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How to validate IP address in Python? [duplicate]
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This will return incorrect response for test.example.com. I got IPv6Address(u'7465:7374:2e65:7861:6d70:6c65:2e63:6f6d')
– SharkIng
Jun 22 at 21:02
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How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...jehl, rebound by @wilto.MIT License.*/(function(m){if(!(/iPhone|iPad|iPod/.test(navigator.platform)&&navigator.userAgent.indexOf("AppleWebKit")>-1)){return}var l=m.document;if(!l.querySelector){return}var n=l.querySelector("meta[name=viewport]"),a=n&&n.getAttribute("content"),k=a+...
Are nested transactions allowed in MySQL?
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InnoDB supports SAVEPOINTS.
You can do the following:
CREATE TABLE t_test (id INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
START TRANSACTION;
INSERT
INTO t_test
VALUES (1);
SELECT *
FROM t_test;
id
---
1
SAVEPOINT tran2;
INSERT
INTO t_test
VALUES (2);
SELECT *
FROM t_test...
VC/MFC 临界区域使用方法实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法：
*.h头文件：
#include <winbase.h>
CRITICAL_SECTION m_cs_test; ///< 定义一个临界区域对象
*.cpp源文件使用方法：
在类的构造函数内初始化临界区域对象
//该函数必须在任何线程调用EnterCriticalSection函数之前被调用，否则结果将...
包默认：src\appinventor\ai_zqp2013\test269 定制包名考虑实现一下。 - 微...
包默认：src\appinventor\ai_zqp2013\test269
定制包名考虑实现一下。edu.mit.appinventor.aicompanion3.Screen1main=appinventor.ai_zqp2013.test269.Screen1
Intersection and union of ArrayLists in Java
...ethods don't modify the original lists input to the methods.
public class Test {
public static void main(String... args) throws Exception {
List<String> list1 = new ArrayList<String>(Arrays.asList("A", "B", "C"));
List<String> list2 = new ArrayList<String&...
How to create Gmail filter searching for text only at start of subject line?
...lemented this feature. I created the following filter:
Matches: subject:([test])
Do this: Skip Inbox
And then I sent a message with the subject
[test] foo
And the message was archived! So it seems all that is necessary is to create a filter for the subject prefix you wish to handle.
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Fastest way to check if a string is JSON in PHP?
...s the last error occurred during the JSON encoding and decoding. So the fastest way to check the valid JSON is
// decode the JSON data
// set second parameter boolean TRUE for associative array output.
$result = json_decode($json);
if (json_last_error() === JSON_ERROR_NONE) {
// JSON is valid
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Remove a JSON attribute [duplicate]
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Simple:
delete myObj.test.key1;
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
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It is up to the browser but they behave in similar ways.
I have tested FF, IE7, Opera and Chrome.
F5 usually updates the page only if it is modified. The browser usually tries to use all types of cache as much as possible and adds an "If-modified-since" header to the request. Opera diffe...