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How to change owner of PostgreSql database?
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For an alternative to REASSIGN OWNED (typically because your owner is postgres), see the snippets in stackoverflow.com/a/2686185/1839209.
– Michael Herrmann
Apr 15 at 7:46
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Running a cron job at 2:30 AM everyday
...rontab
"/tmp/crontab.tNt1NL/crontab":7: bad minute
errors in crontab file, can't install.
Do you want to retry the same edit? (y/n)
If you have further problems with crontab not running you can check Debugging crontab or Why is crontab not executing my PHP script?.
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Invoking a static method using reflection
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// String.class here is the parameter type, that might not be the case with you
Method method = clazz.getMethod("methodName", String.class);
Object o = method.invoke(null, "whatever");
In case the method is private use getDeclaredMethod() instead of getMethod(). And call setAccessible(tru...
How to find an element by matching exact text of the element in Capybara
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Just use Capybara's exact option:
Capybara.exact = true
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How do I merge a git tag onto a branch
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@learner a Tag identifies a specific commit. You can't merge into a specific commit so you'd need to move the tag to the commit you want. This would address the how on that: stackoverflow.com/questions/8044583/…
– Josiah
Jun 16 at 15...
Why can I type alias functions and use them without casting?
...this is a misunderstanding that I had about how Go dealt with types, which can be resolved by reading the relevant part of the spec:
http://golang.org/ref/spec#Type_identity
The relevant distinction that I was unaware of was that of named and unnamed types.
Named types are types with a name, such...
Loop through each row of a range in Excel
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Just stumbled upon this and thought I would suggest my solution. I typically like to use the built in functionality of assigning a range to an multi-dim array (I guess it's also the JS Programmer in me).
I frequently write code like this:
Sub arrayBuilder()
myarray = Range("A1:D4")
'unlike m...
BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
...to oranges here:
webHttpBinding is the REST-style binding, where you basically just hit a URL and get back a truckload of XML or JSON from the web service
basicHttpBinding and wsHttpBinding are two SOAP-based bindings which is quite different from REST. SOAP has the advantage of having WSDL and X...
Java: What is the difference between and ?
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@Thilo that's interesting because the JVM treats a class definition as just yet another type of object too.
– Jonathan Neufeld
Aug 11 '15 at 1:56
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Does a break statement break from a switch/select?
I know that switch / select statements break automatically after every case. I am wondering, in the following code:
6 Ans...