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What's invokedynamic and how do I use it?
...So how does invokedynamic fit with meth.invoke?
– David K.
Jul 10 '11 at 2:26
1
The blog post I m...
安卓防止息屏方案深度调研 - 小米红米MIUI专项解决 - App应用开发 - 清泛IT...
...这个问题
AI深度调研回复：
一、通用方案（标准Android）
方案1：FLAG_KEEP_SCREEN_ON（最推荐）
// Activity中
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
// 或XML布局
android:keepScreenOn="true"
- 优点：不需要WAK...
Using Kafka as a (CQRS) Eventstore. Good idea?
...
I was looking at Kafka and had another concern: I didn't notice anything about optimistic-concurrency. Ideally I could say: "Add this event as item N+1 only if the object's most recent event is still N."
– Darien
Sep 23 '14 at 3:33
...
How to overcome TypeError: unhashable type: 'list'
...;
TypeError: unhashable type: 'list'
This happens because of the list inside a list which is a list which cannot be hashed. Which can be solved by converting the internal nested lists to a tuple,
>>> set([1, 2, 3, 4, (5, 6, 7), 8, 9])
set([1, 2, 3, 4, 8, 9, (5, 6, 7)])
Explicitly hashi...
Simplest way to do a fire and forget method in c# 4.0
...t tells you you're running this Task as fire and forget.
If the method inside the curly braces returns a Task:
#pragma warning disable 4014
Task.Run(async () =>
{
await MyFireAndForgetMethod();
}).ConfigureAwait(false);
#pragma warning restore 4014
Let's break that down:
Task.Run returns...
How to pop an alert message box using PHP?
...ders HTML and Javascript to send to the client's browser. PHP is a server-side language. This is what allows it do things like INSERT something into a database on the server.
But an alert is rendered by the browser of the client. You would have to work through javascript to get an alert.
...
Breadth First Vs Depth First
...alking a tree.
It is probably easiest just to exhibit the difference. Consider the tree:
A
/ \
B C
/ / \
D E F
A depth first traversal would visit the nodes in this order
A, B, D, C, E, F
Notice that you go all the way down one leg before moving on.
A breadth first traversa...
Python extending with - using super() Python 3 vs Python 2
...
-1. This answer didn't clarify anything for me. In Python 2, super(__class__) gives NameError: global name '__class__' is not defined, and super(self.__class__) is erroneous as well. You must provide an instance as a second argument, which wo...
Create table (structure) from existing table
...ing from source to destination table. Try yourself:- CREATE TABLE Table1 ( Id int , Name varchar(200) ) INSERT INTO table1 VALUES (1,'A') INSERT INTO table1 VALUES(2,'B') -- Will create table2 with data in table1 SELECT * INTO Table2 FROM Table1 WHERE 1=2 -- Will create table2 without data in table1...
TCP: can two different sockets share a port?
...on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as...