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Can I do a partial revert in GIT
... can also do git add -p to start an interactive session that allows you to selectively add chunks of files, instead of entire files. (There's also git reset -p to selectively unstage changes. Good to know, but probably not what you want in this scenario.)
– Stéphan Kochen
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Give all the permissions to a user on a DB
...%', ( -- use instead of EXECUTE to see generated commands
EXECUTE (
SELECT string_agg(format('GRANT USAGE ON SCHEMA %I TO my_user', nspname), '; ')
FROM pg_namespace
WHERE nspname <> 'information_schema' -- exclude information schema and ...
AND nspname NOT LIKE 'pg\_%' ...
How can I match on an attribute that contains a certain string?
I am having a problem selecting nodes by attribute when the attributes contains more than one word. For example:
10 Answer...
How to choose the id generation strategy when using JPA and Hibernate
...d
uses a database-generated GUID string on MS SQL Server and MySQL.
native
selects identity, sequence or hilo depending upon the capabilities of the underlying database.
assigned
lets the application assign an identifier to the object before save() is called. This is the default strategy if no elem...
Postgresql - unable to drop database because of some auto connections to DB
...n psql)
You can then terminate all connections to this db except your own:
SELECT pid, pg_terminate_backend(pid)
FROM pg_stat_activity
WHERE datname = current_database() AND pid <> pg_backend_pid();
On older versions pid was called procpid so you'll have to deal with that.
Since you've revo...
What is the difference between synchronous and asynchronous programming (in node.js)
...xamples:
// Example 1 - Synchronous (blocks)
var result = database.query("SELECT * FROM hugetable");
console.log("Query finished");
console.log("Next line");
// Example 2 - Asynchronous (doesn't block)
database.query("SELECT * FROM hugetable", function(result) {
console.log("Query finished")...
HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
...and also dont want to use my whole page. I just want to display my text in selected area and want to use only vertical scroll-bar to go down and read all text.
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jQuery Determine if a matched class has a given id
...
You can bake that logic into the selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class:
$("#foo.bar"); // Matches <div id="foo" class="bar">
This should look similar t...
Reference - What does this error mean in PHP?
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mysql_fetch_array() expects parameter 1 to be resource, boolean given in select
All "mysql_fetch_array() expects parameter 1 to be resource, boolean given" Questions on Stackoverflow
Related Errors:
Warning: [function] expects parameter 1 to be resource, boolean given
Other mysql* functions ...
How do I get the collection of Model State Errors in ASP.NET MVC?
...he ModelState, use this Linq:
var modelStateErrors = this.ModelState.Keys.SelectMany(key => this.ModelState[key].Errors);
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