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Programmatically scroll to a specific position in an Android ListView
...
For a direct scroll:
getListView().setSelection(21);
For a smooth scroll:
getListView().smoothScrollToPosition(21);
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Get current clipboard content? [closed]
...u run the code in an active tab. To run the code from your console you can set a timeout and click in the website window quickly:
setTimeout(async () => {
const text = await navigator.clipboard.readText();
console.log(text);
}, 2000);
Read more on the API and usage in the Google developer do...
Does Java SE 8 have Pairs or Tuples?
I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices.
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What is the use of static constructors?
.../" since urlFragment hadn't been initialized at the time fullUrl was being set. Not good. So, you add a static constructor to take care of the initialization:
class ScopeMonitor
{
static string firstPart= "http://www.example.com/";
static string fullUrl;
static string urlFragment = "f...
iOS 5 Best Practice (Release/retain?)
... When you migrate a project to use ARC, the -fobjc-arc compiler flag is
set as the default for all Objective-C source files. You can disable
ARC for a specific class using the -fno-objc-arc compiler flag for
that class. In Xcode, in the target Build Phases tab, open the Compile
Sources grou...
Remove Server Response Header IIS7
...ject sender, EventArgs e)
{
HttpContext.Current.Response.Headers.Set("Server", "Box of Bolts");
}
}
}
Then add the following to your web.config, or you configure it within IIS (if you configure within IIS, the assembly must be in the GAC).
<configuration>
<system.webSer...
jquery - return value using ajax result on success
...lue from an AJAX request, but that's only if you make it non-asynchronous (set the option async: false). In some cases, having an asynchronous call is not requirement. More on jquery.ajax() doc api.jquery.com/jQuery.ajax , not that As of jQuery 1.8, the use of async: false with jqXHR ($.Deferred) is...
Changing git commit message after push (given that no one pulled from remote)
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If you don't specify the branch explicitly, Git will use the default push settings. If your default push setting is "matching", then you may destroy changes on several branches at the same time.
Pulling / fetching afterwards
Anyone who already pulled will now get an error message, and they wil...
Running PostgreSQL in memory only
I want to run a small PostgreSQL database which runs in memory only, for each unit test I write. For instance:
8 Answers
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MQTT客户端内置版使用指导 · App Inventor 2 中文网
...因.is_failure:
失败.append(str(原因))
就绪.set()
else:
连接.subscribe(设置.topic, qos=1)
def 订阅完成(_连接, _数据, _编号, 原因列表, _属性):
if any(原因.is_failure for 原因 in 原因列表):
失败.ap...