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Create or Replace function Func_add_column () returns int as$body $BeginPerform * from pg_tables where tablename = ' table name ';If found thenPerform * from pg_attribute where attrelid = ' table name ':: Regclass and attname = ' field name ';If not found thenALTER TABLE name add column field name;End If;End If;return 0;End$body $ language Plpgsql;Select Func_add_column ();Database upgrade, add fields to a table, prevent duplicate
One, download the installation package, and then upgrade the deployment[Email protected] tmp]# tar zxvf python-2.7.3.tgz [[email protected] python-2.7.3]#./configure Make ;make install [[email protected] python-2.7.3]# which python/usr/local/bin/python[[email protected] python-2.7.3]# LN-SF /usr/local/bin/python/usr/bin/python[[email protected] python-2.7.3]# Python-vpython 2.7.3Second, after processing the upgra
One of the benefits of sharepoint2010 is that it greatly improves the feature version management capability. We can use visual studio2010 to control and upgrade the developed feature versions. Content type is used as an example to demonstrate the version control and upgrade functions of content type feature. In the previous article, we used vs2010 to create a content type feature and deploy it on our websit
CentOS 7 kernel upgrade, centos kernel upgrade
Take CentOS 7 as an example!
1. view the current kernel version:[Root @ localhost ~] # Uname-srLinux 3.10.0-514.26.2.el7.x86 _ 64
2. view the latest kernel version:
Log onto the https://www.kernel.org to view the latest kernel version, which is currently the latest mainline:4.13-rc5
3. Upgrade the kernel version:
I k
1. Why does the mobile end not upgrade after patching the package, and the PC and mobile access to the same URL to get the XML file content inconsistentDo not upgrade because the patch file is wrong, although the contents of the file changed,PC-side access to the same URL resulting from the content of the XML file is inconsistent, is caused by the server cluster.Summarize:1), to the customer patching packag
Note: IOS8 Beta5 cannot be upgraded on the phone now because IOS8 is not yet out of the official version and is now a beta version, so if you want to upgrade you will need to download iOS8 BETA5 system installation files on the Internet and then use itunes to upgrade.
At the same time, this upgrade will remove the data from the iphone, so it's best to back up th
1. If WIN10 home has been activated, click "Change Product Key" as shown in the following figure:
2, go to the "Update and Security" dialog box, click "Change Product Key" in "activation", as shown in the following figure:
3, in the "Enter the Product Key" dialog box, enter the change version of the serial number (if it is the home version, you can enter professional, enterprise or educational version of the serial number, if the original is a professional version, you can en
How to Prevent Automatic Win10 upgrade and Prevent Automatic win10 upgrade
Now Microsoft has released an official method to prevent auto-upgrade of the Win10 system. The specific procedure is as follows: Please come and check out my experience.
Here, we first use the Group Policy Editor to modify, press the Windows logo key + R key on the desktop, open the Run
Explore Oracle Database Upgrade 7 11gR2to12c after the upgrade is completed, insert PDB
Explore Oracle Database Upgrade 7Insert PDB after 11gR2 to 12c upgrade is complete
Preface:Since Oracle 12c, the concept of container database has been introduced to enable database plugging, for example:
Now let's take a look at h
The python on the VPS is 2.6 and wants to upgrade to 2.71. View the Python version#python-V
Python 2.6.6
2. Download python2.7
#wget http://python.org/ftp/python/2.7.6/Python-2.7.6.tar.bz2
#tar-JXVF python-2.7.6.tar.bz2
#cd Python-2.7.6
3. Installation
#./configure
#make All
#make Install
#make Clean
#make Distclean
4. View version Information
#/usr/local/bin/python2.7-v
5
CakePHP 2.x upgrade 3.0, cakephp2.x upgrade 3.0
CakePHP 2.x => 3.x upgrade
I. Controller Layer
1. find ('LIST ')In the original 2. x, This method uses 'fields' in the specified option to implement key => value3. x is replaced by 'keyfield' and 'valuefield 'in option, and the return value must be converted using toArray ().
2. find ('first '), find ('Count ')3. x
Specific steps:
1. We open 360 security guards, as shown in the following figure
2. Then in the lower right corner of the computer will see a 360 security Guardian icon, we right click it will pop up a menu, in the pop-up menu we click "Settings" as shown in the following image.
3. After entering the setup we click on the left "upgrade settings" to enter as shown in the picture.
4. In the upgrade
MacOS Upgrade to 10.13.1Beta | | Java upgrade to the latest version after the Phpstorm menu bar will disappear, it is estimated that more than Phpstorm, a series of jetbrains products may have this problem, including eclipise.The solution is to:"I also did lost, here's what I do to temporarily fix the problem:Open/create a new file ~/idea.properties with the following line:Apple.laf.useScreenMenuBar = False
Win8.1 Upgrade to Win8.1 update RTM steps:
1. Install the Windows upgrade package configured WINDOWS8.1-KB2919442.MSU;
Install WINDOWS8.1-KB2919442.MSU
2. Install the Windows upgrade package configured WINDOWS8.1-KB2919355.MSU;
Install WINDOWS8.1-KB2919355.MSU
3. After the installation is complete, reboot the computer and wait for the syste
First step
Back up all the data on your phone, and back up all the backups, otherwise the data will be lost after the upgrade.
Third Step
1. In the phone to find the desktop under the "Settings" open access, as shown in the following figure
2. Then find "More Settings" in the Open Settings interface, and then open the entry
3. Furthermore, we found the "system upgrade" ope
Label:PSU Upgrade (This experiment is to upgrade 10.2.0.3.12 to 10.2.0.3.15) First, unpack the installation packageCustom storage Path is/home/oracle/yjb/psu/10.2.0.3.15cd/home/oracle/yjb/psu/10.2.0.3.15Unzip P6880880_112000_04-sep-2015_linux-x86-64.zipUnzip p20760997_112030_15_linux-x86-64.zip-d 1120315 Second, check the PSU patch to see if there is a conflict/home/oracle/yjb/psu/10.2.0.3.15/opatch/opatch
now the mainstream development language.
The partnership between Oracle (a large web site database platform) and PHP (which is now the mainstream development language) has been over three years old, and the OCI8 is the latest in both sides.
http://www.bkjia.com/PHPjc/509109.html www.bkjia.com true http://www.bkjia.com/PHPjc/509109.html techarticle In Wednesday, Oracle (large Web site database platform) company launched the upgrade of Oracle (large
Note: The lock screen password must be canceled before upgradingIf you encounter the above problems, you can solve the problem by entering DFU modeGo to the DFU detailed steps. (After successful, the screen is full black)Note: Be sure to connect the data cable to the computer when you enter the DFU operation.1. Press and hold the power switch for 3 seconds.2, connected in press Power+home while the screen becomes black, silently read about 10 seconds. 3, let go of power key, keep the home keyboa
The PHP version of Phpnow comes with 5.2.14, and the last update is in 2010-9-22. Below to upgrade PHP5.3.5:
1. Download the installation file:
Download PHP5.3.5 First, download address:php-5.3.5-win32-vc6-x86.zip access password: c69c
Unzip the download to the Phpnow installation directory, the name can not be Chinese, it is recommended that the direct "/phpnow156/php5.3.5/" on it.
2. Configuration:
1) Copy "Php-5.2.14-win32/php-apache2handle
Take the iphone 5S, IPad 3, for example, to see the iOS 7.1.2, iOS 8.0 upgrade before and after several performance data, note that the first two are the shorter the better, the latter two are the higher the better.
The iphone 5S, as the main player of the past, is naturally the most beneficial, the Web performance is 3-12%, and the data can not reflect that, thanks to the continued improvement of iOS 8 for animation effects, the IP
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