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How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
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java.net.UnknownHostException: Invalid hostname for server: local
...ping: cannot resolve myHostName: Unknown host then add an entry into your /etc/hosts file.
For that edit /etc/hosts file and add following:
127.0.0.1 myHostName
Hope it helps.
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impr...
Sending a mail from a linux shell script
... @Zen MTA stands for Mail transport agent. postfix, sendmail, qmail etc
– Francesco Laurita
Oct 24 '14 at 2:59
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Is a DIV inside a TD a bad idea?
...Flow;>
<!-- %Flow; mixes block and inline and is used for list items etc. -->
<!ENTITY %Flow "(#PCDATA | %block; | form | %inline; | %misc;>
<!ENTITY %block "p | %heading; | div | %lists; | %blocktext; | fieldset | table">
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Purpose of buildscript block in Gradle
...ependencies that required for building your source and running your source etc.
The buildscript is for the build.gradle file itself. So, this would contain dependencies for say creating RPMs, Dockerfile, and any other dependencies for running the tasks in all the dependent build.gradle
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Physical vs. logical / soft delete of database record?
...isk for redundancy, and people's time to ensure backups are moving swiftly etc.
When deciding to use logical, physical deletes, or archiving I would ask myself these questions:
Is this data that might need to be re-inserted into the table. For example User Accounts fit this category as you might...
Generating PDF files with JavaScript
...tuff (columns, page breaking, full unicode line breaking, basic rich text, etc.).
Working on even more font stuff for advanced typography (OpenType/AAT ligatures, contextual substitution, etc.). Coming soon: see the fontkit branch if you're interested.
More graphics stuff: gradients, etc.
Built with...
What is the Java equivalent for LINQ? [closed]
...mething in the plan? integrated into the language? IS ther a JCP number? etc etc.
– Cheeso
Aug 1 '09 at 18:58
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What is an ORM, how does it work, and how should I use one? [closed]
...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
What's the difference between .bashrc, .bash_profile, and .environment?
...wing system). these are the ones with names like .bashrc, .tcshrc, .zshrc, etc.
bash complicates this in that .bashrc is only read by a shell that's both interactive and non-login, so you'll find most people end up telling their .bash_profile to also read .bashrc with something like
[[ -r ~/.bashr...