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How to 'insert if not exists' in MySQL?
... ON DUPLICATE KEY UPDATE.
Imagine we have a table:
CREATE TABLE `transcripts` (
`ensembl_transcript_id` varchar(20) NOT NULL,
`transcript_chrom_start` int(10) unsigned NOT NULL,
`transcript_chrom_end` int(10) unsigned NOT NULL,
PRIMARY KEY (`ensembl_transcript_id`)
) ENGINE=InnoDB DEFAULT CHAR...
How to show line number when executing bash script
I have a test script which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a m...
Android file chooser [closed]
...owser_filter_extension_whitelist", "*.csv");
intent.putExtra("explorer_title", getText(R.string.andex_file_selection_title));
intent.putExtra("browser_title_background_color",
getText(R.string.browser_title_background_color));
intent.putExtra("browser_title_foreground_color",...
How to set the value to a cell in Google Sheets using Apps Script?
I want to set text or number in Google Sheet from script.
3 Answers
3
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How to update attributes without validation
...
Shouldn't that be
validates_length_of :title, :in => 6..255, :on => :create
so it only works during create?
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Link to add to Google calendar
...f="http://www.google.com/calendar/render?
action=TEMPLATE
&text=[event-title]
&dates=[start-custom format='Ymd\\THi00\\Z']/[end-custom format='Ymd\\THi00\\Z']
&details=[description]
&location=[location]
&trp=false
&sprop=
&sprop=name:"
target="_blank" rel="nofollow">Ad...
Reordering arrays
...xB] = tmp;
}
swapElement(playlist, 1, 2);
// [{"artist":"Herbie Hancock","title":"Thrust"},
// {"artist":"Faze-O","title":"Riding High"},
// {"artist":"Lalo Schifrin","title":"Shifting Gears"}]
Array indexes are just properties of the array object, so you can swap its values.
...
Make .gitignore ignore everything except a few files
...ns sources.
# Ignore everything
*
# But not these files...
!.gitignore
!script.pl
!template.latex
# etc...
# ...even if they are in subdirectories
!*/
# if the files to be tracked are in subdirectories
!*/a/b/file1.txt
!*/a/b/c/*
...
How do I change the color of the text in a UIPickerView under iOS 7?
...:
- (NSAttributedString *)pickerView:(UIPickerView *)pickerView attributedTitleForRow:(NSInteger)row forComponent:(NSInteger)component
{
NSString *title = @"sample title";
NSAttributedString *attString =
[[NSAttributedString alloc] initWithString:title attributes:@{NSForegroundColo...
How do I run a Ruby file in a Rails environment?
...he simplest way is with rails runner because you don't need to modify your script.
http://guides.rubyonrails.org/command_line.html#rails-runner
Just say rails runner script.rb
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