大约有 9,000 项符合查询结果（耗时：0.0144秒） [XML]
Determine installed PowerShell version
...rsion Am I Running.
$isV2 = test-path variable:\psversiontable
The same site also gives a function to return the version:
function Get-PSVersion {
if (test-path variable:psversiontable) {$psversiontable.psversion} else {[version]"1.0.0.0"}
}
...
jquery data selector
..., and then select using that attribute:
var elm = $('a').attr('data-test',123); //assign 123 using attr()
elm = $("a[data-test=123]"); //select elm using attribute
and now for that elm, both attr() and data() will yield 123:
console.log(elm.attr('data-test')); //123
console.log(elm.data('test'))...
PHP - include a php file and also send query parameters
...] : 0;
?>
I also have other dynamic includes like this throughout the site that pass parameters. The problem happens when the user presses submit and there is a form error. So now to not duplicate code to include those extra field sets that where dynamically included, i created a function tha...
Comma separator for numbers in R?
...rn a vector of characters. I'd only use that for printing.
> prettyNum(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
> format(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
EDIT: As Michael Chirico says in the comment:
Be aware that these have the side effect of padd...
What is the maximum length of a URL in different browsers?
...t work in the most popular web
browsers. Don't use them if you intend
your site to work for the majority of
Internet users.
(Note: this is a quote from an article written in 2006, but in 2015 IE's declining usage means that longer URLs do work for the majority. However, IE still has the limitation....
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...he activity to host fragments. It's value should be properly initialized.
fun dispatchFragment(frag: Fragment) {
hostActivity?.let {
if(it.lifecyclecurrentState.isAtLeast(Lifecycle.State.RESUMED)){
showFragment(frag)
}
}
}
private fun showFragment(frag: Fragment) {...
Make body have 100% of the browser height
... Thank you so much, Angry Dan, that ugly white space at the bottom of my site is gone!
– Boris Burkov
May 7 '14 at 15:37
...
How to unit test a Node.js module that requires other modules and how to mock the global require fun
...h/to/underTest');
var sinon = require('sinon');
describe("underTest", function() {
it("does something", function() {
sinon.stub(innerLib, 'toCrazyCrap').callsFake(function() {
// whatever you would like innerLib.toCrazyCrap to do under test
});
underTest();
sinon.asser...
Function to calculate distance between two coordinates
... :::
//::: Official Web site: https://www.geodatasource.com :::
//::: :::
//::: GeoDataSource.com (C) All Rights Reserved 2018 :::...
Getting one value from a tuple
...o a list
first_val = my_tuple[0]
second_val = my_tuple[1]
# if you have a function called my_tuple_fun that returns a tuple,
# you might want to do this
my_tuple_fun()[0]
my_tuple_fun()[1]
# or this
v1, v2 = my_tuple_fun()
Hope this clears things up further for those that need it.
...