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Minor problems with PHP (accompanying notes) MySQL: 1. Distinct field constraints for extracting data that is not duplicated in the database 2. SELECT COUNT (*) from T_sum_duihuan WHERE t_pid=9 or t_pid=10 or t_pid=11 or t_pid=12 3. Timestamp the

such as: The time is exactly 5 minutes ago, then the corresponding timestamp will be formatted as 5 minutes ago, not much to say, directly affixed to the code: Copy CodeThe code is as follows: /** * Format time * @param integer $timestamp timestamp

In many cases, you may need to check the data by the number of days, weeks, and seconds: First, uses dateutils; First, create an instance. The related code is as follows:Code Code highlighting produced by Actipro CodeHighlighter

03 March 2009 Android layout tricks #3: optimize by merging In the previous installmentAndroid layout tricks, I showed youHow to UseTag in XML layout to reuse and share your layout code. I also mentionedAnd it's now time to learn how to use

I have made some minor changes and made notes on several examples on the boost official website. Synchronization Client Void test_asio_synclient () {typedef boost: ASIO: io_service ioservice; // The namespace has several common classes: accetpt,

C # How to compare the two methods of reading XML documents? Let's first take a look at the comparison between XMLTextReader and XmlDocument reading XML files: C # Read the XML document. The XMLTextReader class contained in the System. XML namespace

Link: http://blog.chinaunix.net/u3/105477/showart_2087878.html     Key points:Learn how to compile the sampling process, how to obtain the required parameters, how to use individual files for recording, understand the specific physical meanings of

[1] connection problems (example) [Microsoft Access] Constr = "DBQ = c: \ daTa \ clwz. mdb; DRIVER = {Microsoft Access Driver (*. mdb )}" [Microsoft SQL Server] Constr = "DRIVER = {SQL Server}; SERVER = host; DATABASE = mydata; uid = sa; pwd =" [2]

Recently, a small application was developed to read Sina Weibo. The newly published Weibo posts on Weibo do not tell you when to release it, but tell you the time relative to the current time a few seconds ago, a few minutes ago, or a few hours ago.

When we mention latency statistics, we must come up with the term "Performance Testing". That's right. In redis's redis_benchmark file, we did use the relevant information in the latency file. The official explanation of this file in redis is as

Common Linux commands Thank you very much, Mr. Yan, for teaching us a lot about linux! This blog is also designed to thank him! Due to limited memory, the commonly used Linux commands can be sorted out for reference at any time: Linux basic

Python time processing and python Processing In practice, if you encounter a time processing problem, you need to compare Sep 06,201 4 (UTC time) with the current time sooner or later to know the operation of the time in the format. Therefore, when

The Json method is used in C ++. Use C ++ to process JSON data exchange formats   I. Summary JSON is called JavaScript Object Notation. JSON is used to mark Javascript objects. JSON is a lightweight data transmission format. This article does not

Because the addition, deletion, and modification of the MySQL database suddenly increase, the operations on the tables that need to be queried are very frequent. I wrote a small tool to analyze the bin-log and find the tables for addition, deletion,

1. to automatically add fields, rewrite them. The automatically numbered field that is frequently used in access. After being imported to mssql, it is not an auto-incrementing int and needs to be set manually, change "no" of the Imported Automatic

Use eAccelerator to accelerate PHP code EAccelerator is really a good thing (its predecessor is truck-mmcache ). Simply put, it is a cache system that works with PHP (supporting PHP5) and exchanges data through shared memory or disk files. It is

Php useful code snippets that must be added to favorites, It's always good to have a magic tool when writing code! The following is a collection of 40 + PHP code snippets to help you develop PHP projects. I have already shared 23 practical php code

Android Fragment instance Listfragment listiew pull-down refresh pull-up load horizontal sliding event listeningAndroid Fragment development instance and other color functionsThe code is too long, please download the attachment source code:

Conversion from: http://blog.csdn.net/xt_xiaotian/article/details/5648388 (reproduced when the original modified a case of errors) Also, download http://sourceforge.net/projects/jsoncpp My mint13 system, compile jsoncpp-src-0.5.0:$ Jsoncpp-src-0.

Many people ask me how to learn web design. In fact, what I want to say is that it is not difficult. It is rare that I have no courage or perseverance, there are also many people who ask me which books I read when I study. Next I want to recommend