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Convert dmesg timestamp to custom date format
...lock" /proc/sched_debug)
if [[ $cputime_line =~ [^0-9]*([0-9]*).* ]]; then
cputime=$((BASH_REMATCH[1] / 1000))
fi
dmesg | while IFS= read -r line; do
if [[ $line =~ ^\[\ *([0-9]+)\.[0-9]+\]\ (.*) ]]; then
stamp=$((now-cputime+BASH_REMATCH[1]))
ec...
Hide/Show Column in an HTML Table
...td
Personally, I would go with the the class-on-each-td/th/col approach. Then you can switch columns on and off using a single write to className on the container, assuming style rules like:
table.hide1 .col1 { display: none; }
table.hide2 .col2 { display: none; }
...
This is going to be faster...
JPA: How to have one-to-many relation of the same Entity type
...to persist one of the entities in the graph of parent-child relationships, then an exception is thrown on commit(). On Eclipselink, this is a RollbackException detailing the inconsistency.
This behavior is configurable through the cascade attribute on A's @OneToMany and @ManyToOne annotations. Fo...
C Macro definition to determine big endian or little endian machine?
...ar *)&endianness == 0xde ? BIG \
: assert(0))
and then you can use the ENDIANNESS macro as you will.
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How do I return NotFound() IHttpActionResult with an error message or exception?
... new NotFoundTextPlainActionResult(message, controller.Request);
}
}
Then, in your action method, you can just do something like this:
public class TestController : ApiController
{
public IHttpActionResult Get()
{
return this.NotFound("These are not the droids you're looking f...
How do I use IValidatableObject?
...tion if there are failed validations. If there is not a failed validation then nothing will be add to the result collection which is an indication of success.
Doing the validation:
public void DoValidation()
{
var toValidate = new ValidateMe()
{
Enable = true,
...
What is a Maven artifact?
... few nuances.
There are Maven artifacts, repository manager artifacts and then there are Maven Artifacts.
A Maven artifact is just as other commenters/responders say: it is a thing that is spat out by building a Maven project. That could be a .jar file, or a .war file, or a .zip file, or a .dll, ...
WKWebView in Interface Builder
...r OSX). Hopefully Apple will update them for the modern WebKit, but until then, what is the best way to create WKWebViews in Interface Builder? Should I create a basic view (UIView or NSView) and assign its type to WKWebView? Most of the examples I find online add it to a container view programma...
Best practice for embedding arbitrary JSON in the DOM?
..., "abc":[1,2,3]}' class="hidden"></div>
If you're using jQuery, then retrieving it is as easy as:
var stuff = JSON.parse($('#mydiv').attr('data-unicorns'));
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Why does !{}[true] evaluate to true in JavaScript?
... undefined (!undefined) must therefore be defined. If something is defined then it's usually interpreted as true.
– OozeMeister
Oct 31 '13 at 16:50
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