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PHP: How to send HTTP response code?
...");
Note: According to the HTTP RFC, the reason phrase can be any custom string (that conforms to the standard), but for the sake of client compatibility I do not recommend putting a random string there.
Note: php_sapi_name() requires PHP 4.0.1
3rd argument to header function (PHP >= 4.3)
Th...
What is the difference between 'E', 'T', and '?' for Java generics?
...
V - Value
In Java 7 it is permitted to instantiate like this:
Foo<String, Integer> foo = new Foo<>(); // Java 7
Foo<String, Integer> foo = new Foo<String, Integer>(); // Java 6
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|...
slf4j: how to log formatted message, object array, exception
...not recognize that in your example you used n=3 placeholders in the format string and n+1=4 elements in the object array. I had n placeholders in the format string and also n elements in the object array plus an exception as third parameter. My expectation was that the exception would be printed wit...
ANTLR: Is there a simple example?
...org.antlr.runtime.*;
public class ANTLRDemo {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("12*(5-6)");
ExpLexer lexer = new ExpLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ExpParser...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
... java.net.URL;
public class HTTPSPlayground {
public static void main(String[] args) throws Exception {
URL url = new URL("https:// ... .com");
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setRequestMethod("POST");
...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...
创建一个测试数据表，sql如下：
CREATE TABLE users (
id INTEGER PRIMARY KEY,
name TEXT,
age INTEGER);
数据表信息
这时，可以查看一下表信息：
插入数据
往 users 表中插入一条测试数据...
What is jQuery Unobtrusive Validation?
I know what the jQuery Validation plugin is. I know the jQuery Unobtrusive Validation library was made by Microsoft and is included in the ASP.NET MVC framework. But I cannot find a single online source that explains what it is. What is the difference between the standard jQuery Validation librar...
How to find where gem files are installed
... repository
list Display gems whose name starts with STRING
lock Generate a lockdown list of gems
mirror Mirror all gem files (requires rubygems-mirror)
outdated Display all gems that need updates
owner ...
Detect changed input text box
...nge",function () {
alert("Input Changed");
})
Or like this:
<input id="inputDatabaseName" onchange="youFunction();"
onkeyup="this.onchange();" onpaste="this.onchange();" oninput="this.onchange();"/>
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...
Align labels in form next to input
...ible solution:
Give the labels display: inline-block;
Give them a fixed width
Align text to the right
That is:
label {
display: inline-block;
width: 140px;
text-align: right;
}
<div class="block">
<label>Simple label</label>
<input type="text" /&...