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What's the difference between VARCHAR and CHAR?
...91: in order to have a performance increase the whole row has to be fixed-width. MySQL gains advantage calculating the space requirements and offset of rows in that kind of table.
– Marco Demaio
Oct 17 '17 at 16:42
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What is the purpose of flush() in Java streams?
...d 'flush' should not be in its definition. Recursive definitions are a bad idea for understanding new things. I am aware that you did not write the definition.
– Jonathan Komar
May 23 '19 at 13:13
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how can I add the aidl file to Android studio (from the in-app billing example)
I am currently migrating an Eclipse app to Android Studio.
This app was using the in app billing.
10 Answers
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Where is logback encoder pattern documentation
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I'm stupid. Sometimes something is in front of your eyes and you simply can't see it. I've went 3 times to that chapter and I didn't see it. Thanks!.
– pakore
Oct 7 '10 at 11:58
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Stop form refreshing page on submit
...() will stop the submit.
Without jQuery:
var form = document.getElementById("myForm");
function handleForm(event) { event.preventDefault(); }
form.addEventListener('submit', handleForm);
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Is GET data also encrypted in HTTPS?
...nt over https because not all of it is public, and you might also want to hide some of the public content from a MITM. In any event, it's best to let Google answer for themselves.
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Browse the files created on a device by the iOS application I'm developing, on workstation?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
...9 and much easier to use.
This is a open-source program that displays the iDevice's system log in Terminal (in a manner similar to tail -F). No jailbreak is required, and the output is fully grep'able so you can filter to see output from your program only. What's particularly good about this solut...
How to check whether a string is a valid HTTP URL?
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Try this to validate HTTP URLs (uriName is the URI you want to test):
Uri uriResult;
bool result = Uri.TryCreate(uriName, UriKind.Absolute, out uriResult)
&& uriResult.Scheme == Uri.UriSchemeHttp;
Or, if you want to accept b...
TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
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介绍
UrsAI2TcpClient 是一个 Android 扩展，用于建立与 TCP 服务器的连接，并通过 TCP 逐行交换文本消息。消息以行分隔符（CR、LF 或 CRLF）结束。
主要功能
连接到 TCP 服务器
支持双...