大约有 32,000 项符合查询结果（耗时：0.0459秒） [XML]
Handle file download from ajax post
... we are creating a downloadable URL and attaching it to invisible "a" link then clicking it.
Here we need to carefully set few things at the server side. I set few headers in Python Django HttpResponse. You need to set them accordingly if you use other programming languages.
# In python django co...
HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
...t. To get it to stretch you have to use HorizontalAlignment="Stretch", but then the result is centered. I've experimented with HorizontalContentAlignment, but it doesn't seem to do anything.
...
What is “android.R.layout.simple_list_item_1”?
...ree/master/core/res/res/layout
just right click the layout file you want, then select 'Save As', save somewhere, then copy it in 'layout' folder in your android project(eclipse)...
you can see how the layout looks like :)
way to go...
...
How can I pass a list as a command-line argument with argparse?
...l argument and what belongs to the nargs; if you have positional arguments then action='append' may end up being a better choice.
The above is only true if nargs is given '*', '+', or '?'. If you provide an integer number (such as 4) then there will be no problem mixing options with nargs and positi...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
...e that viewValue to the modelValue, validate it, write it to the scope and then kick of viewChangeListeners. Next time digest runs, the model value is retrieved from the scope and compared to the $modelValue in the controller: github.com/angular/angular.js/blob/master/src/ng/directive/…. If they a...
What is causing “Unable to allocate memory for pool” in PHP?
...segments with the parameter apc.shm_segments.
If APC is using mmap memory then you have no limit. The amount of memory is still defined by the same option apc.shm_size.
If there's not enough memory on the server, then use filters option to prevent less frequently accessed php files from being cac...
How do I convert a string to enum in TypeScript?
...
If you are sure that an input string has an exact match with Color enum then use:
const color: Color = (<any>Color)["Red"];
In the case where an input string may not match Enum, use:
const mayBeColor: Color | undefined = (<any>Color)["WrongInput"];
if (mayBeColor !== undefined){
...
Can someone explain collection_select to me in clear, simple terms?
... these two params will be: <select name="post[author_id]">...
# then you should specify some collection or array of rows.
# It can be Author.where(..).order(..) or something like that.
# In your example it is:
Author.all,
# then you should specify methods for generating...
How to format a string as a telephone number in C#
...ion because if the area code starts with 0105555555 or something like that then you end up getting back (01) 555-5555 instead of (010) 555-5555. The reason being is that if you convert the phone number to a number then the zero at the front is seen as not being anything and and when you format it th...
How to use '-prune' option of 'find' in sh?
...called .snapshot is encountered it will match the first -name, -prune will then do nothing (but return true), and then the or returns true since its left-argument was true. The action (eg: -print) is part of its second argument, so it never has a chance to execute.
– Laurence G...