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How to find patterns across multiple lines using grep?
...ferent lines:
grep -Pzl '(?s)abc.*\n.*efg' <your list of files>
Params:
-P Use perl compatible regular expressions (PCRE).
-z Treat the input as a set of lines, each terminated by a zero byte instead of a newline. i.e. grep treats the input as a one big line.
-l list matching filenames...
AJAX post error : Refused to set unsafe header “Connection”
...
Remove these two lines:
xmlHttp.setRequestHeader("Content-length", params.length);
xmlHttp.setRequestHeader("Connection", "close");
XMLHttpRequest isn't allowed to set these headers, they are being set automatically by the browser. The reason is that by manipulating these headers you might...
What does inverse_of do? What SQL does it generate?
...seful. You can still generate a User @user with his association @user.role(params[:role_id]) so that saving the user would not result in a failing validation of the Assignment model.
share
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improve...
How to check if UILabel is truncated?
...
Swift (as extension) - works for multi line uilabel:
swift4: (attributes param of boundingRect changed slightly)
extension UILabel {
var isTruncated: Bool {
guard let labelText = text else {
return false
}
let labelTextSize = (labelText as NSString).boun...
How to insert newline in string literal?
...matMethod("format")]
public static string FormatIt(this string format, params object[] args)
{
if (format == null) throw new ArgumentNullException("format");
return string.Format(format.Replace("{nl}", Environment.NewLine), args);
}
Note
If you want ReSharper to high...
Limit Decimal Places in Android EditText
...{
private final int decimalDigits;
/**
* Constructor.
*
* @param decimalDigits maximum decimal digits
*/
public DecimalDigitsInputFilter(int decimalDigits) {
this.decimalDigits = decimalDigits;
}
@Override
public CharSequence filter(CharSequence source,
int star...
passing argument to DialogFragment
... way of working with Fragments, as JafarKhQ noted, you should not pass the params in the constructor but with a Bundle.
the built-in method for that in the Fragment class is setArguments(Bundle) and getArguments().
basically, what you do is set up a bundle with all your Parcelable items and send t...
How to create a custom exception type in Java? [duplicate]
...ss, for example:
class WordContainsException extends Exception
{
// Parameterless Constructor
public WordContainsException() {}
// Constructor that accepts a message
public WordContainsException(String message)
{
super(message);
}
}
Usage:
try
{
...
How do I prompt a user for confirmation in bash script? [duplicate]
..."echo" to get the cursor back on the next line. (just a raw "echo" with no params will do the trick)
– AlexChaffee
May 21 '11 at 4:00
13
...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
... be appreciated to make it clear you could actually change the propagation param
– sarbuLopex
Dec 19 '16 at 11:24
Isn'...