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Escaping keyword-like column names in Postgres
...uble quotes to stop it being interpreted as a keyword:
INSERT INTO table (id, name, "year") VALUES ( ... );
From the documentation:
There is a second kind of identifier: the delimited identifier or
quoted identifier. It is formed by enclosing an arbitrary sequence of
characters in double-...
Invalid postback or callback argument. Event validation is enabled using '
I am getting the following error when I post back a page from the client-side. I have JavaScript code that modifies an asp:ListBox on the client side.
...
ListView item background via custom selector
...d finally solved it. As Romain Guy hinted to, there's another state, "android:state_selected", that you must use. Use a state drawable for the background of your list item, and use a different state drawable for listSelector of your list:
list_row_layout.xml:
<?xml version="1.0" encoding="utf-8...
How to revert a merge commit that's already pushed to remote branch?
... reinstate the tree as it was in 7c6b236.
To better understand the parent IDs, you can run:
git log 8989ee0
and
git log 7c6b236
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Add UIPickerView & a Button in Action sheet - How?
...o customize the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a sim...
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
...s you mentioned:
Your master pages still exist in MVC and are used to provide a consistent layout to the site. not much new there.
Your content pages will become views in the MVC world. They still provide the same content areas to your master pages.
The eventhandling of webforms should not be use...
Unit testing with Spring Security
...a JUnit test, etc. The real limiting factor of a Singleton is when it provides an implementation that is inflexible to different environments.
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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...以到官方网站下载：
http://www.boost.org/
（2）安装VS2008 IDE
【Setp2 编译Boost】
1.打开Visual Studio 2008 命令提示窗口
2.进入D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\boost_1_44_0\tools\jam\src
3.执行 build.bat 会在D:\05_Computer\04_3rdPatry\02Boost\b...
How to split data into training/testing sets using sample function
...
thank. I tried mtcars[!train_ind] and while it didn't fail, it did't work as expected. How could I subset using the !?
– user989762
Apr 23 '15 at 7:22
...
Create table in SQLite only if it doesn't exist already
....sqlite.org/lang_createtable.html:
CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...);
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