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What does |= (ior) do in Python?
...== (1 | 0) == (0 | 1)
>>> assert 0 == (0 | 0)
We now extend this idea beyond binary numbers. Given any two integral numbers (lacking fractional components), we apply the bitwise OR and get an integral result:
>>> a = 10
>>> b = 16
>>> a | b
26
How? In genera...
Fill remaining vertical space with CSS using display:flex
... html,body,section {height:100%;} where section is direct child of body jsfiddle.net/7yLFL/445 this gives a header and footer fixed.
– G-Cyrillus
Feb 22 '16 at 16:01
1
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Windows Forms - Enter keypress activates submit button?
...
private void textBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
button.PerformClick();
}
share
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Naming cookies - best practices [closed]
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It should be something that avoids naming conflicts with arbitrary _GET and _POST params you might be using, since _REQUEST wraps all three global arrays (!), with precedence depending on how your variables_order setting is set in php.ini. In other words, ...
Converting a string to an integer on Android
...the Integer class and the static parseInt() method:
http://developer.android.com/reference/java/lang/Integer.html
Integer.parseInt(et.getText().toString());
You will need to catch NumberFormatException though in case of problems whilst parsing, so:
int myNum = 0;
try {
myNum = Integer.pars...
What do column flags mean in MySQL Workbench?
...ed only by your database internally for frequent lookups (such as customer ID), you should use a primary key with an auto-increment option instead.
– Vasiliy Kulakov
Sep 8 '10 at 1:46
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List of Java processes
...
jps -lV
is most useful. Prints just pid and qualified main class name:
2472 com.intellij.idea.Main
11111 sun.tools.jps.Jps
9030 play.server.Server
2752 org.jetbrains.idea.maven.server.RemoteMavenServer
...
How can I add comments in MySQL?
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Is there any general best practice or style guideline for when to use these different syntaxes? Obviously the last one is ideal for multi-line comments, but is there any rule of thumb for single-line comments?
– StockB
Nov 21 '16 at...
Assign a variable inside a Block to a variable outside a Block
...swered Nov 1 '11 at 5:31
DevarshiDevarshi
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App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
...EXT 应用签名体系概述
1.1 签名类型
1.2 与 Android/iOS 签名体系对比
二、准备工作：华为开发者账号
2.1 注册华为开发者账号
2.2 与 Apple 开发者账号对比
三、证书申请全流程
3.1 创建项...