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How to define two fields “unique” as couple
... a number of situations. For example if you are connecting to a legacy database, or if you just want the constraint names to be more human readable in the database. One time I migrated the character set of a MySQL database and Django's generated constraint names were actually too long for our partic...
How to call a stored procedure from Java and JPA
...StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery("sales_tax");
// set parameters
storedProcedure.registerStoredProcedureParameter("subtotal", Double.class, ParameterMode.IN);
storedProcedure.registerStoredProcedureParameter("tax", Double.class, ParameterMode.OUT);
storedProcedure...
ReSharper - force curly braces around single line
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Access an arbitrary element in a dictionary in Python
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this looks better: dict.values().__iter__().__next__() :)
– Vitaly Zdanevich
Mar 3 '17 at 14:26
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Mailto links do nothing in Chrome but work in Firefox?
...lt mail client. See this link on how to do that: kb.mozillazine.org/Default_mail_client#Windows
– kennypu
Mar 12 '15 at 23:15
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Bad class file magic or version
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my JAVA_HOME variable changed to Java 1.8 and I got this error message when compiling a pure java module as a dependency of my android project.
build.gradle of the java module
apply plugin: 'java'
Solution #1: Quick an dirty
I ...
postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
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Have nginx access_log and error_log log to STDOUT and STDERR of master process
...ial nginx images (hub.docker.com/_/nginx), both debian (latest) and alpine bases.
– Farshid T
May 12 '18 at 10:49
Your...
How to include jar files with java file and compile in command prompt
...r your dependency jar files as shown below:
set classpath=C:\Users\sarath_sivan\Desktop\jars\servlet-api.jar; C:\Users\sarath_sivan\Desktop\jars\spring-jdbc-3.0.2.RELEASE; C:\Users\sarath_sivan\Desktop\jars\spring-aop-3.0.2.RELEASE;
Now, you may compile your java file. (command: javac YourJavaFile...