Clik here to view.
Typechecker in hhvm and running Hack program
Let's start with writing a sample program of printing cubes of numbers. eg:Using the editor of your choice (e.g., VSCode or vim), let's create a file called first.hack with the following...
View ArticleClik here to view.
find what uses a port like 8080 kill the process on mac
Many a times during debugging, you find that your port is already used. You can find at this point where it is used and kill the process.Step 1: Find all processes using port$ netstat -vanp tcp | grep...
View ArticleClik here to view.
Story point Estimation guideline
A story point is a metric used in agile project management and development to estimate the difficulty of implementing a given user story, which is an abstract measure of effort required to implement...
View Articlemaven surefire plugin runtime exception - writing xml report stdout/stderr
Problem: Sometimes you get the RunTime exception in your java projects. Example in an enterprise spring boot application when you use:> mvn clean installor, mvn packageSee the error snapshot...
View ArticleCreating new folders in GitHub repository via the browser
If you look into the Github repository online you will see that there is no direct method to create a folder. You can create a file or even upload it directly from the browser, but there seems to be no...
View ArticleClik here to view.
Simple Ways to Get the Size of Directories and files in Linux
Check Disk Space with the Commands du and df - LinuxHow to find size of directory in linuxHow do I get the size of a directory on the command lineLinux Check Disk Space Command To View Systemdisplay...
View ArticleHow to update git password on terminal: Command line utility to reset github...
On macOS, you can usegit config --global credential.helper osxkeychainA username and password prompt will appear on your next Git action (pull, clone, push, etc.).Eg: If you do git clone:...
View ArticleAssigning an Object to null is a code smell. Consider refactoring.
Suppose You get following NullAssignment violation PMD error:<pmd xmlns="http://pmd.sourceforge.net/report/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"...
View ArticleAvoid Throwing Raw Exception Types rule in Checkstyle
See a sample violation in java code:com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck:299 Rule:AvoidThrowingRawExceptionTypes Priority:1 Avoid throwing raw exception...
View ArticlePMD error Avoid printStackTrace use logger call instead
Suppose you have a simple Try catch block in Java eg:try { testsReader.readTestConfigurationJson(); testsReader.readDeclarativeTestJson();} catch (IOException e) { e.printStackTrace();}Running Java...
View ArticleGit: How to discard all local commits on branch And making local same as...
Discarding all local commits on branchIn order to discard all local commits on this branch, to make the local branch identical to the "upstream" of this branch, simply rungit reset --hard @{u}Hope this...
View Articleaws_key_gen login for getting AWS Keys locally on command line
If you or your team is working with AWS, you might know how important it is to get the keys while dev or debugging the code.Command is:$ ~/ECPCP/aws_key_gen loginIt will then promt you to enter your...
View ArticleFix Why Spring boot @Autowired field null
Recently, I ran into a small issue and found the following article to be very helpful.Suppose, you have a Spring @Service class (MileageFeeCalculator) that has an @Autowired field (rateService), but...
View ArticleLine ending difference - Windows vs Linux Mac : Line Breaks \n CRLF explained...
The Windows environment and the UNIX environment use different end of line characters. So, if you are sharing files between the environments, one of the environments sees end of line characters at the...
View ArticleCSV delimiter linux Vs Mac : Resolving the issue of comma separated file read...
Excel allows CSV that is Comma Separated Values in its filesystem. It uses comma as a delimiter.And, this format is often used for exchanging data between programs. But there comes issues while working...
View ArticleReplace For Loop with Foreach in Java: PMD ruleset="Best Practices"...
1 2 3 4 5 6 7 8 91011121314151617181920privatebooleanisEligible(final BookedItems bookedItem){if(ALLOWED_TYPES.stream().anyMatch(cartItem.getProductType()::equalsIgnoreCase)){ List<HomeProduct>...
View ArticleFind version of Modules using PIP : Python Installation manager
Use pip list to list all packages and their versions. You can pipe it to grep to search for the package your interested in:pip list | grep sympyAlternatively to get all information about that package...
View ArticleUsing different Versions of Node using NVM
To check your current active version of Node and NPMnode -vnpm -vNode 10.7.0Node is most easily managed using NVM and that is the recommended tool we suggest. https://github.com/creationix/nvmNow,...
View ArticleMarket Segmentation Strategies in MAJF Technologies in Hindi Speaking Belt:...
व्यवसाय में ऐसा करने की प्रवृत्ति है - बहुत से उद्यमी हर अवसर का पीछा करना चाहते हैं और यथासंभव व्यापक बाजार की अपील करते हैं। व्यवसायी और उनके नेता, किसी ऐसे उत्पाद या सेवा को शुरू करने के लिए दबाव...
View Article