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How do I automatically update a timestamp in PostgreSQL
I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP.
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How get integer value from a enum in Rails?
...t the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance of the Model class to access the integer v...
How to do error logging in CodeIgniter (PHP)
... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory.
– Vincent Edward Gedaria Binua
Jan 29 '15 at 2:56
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Get the (last part of) current directory name in C#
...the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough .
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Capitalize or change case of an NSString in Objective-C
...e caps ➔ (method missing; see workaround below)
Hence what you want is called "uppercase", not "capitalized". ;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@inter...
iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...机器(intel已经可以装lion了,此处不再讨论),应用darwin_snow_legacy.iso,进行引导,之后一路安装直至成功;
(2)安装完成后,装VMTools实现共享,以及声卡驱动;(3)之后要对系统进行升级(我是从10.6升级至10.6.7),升...
How to force vim to syntax-highlight a file as html?
...Vim Modeline to force certain commands or settings:
1 /* vim: syntax=javascript
2 *
3 * .submit_norefresh()
~
~
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Overriding class constants vs properties
...net/manual/en/language.oop5.late-static-bindings.php
Here's a simple test script I wrote:
<?php
class One
{
const TEST = "test1";
function test() { echo static::TEST; }
}
class Two extends One
{
const TEST = "test2";
}
$c = new Two();
$c->test();
output
test2
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How to compare times in Python?
...use for comparison without taking the date into account:
>>> this_morning = datetime.datetime(2009, 12, 2, 9, 30)
>>> last_night = datetime.datetime(2009, 12, 1, 20, 0)
>>> this_morning.time() < last_night.time()
True
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Copy existing project with a new name in Android Studio
...ne:
<string name="app_name">test5</string>
Open Gradle scripts/build.gradle (Module:app) and change the line to the same line with your new project name:%fig4
applicationId "com.example.a.test5"
A yellow line will appear at the top of your code pane, requesting gradle ...
