大约有 40,000 项符合查询结果(耗时:0.0350秒) [XML]
An async/await example that causes a deadlock
...lick for UI / MyController.Get for ASP.NET):
The top-level method calls GetJsonAsync (within the UI/ASP.NET context).
GetJsonAsync starts the REST request by calling HttpClient.GetStringAsync (still within the context).
GetStringAsync returns an uncompleted Task, indicating the REST requ...
ADB No Devices Found
I am attempting to install an Android app on my brand new Nexus 10 . I have a .apk file. I have downloaded the Android SDK, installed "Android SDK Tools", "Android SDK Platform-tools", and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources".
...
Where and how is the _ViewStart.cshtml layout file linked?
...
Starting with the ASP.NET MVC 3 Beta release, you can now add a file
called _ViewStart.cshtml (or _ViewStart.vbhtml for VB) underneath the
\Views folder of your project:
The _ViewStart file can be used to define common view code that you
want to execute at the start of each View’s re...
Check if Python Package is installed
What's a good way to check if a package is installed while within a Python script? I know it's easy from the interpreter, but I need to do it within a script.
...
How to copy a row and insert in same table with a autoincrement field in MySQL?
....)
select c1, c2, ...
from your_table
where id = 1
where c1, c2, ... are all the columns except id. If you want to explicitly insert with an id of 2 then include that in your INSERT column list and your SELECT:
insert into your_table (id, c1, c2, ...)
select 2, c1, c2, ...
from your_table
where i...
Best database field type for a URL
...er is subject to the maximum row size (65,535 bytes, which is shared among all columns) and the character set used.
So ...
< MySQL 5.0.3 use TEXT
or
>= MySQL 5.0.3 use VARCHAR(2083)
share
|
...
Replace multiple strings with multiple other strings
...j[matched];
});
jsfiddle example
Generalizing it
If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this
new RegExp(Object.keys(mapObj).join("|"),"gi");
to generate the regex. So then it would look like this
var mapObj = {cat:"dog",dog:"goat"...
Eliminate extra separators below UITableView
..."bottom bounce" of the table is handled, as you prefer. (Height zero is usually fine).
To do it programmatically:
Swift
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.tableFooterView = UIView()
}
Objective-C
iOS 6.1+
- (void)viewDidLoad
{
[super viewDidLoad...
Quick and easy file dialog in Python?
...the file, and then it's loaded to the database. (In my use case, if they happened to chose the wrong file, it would fail parsing, and wouldn't be a problem even if it was loaded to the database.)
...
Characters allowed in a URL
...
The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding)
http://en.wikipedia.org/wiki/Percent-encoding#Types_of_URI_characters
says these are RFC 3986 unreserved characters ...
