大约有 45,000 项符合查询结果（耗时：0.0694秒） [XML]
How to wait for a keypress in R?
... the console:
cat ("Press [enter] to continue")
line <- readline()
Wrapping into a function:
readkey <- function()
{
cat ("Press [enter] to continue")
line <- readline()
}
This function is the best equivalent of Console.ReadKey() in C#.
Method 2
Pause until you type the [ent...
Why can't a text column have a default value in MySQL?
...r platforms it is often a warning. While not a bug, it's possible to get trapped by this if you write code on a lenient platform, and later run it on a strict platform:
Personally, I do view this as a bug. Searching for "BLOB/TEXT column can't have a default value" returns about 2,940 results on ...
Android Studio needs JDK 7 for Android-L mac
I was trying to look how my app looks in material design and I would like to use the new cards lib.
My Problem is, that it's giving me this error within my gradle file and I need to fix that.
...
HTTP GET Request in Node.js Express
...,
path: '/some/path',
method: 'GET',
headers: {
'Content-Type': 'application/json'
}
};
And providing a callback function.
For example, in a service, I require the REST module above and then do this:
rest.getJSON(options, (statusCode, result) => {
// I could work with the result...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
...idn't show them, which was causing problems with parsing config file of my app... I discovered it accidentally in vi.
2 Ans...
Disable intellij indexing on specific folder
...my project I have .deploy folder which is created/updated when I deploy my app locally. Is it possible to disable indexing on that folder? Everything slows down whenever I deploy and it's really annoying - I have to wait a few minutes whilist intellij doing unnecessary indexing. In module view I exc...
Add querystring parameters to link_to
...tacks, be sure to clean the params hash, leaving only the params that your app can be sending:
# inline
<%= link_to 'Link', params.slice(:sort).merge(per_page: 20) %>
If you use it in multiple places, clean the params in the controller:
# your_controller.rb
@params = params.slice(:sort...
Detecting a redirect in ajax request?
...r, I thought I'd post a workaround I came up with:
I configured my server app to set a custom response header (X-Response-Url) containing the url that was requested. Whenever my ajax code receives a response, it checks if xhr.getResponseHeader("x-response-url") is defined, in which case it compares...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
...: final Cursor apnCursor = this.context.getContentResolver().query(Uri.withAppendedPath(Carriers.CONTENT_URI, "current"), null, null, null, null); Im testing on a Nexus 4.
– toobsco42
Feb 24 '13 at 21:40
...
Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
...