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How can I have a newline in a string in sh?
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The solution is to use $'string', for example:
$ STR=$'Hello\nWorld'
$ echo "$STR" # quotes are required here!
Hello
World
Here is an excerpt from the Bash manual page:
Words of the form $'string' are treated specially. The word expands to
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Send a file via HTTP POST with C#
...ts. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpContent fileStreamContent = new StreamContent(paramFileStream);
...
Android: Create spinner programmatically from array
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ArrayAdapter<String> should work.
i.e.:
Spinner spinner = new Spinner(this);
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>
(this, android.R.layout.simple_spinner_item,
spinnerA...
When should I use “this” in a class?
...er "name" to the instance variable "name".
public class Foo
{
private String name;
public void setName(String name) {
this.name = name;
}
}
Case 2: Using this as an argument passed to another object.
public class Foo
{
public String useBarMethod() {
Bar theBar = ...
Converting a string to a date in JavaScript
How can I convert a string to a date in JavaScript?
33 Answers
33
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程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...ext;
namespace AES
{
class MainClass
{
public static void Main (string[] args)
{
string password = "Don't believe wang shu shu";
string orginTextToSent = "I Love You, Li Li";
Console.WriteLine (orginTextToSent);
string encryptedText=EncryptText(orginTextToSent, passwo...
Android, How can I Convert String to Date?
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From String to Date
String dtStart = "2010-10-15T09:27:37Z";
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
try {
Date date = format.parse(dtStart);
System.out.println(date);
} catch...
InputStream from a URL
...dles redirects and one can pass a variable number of HTTP headers asMap<String,String>. It also allows redirects from HTTP to HTTPS.
private InputStream urlToInputStream(URL url, Map<String, String> args) {
HttpURLConnection con = null;
InputStream inputStream = null;
try {...
What is the instanceof operator in JavaScript?
...an example taken directly from Mozilla's developer site:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral"; //no type specified
color2 instanceof String; // returns false (color2 is not a String object)
One thing worth mentioning is instanceof evalua...
Regular Expression to find a string included between two characters while EXCLUDING the delimiters
I need to extract from a string a set of characters which are included between two delimiters, without returning the delimiters themselves.
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