大约有 32,000 项符合查询结果(耗时:0.0445秒) [XML]
How can I set NODE_ENV=production on Windows?
... @Amberlamps that is not a good solution because the NODE_ENV is then just hardcoded for all machines; the real goal is to change the env by machine using an env variable or to pass in the value at the command line, not hardcode it in the package.json file.
– Alexande...
Create array of regex matches
...d that might happen a few times. Granted, if you expect just a few matches then your approach is the more efficient one; if however you find that the array "resizing" happens more than once I would suggest a LinkedList, even more so if you're dealing with a low latency app.
– L...
Why use multiple columns as primary keys (composite primary key)
...non-intelligent) primary key, for example in this case OrderDetailId. But then you would not always see the relationship as easily. Some folks prefer one way; some prefer the other way.
share
|
im...
How to set a selected option of a dropdown list control using angular JS
.../JSON you defined, First You need to set the selected value in controller, then you put the same model name in html. This example i wrote to explain in easiest way.
Simple example
Inside Controller:
$scope.Users = ["Suresh","Mahesh","Ramesh"];
$scope.selectedUser = $scope.Users[0];
Your HTML
&l...
Default value for field in Django model
...ault like this:
b = models.CharField(max_length=7,default="foobar")
and then you can hide the field with your model's Admin class like this:
class SomeModelAdmin(admin.ModelAdmin):
exclude = ("b")
share
|
...
Zooming MKMapView to fit annotation pins?
... This works well but occasionally when I zoom in (in the map) then try to center it (using a button that invokes this method) it doesnt seem to work.
– RPM
Jul 10 '15 at 19:20
...
How to get a number of random elements from an array?
...ed not be hashable or unique. If the
population contains repeats, then each occurrence is a possible
selection in the sample.
To choose a sample in a range of integers, use range as an argument.
This is especially fast and space efficient for sampling from a
...
How do you simulate Mouse Click in C#?
...t I am searching, but how do you click down, move mouse somewhere else and then release??
– ninjaxelite
Dec 26 '16 at 11:15
1
...
Event on a disabled input
...your clicks by putting input[disabled] {pointer-events:none} in your CSS. Then the click behaves as if you clicked the parent element. IMHO this is the simplest, cleanest solution, but it unfortunately only works for browsers that support the pointer-events CSS property: caniuse.com/#search=point...
Change name of iPhone app in Xcode 4
...e there. I usually go in and rename that manually in Xcode object browser, then change the reference in main.m to your new app delegate filename (and change all references everywhere else including the app delegate .h and .m files).
– Joel
May 7 '12 at 0:24
...
