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MySQL ON vs USING?
...lid to just say film_id since that would make for an ambiguity:
ERROR 1052 (23000): Column 'film_id' in field list is ambiguous
As for select *, the joining column appears in the result set twice with ON while it appears only once with USING:
mysql> create table t(i int);insert t select 1...
How to debug Visual Studio extensions
I'm just writing a VSIX extension for Visual Studio 2010 and can't figure out how to debug it.
4 Answers
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C# - Multiple generic types in one list
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201
public abstract class Metadata
{
}
// extend abstract Metadata class
public class Metadata<...
JavaScript file upload size validation
...rt the `files` property of file inputs.");
}
else if (!input.files[0]) {
bodyAppend("p", "Please select a file before clicking 'Load'");
}
else {
file = input.files[0];
bodyAppend("p", "File " + file.name + " is " + file.size + " bytes in size");
}
}
func...
Ruby, Difference between exec, system and %x() or Backticks
...gument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby program. In fact, the actual return value is either true, false or nil. In the example the date was printed t...
Android: Coloring part of a string using TextView.setText()?
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201
Use spans.
Example:
final SpannableStringBuilder sb = new SpannableStringBuilder("your text h...
How to check if element exists using a lambda expression?
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Mark Hurd
9,8891010 gold badges5959 silver badges9292 bronze badges
answered Apr 11 '14 at 6:24
MasudulMasudul
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how to convert a string to date in mysql?
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Jacob
2,20311 gold badge99 silver badges1616 bronze badges
answered Mar 5 '11 at 3:14
bluefootbluefoot
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How do I get cURL to not show the progress bar?
...p://google.com > temp.html
works for curl version 7.19.5 on Ubuntu 9.10 (no progress bar). But if for some reason that does not work on your platform, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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Printing everything except the first field with awk
...works but it will leave a leading space: awk '{first = $1; $1 = ""; print $0, first; }'
You can also find the number of columns in NF and use that in a loop.
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