailServer for Outbound Only SMTP Server. February 20, 2014. If you ever needed to write program that sends email,. Most likely you’ll need a SMTP server. Here’s how you can configure one on a Windows box using hMailServer. Doing so will cause email to your colleague to be routed locally and likely fails. Once you’ve setup the domain, create a new account noreply@devbox01.local. Reverse DNS entry, spam filtering ...

gerrydevstory.com

spring security | Otherwise I'll Forget

https://gerrydevstory.com/tag/spring-security

Otherwise I'll Forget. Tag Archives: spring security. Managing Spring Security User Session. 2 August, 2015. Ever wondered who is currently logged in to your app or how to kick them out? You can do it using SessionRegistry. Disclaimer: UI is self-coded, not provided by Spring). First, setup spring security configuration. And() .sessionManagement() .maximumSessions(1) / How many session the same user can have? This can be any number you pick .expiredUrl("/login? And register the sessionRegistry. Orgspring...

gerrydevstory.com

struct tm | Otherwise I'll Forget

https://gerrydevstory.com/tag/struct-tm

Otherwise I'll Forget. Tag Archives: struct tm. Working With Time In C. 25 April, 2015. Working with time with any programming language is always tricky, C is no exception. Function to get the current time. Note that time t has no timezone information, it’s simply UTC offset from epoch (1 January 1970 00:00:00). In most platform it’s stored as 8 bytes integer. Include ctime int main(int argc, char* argv) { time t now; time(&now); return 0; }. Formatting / Printing Time. To convert it into local time zone.

gerrydevstory.com

Checking for C++ 11 Support | Otherwise I'll Forget

https://gerrydevstory.com/2015/04/25/checking-for-c-11-support

Otherwise I'll Forget. Checking for C 11 Support. 25 April, 2015. Most c compilers define a constant named. Which indicates C 11 support. Hence you can write something like this (thanks Cygon for the SO reply. To toggle C 11 support:. G -std=c 11 main.cpp. This is what I get when I try to output the. Constant with the flag set:. Using namespace std;. Working With Time In C. ZeroMQ Windows Java Binding: Building libzmq.dll, jzmq.dll and zmq.jar Using Visual Studio 2012. Leave a Reply Cancel reply.

gerrytan.wordpress.com

gerrytan | Otherwise I'll Forget

https://gerrytan.wordpress.com/author/gerrytan

Otherwise I'll Forget. Gerry's software development journey of trial, errors and re-trials. Using Spring 4 WebSocket, sockJS and Stomp support to implement two way server client communication. March 4, 2014. One exciting new feature of Spring 4 is the support for WebSocket, SockJS and STOMP messaging. First we need to add the Spring messaging modules in the POM file:. Next, we need to add the message broker config to the Spring MVC config XML file. Beans . xmlns:websocket="http:/ www.springframew...This ...