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How to create a file in Ruby
...
Use:
File.open("out.txt", [your-option-string]) {|f| f.write("write your stuff here") }
where your options are:
r - Read only. The file must exist.
w - Create an empty file for writing.
a - Append to a file.The file is created if it does not exist.
r+ ...
How to word wrap text in HTML?
...the word to be wrapped is an overly.long.java.package.name or some similar string with many dots. then you can add the ­ after each dot.
– dokaspar
Aug 29 '12 at 14:12
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Regular Expression: Any character that is NOT a letter or number
...lace(/[^\w]/);
It will replace all the non-alphabets and numbers from your string!
Edit 1: str.replace(/[^\w]/g, ' ')
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How to select an option from drop down using Selenium WebDriver C#?
...cting control by ID and option by text):
protected void clickOptionInList(string listControlId, string optionText)
{
driver.FindElement(By.XPath("//select[@id='"+ listControlId + "']/option[contains(.,'"+ optionText +"')]")).Click();
}
use:
clickOptionInList("ctl00_ContentPlaceHolder_lbxAll...
What is the difference between getFields and getDeclaredFields in Java reflection
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As already mentioned, Class.getDeclaredField(String) only looks at the fields from the Class in which you call it.
If you want to search a Field in the Class hierarchy, you can use this simple function:
/**
* Returns the first {@link Field} in the hierarchy for the s...
How to sort a file, based on its numerical values for a field?
...an page for sort...
-n, --numeric-sort
compare according to string numerical value
So here is an example...
sort -n filename
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Handling colon in element ID with jQuery
...z" and thus fail.
//You would first have to look for ":" in the id string, then replace it
var jEle = $(document.getElementById(id)); //forget about the fact
//that the id string might contain ':', this always works
}
//just to give an idea that the ID might be coming...
How to disable an Android button?
...ontent"
android:layout_width="wrap_content"
android:text="@string/button_text"
android:clickable = "false" />
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How to make a phone call using intent in Android?
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More elegant option:
String phone = "+34666777888";
Intent intent = new Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", phone, null));
startActivity(intent);
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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...ailable in jvm.
public class MemoryTest {
public static void main(String args[]) {
System.out.println("Used Memory : " + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) + " bytes");
System.out.println("Free Memory : " + Runtime.g...