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DateTime2 vs DateTime in SQL Server
...e seconds precision.
datetimeoffset provides time zone
support for globally deployed
applications.
datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage.
...
Where does Java's String constant pool live, the heap or the stack?
...
The answer is technically neither. According to the Java Virtual Machine Specification, the area for storing string literals is in the runtime constant pool. The runtime constant pool memory area is allocated on a per-class or per-interface bas...
How do I show my global Git configuration?
I'd like to show all configured Git sections.
12 Answers
12
...
Scrolling a flexbox with overflowing content
... They work when the parent's height doesn't depend on its children, generally, which is the case here. min-height: 100% does indeed fix your stretch-even-when-columns-are-short issue in Firefox (though not in Chrome). Not sure offhand if that's a Chrome bug or a Firefox bug.
...
When to use RSpec let()?
...sn't use any of the instance variables defined in the hook. This isn't usually a big deal, but if the setup of the instance variable takes a long time, then you're wasting cycles. For the method defined by let, the initialization code only runs if the example calls it.
You can refactor from a loca...
Maven error “Failure to transfer…”
...
Remove all your failed downloads:
find ~/.m2 -name "*.lastUpdated" -exec grep -q "Could not transfer" {} \; -print -exec rm {} \;
For windows:
cd %userprofile%\.m2\repository
for /r %i in (*.lastUpdated) do del %i
Then rightc...
Apache VirtualHost 403 Forbidden
...ache. You can see the enabling of the feature with the directive
Require all denied
This basically says to deny access to all users. To fix this problem, either remove the denied directive (or much better) add the following directive to the directories you want to grant access to:
Require all ...
How to add onload event to a div element
..., you can't. The easiest way to make it work would be to put the function call directly after the element
Example:
...
<div id="somid">Some content</div>
<script type="text/javascript">
oQuickReply.swap('somid');
</script>
...
or - even better - just in front of </...
How do I get SUM function in MySQL to return '0' if no values are found?
...iddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
val INT
);
INSERT INTO foo (val) VALUES
(null),(1),(n...
When should one use final for method parameters and local variables?
...e set by end of construction, making that field reference immutable. This allows safe publication of fields and can avoid the need for synchronization on later reads. (Note that for an object reference, only the field reference is immutable - things that object reference refers to can still change...