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What is q=0.5 in Accept* HTTP headers?
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edited Jun 20 at 9:12
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answered Dec 18 '11 at 16:...
Fastest way to check if a string matches a regexp in ruby?
...ttern.match?(string)
Regexp#match? is explicitly listed as a performance enhancement in the release notes for 2.4.0, as it avoids object allocations performed by other methods such as Regexp#match and =~:
Regexp#match?
Added Regexp#match?, which executes a regexp match without creating a bac...
What is Java String interning?
...od will see more significant differences.
-- From Java SE 7 Features and Enhancements
Update: Interned strings are stored in main heap from Java 7 onwards. http://www.oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html#jdk7changes
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...可以不安装或在安装完 pdksh 以后再安装。
将pdksh 程序包下载到本地。 Pdksh安装包需要在网上下载光盘里没有
# rpm -ivh pdksh-5.2.14-37.el5_8.1.x86_64.rpm
注意：如果提示该程序包与 ksh冲突，如果已经安装 ksh，建议使用命令 rpm -e ksh...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...of elements as it will not work for circular references. I've made a minor enhancement to Douglas Crockford JSON.decycle method so you can use it with DOM Nodes. Use console.log(JSON.stringify(JSON.decycle(object, true)) to dump almost any object. Fork: github.com/Eccenux/JSON-js/blob/master/cycle.j...
400 BAD request HTTP error code meaning?
...es and other middleware often use status codes to help route, report & repair. fortunately codes like "422" are expressly regarding the payload, so there is some room in the spec for payload status codes.
– Erik Aronesty
May 29 '19 at 11:50
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...ve() method on the iterator itself. Note that this means you can't use the enhanced for loop.
As an example of the second option, removing any strings with a length greater than 5 from a list:
List<String> list = new ArrayList<String>();
...
for (Iterator<String> iterator = list...
Why exactly is eval evil?
...oo (+ 2 1) 4)
This does not give the desired result.
One then may want to repair the macro FOO by EVALuating the variable:
(defmacro foo (a b)
(list (if (eql (eval a) 3) 'sin 'cos) b))
(foo (+ 2 1) 4)
But then this still does not work:
(defun bar (a b)
(foo a b))
The value of the variable is...
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
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Notifier 通知扩展
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UrsAI2N...
Get query from java.sql.PreparedStatement [duplicate]
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@Jason: use Log4jdbc then. In the meanwhile, post an enhancement request to SQLite development team and hope that they'll implement it as well.
– BalusC
May 7 '12 at 21:37
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