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Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...[text boundingRectWithSize:size
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:FONT}
context:nil];
CGSize size = textRect.size;
Just change "FONT" for an "[UIFont font.....
Calling virtual functions inside constructors
... System.out.println( "Derived: " + x );
}
public static void main( String args[] ) {
Derived d = new Derived( 5 );
}
}
// outputs: Derived 0
// Derived 5
// ... so much for final attributes never changing :P
As you see, calling a polymorphic (virtual in C++ terminology) m...
Java: Integer equals vs. ==
...r values. Hence the comparison with == only works for numbers between -128 and 127.
Refer: #Immutable_Objects_.2F_Wrapper_Class_Caching
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Associative arrays in Shell scripts
...you can use test -z ${variable+x} (the x doesn't matter, that could be any string). For an associative array in Bash, you can do similar; use test -z ${map[key]+x}.
– Brian Campbell
Feb 6 '14 at 5:00
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Change project name on Android Studio
...
don't forget to change app_name in strings.xml, otherwise it will build the apk with the old name
– shabby
Mar 5 '19 at 10:16
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How can I read command line parameters from an R script?
...s[2] etc.
Then run
Rscript myscript.R arg1 arg2 arg3
If your args are strings with spaces in them, enclose within double quotes.
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How do I get the MIN() of two fields in Postgres?
...ue of expression across all input values with` expression` is any numeric, string, date/time, network, or enum type, or arrays of these types
– charlesdg
Jan 11 '19 at 10:05
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ASP.NET: Session.SessionID changes between requests
...text.Current.Response.Cookies.Count > 0)
{
foreach (string s in HttpContext.Current.Response.Cookies.AllKeys)
{
if (s == FormsAuthentication.FormsCookieName || s.ToLower() == "asp.net_sessionid")
{
HttpContext.Cur...
How to change the icon of an Android app in Eclipse?
...android:icon="@drawable/ic_launcher" <--------
android:label="@string/app_name"
android:theme="@style/AppTheme" >
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Pass column name in data.table using variable [duplicate]
...quotes on the column names when you do it this way, because the quote()-ed string will be evaluated inside the DT[]
temp <- quote(x)
DT[ , eval(temp)]
# [1] "b" "b" "b" "a" "a"
With a single column name, the result is a vector. If you want a data.table result, or several columns, use list form...