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Why does pattern matching in Scala not work with variables?
...atch {
case `target` => println("It was" + target)
case _ => println("It was something else")
}
}
def mMatch2(s: String) = {
val Target: String = "a"
s match {
case Target => println("It was" + Target)
case _ => println("It was something else"...
Bash: Copy named files recursively, preserving folder structure
... You can also use the -C option to do the chdir for you - tar cf - _files_ | tar -C /dest xf - or something like that.
– D.Shawley
Oct 30 '09 at 15:05
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Why does i = i + i give me 0?
...
230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since it's essentially arithmetic mod 2^32.
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Disabling Minimize & Maximize On WinForm?
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If you want to ever actually close the form, make a class-wide boolean _close and, in your handler, set e.Cancel to !_close, so that whenever the user clicks the X on the window, it doesn't close, but you can still close it (without just killing it) with close = true; this.Close();
(And just to...
How do you set, clear, and toggle a single bit?
... behaviour to shift by more than the width of a long. The same applies to all the rest of the examples.
Clearing a bit
Use the bitwise AND operator (&) to clear a bit.
number &= ~(1UL << n);
That will clear the nth bit of number. You must invert the bit string with the bitwise NOT op...
How can I make a Python script standalone executable to run without ANY dependency?
...'m building a Python application and don't want to force my clients to install Python and modules.
19 Answers
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Set variable in jinja
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Nice shorthand for Multiple variable assignments
{% set label_cls, field_cls = "col-md-7", "col-md-3" %}
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How to get scrollbar position with Javascript?
...roll position isn't set on document.body in most modern browsers - it's usually set on document.documentElement now. See bugs.chromium.org/p/chromium/issues/detail?id=157855 for Chrome's transition.
– fzzfzzfzz
May 3 '18 at 15:51
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How to run SQL script in MySQL?
...ing '/' instead of '\' worked correctly for me. I got errors when I originally used '/'. This is what worked for me...source C:/Users/macombers/Downloads/midcoast_db.sql;
– Zack Macomber
Oct 3 '14 at 15:09
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How can I get the SQL of a PreparedStatement?
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Although this is functionally true, there's nothing preventing utility code from reconstructing an equivalent unprepared statement. For example, in log4jdbc: "In the logged output, for prepared statements, the bind arguments are automatically insert...