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Array initializing in Scala
...
scala> val arr = Array("Hello","World")
arr: Array[java.lang.String] = Array(Hello, World)
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...要为 网络访问、扣取结构化数据、存储。我们看一下用java程序如何来实现这一过程。
import java.io.IOException;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
i...
Converting a string to an integer on Android
... and the static parseInt() method:
http://developer.android.com/reference/java/lang/Integer.html
Integer.parseInt(et.getText().toString());
You will need to catch NumberFormatException though in case of problems whilst parsing, so:
int myNum = 0;
try {
myNum = Integer.parseInt(et.getText()...
Polymorphism with gson
...ain. This is what happened in my similar code.
– che javara
Nov 27 '13 at 22:11
6
Wrong. This sol...
What is the easiest way to remove the first character from a string?
... coming from a C --> Perl background which probably colors my thinking. Java developers would probably think it's less readable. Either is an acceptable way to accomplish the task as long as it's easily understood and maintainable and doesn't load the CPU unduly.
– the Tin M...
Building a fat jar using maven
... <dependencyReducedPomLocation>
${java.io.tmpdir}/dependency-reduced-pom.xml
</dependencyReducedPomLocation>
<relocations>
<relocation>
...
Parse query string into an array
... note accurate, it could display for example:
$url = "somepage?id=123&lang=gr&size=300";
parse_str() would return:
Array (
[somepage?id] => 123
[lang] => gr
[size] => 300
)
It would be better to combine parse_str() with parse_url() like so:
$url = "somepage?id...
Test if object implements interface
... work in a NullPointerException safe way. For example:
if ("" instanceof java.io.Serializable) {
// it's true
}
yields true. Since:
if (null instanceof AnyType) {
// never reached
}
yields false, the instanceof operator is null safe (the code you posted isn't).
instanceof is th...
Is it OK to use Gson instance as a static field in a model bean (reuse)?
...
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How to get UTF-8 working in Java webapps?
I need to get UTF-8 working in my Java webapp (servlets + JSP, no framework used) to support äöå etc. for regular Finnish text and Cyrillic alphabets like ЦжФ for special cases.
...