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Rotating x axis labels in R for barplot
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answered Apr 23 '12 at 19:08
Tyler RinkerTyler Rinker
94.9k5555 gold badges282282 silver badges464464 bronze badges
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Most efficient way to prepend a value to an array
Assuming I have an array that has a size of N (where N > 0 ), is there a more efficient way of prepending to the array that would not require O(N + 1) steps?
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How do I set the proxy to be used by the JVM
...re's the example with the Unix shell script:
JAVA_FLAGS=-Dhttp.proxyHost=10.0.0.100 -Dhttp.proxyPort=8800
java ${JAVA_FLAGS} ...
When using containers such as JBoss or WebLogic, my solution is to edit the start-up scripts supplied by the vendor.
Many developers are familiar with the Java API (ja...
Reset identity seed after deleting records in SQL Server
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就拿最简单的两个数据使用Apache提供的 Levenshtein for 循环100w次计算这两个数据的相似度。代码结果如下：
String s1 = "你妈妈喊你回家吃饭哦，回家罗回家罗" ;
String s2 = "你妈妈叫你回家吃饭啦，回家罗回家罗" ;
long t1 = System.c...
How do I copy a hash in Ruby?
...e method is Ruby's standard, built-in way to do a shallow-copy:
irb(main):003:0> h0 = {"John" => "Adams", "Thomas" => "Jefferson"}
=> {"John"=>"Adams", "Thomas"=>"Jefferson"}
irb(main):004:0> h1 = h0.clone
=> {"John"=>"Adams", "Thomas"=>"Jefferson"}
irb(main):005:0>...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... -f
BEGIN {
FS="&";
}
NF == 4 {
param["page_x"] = "0";
param["page_y"] = "0";
param["screen_width"] = "0";
param["screen_height"] = "0";
split($0, query, "&");
for (key in query) {
split(query[key], item, "=");
if (item[1...
npm check and update package if needed
... if there is a newer version in the NPM registry.
For example, say xml2js 0.2.6 (located in node_modules in the current project) is outdated because a newer version exists (0.2.7). You would see:
xml2js@0.2.7 node_modules/xml2js current=0.2.6
To update all dependencies, if you are confident this...
How can I make a WPF combo box have the width of its widest element in XAML?
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answered Jun 24 '09 at 16:02
micahtanmicahtan
15.5k11 gold badge3434 silver badges3333 bronze badges
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“document.getElementByClass is not a function”
...e list):
var stopMusicExt = document.getElementsByClassName("stopButton")[0];
stopButton.onclick = function() {
var ta = document.getElementsByClassName("stopButton")[0];
document['player'].stopMusicExt(ta.value);
ta.value = "";
};
You may still get the error
document.getElements...