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Why does Math.round(0.49999999999999994) return 1?
... return (long)floor(a + 0.5d);
else
return 0;
}
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javas...
What is the python keyword “with” used for? [duplicate]
...code is executed. In this section, I’ll discuss the statement as it will commonly be used. In the next section, I’ll examine the implementation details and show how to write objects for use with this statement.
The with statement is a control-flow structure whose basic structure is:
with express...
CodeIgniter removing index.php from url
...e ^(.*)$ index.php/$1 [L] But still I can view the page in both way domain.com/about-us , domain.com/index.php/about-us and domain.com/index.php?/about-us which generating SEO error i.e duplicate title tag and duplicate meta description
– Musaddiq Khan
Jun 26 '...
Flushing footer to bottom of the page, twitter bootstrap
...dding-bottom: 70px; } or otherwise the page content may be covered.
Docs: http://getbootstrap.com/components/#navbar-fixed-bottom
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Java Date vs Calendar
...
Date is a simpler class and is mainly there for backward compatibility reasons. If you need to set particular dates or do date arithmetic, use a Calendar. Calendars also handle localization. The previous date manipulation functions of Date have since been deprecated.
Personally I ...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
理解Python的 with 语句With语句是什么？Python’s with statement provides a very convenient way of dealing with the situation where you
With语句是什么？
Python’s with statement provides a very convenient way of dealing with the situation where you have to do a setup an...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...nterprise Linux $releasever - $basearch - Source
baseurl=ftp://ftp.redhat.com/pub/redhat/linux/enterprise/$releasever/en/os/SRPMS/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[rhel-source-beta]
name=Red Hat Enterprise Linux $releasever Beta - $basearch - S...
REST API Login Pattern
...cation of REST APIs in general, you can look at the following resources:
http://www.infoq.com/news/2010/01/rest-api-authentication-schemes
REST API Authentication
RESTful API Authentication
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Set the absolute position of a view
...FrameLayout as fullscreen container:
XML
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/root"
android:background="#33AAFF"
android:layout_width="match_parent"
android:layout_height="mat...
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