Category: Uncategorized

In Oracle this works: create table test(x integer default 0 not null) But this doesn’t: create table test(x integer not null default 0)

ResultSet tables = metaData.getTables(catalog, schema, tableName, null); // extract the tablenames for (String tableName : tablenames) { // ResultSet – each row is an index…

echo file.xml | xmllint –format – References https://stackoverflow.com/questions/16090869/how-to-pretty-print-xml-from-the-command-line

private static String toString(Document doc) throws Exception { DOMSource domSource = new DOMSource(doc); Transformer transformer = TransformerFactory.newInstance().newTransformer(); StringWriter sw = new StringWriter(); StreamResult sr =…

String query = “select max(r.version) from Relationship r where r.target=:id and r.type=:type”; TypedQuery<Integer> typedQuery = em.createQuery(query, Integer.class); typedQuery.setParameter(“id”, target); typedQuery.setParameter(“type”, type); Integer result = typedQuery.getSingleResult();…

Ignore aspect ratio & force resize to 180×180 $ convert persons.png -resize 180×180\! persons.180×180.png http://www.imagemagick.org/Usage/resize/#noaspect    

git push -u origin <branch> git push -u origin feature/killer https://git-scm.com/docs/git-push https://www.atlassian.com/git/tutorials/using-branches

Failed to read schema document ‘xjc.xsd’, because ‘file’ access is not allowed due to restriction set by the accessExternalSchema property. -Djavax.xml.accessExternalSchema=all http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA

http://www.purescript.org/ https://numer.ai/ https://solidity.readthedocs.io/en/develop/ https://www.ethereum.org/ http://elixir-lang.org/ http://elm-lang.org/ https://golang.org/doc/effective_go.html

https://www.microsoft.com/en-us/sql-server/sql-server-2016-editions https://support.microsoft.com/en-ie/help/321185/how-to-determine-the-version,-edition-and-update-level-of-sql-server-and-its-components    http://highscalability.com/blog/2012/9/11/how-big-is-a-petabyte-exabyte-zettabyte-or-a-yottabyte.html