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CSS: how do I create a gap between rows in a table?
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This creates extra space inside the table row. If the table rows have colors that will not look good.
– Kokodoko
How do I replace NA values with zeros in an R dataframe?
...want to apply the replacement to specific nurmeric vectors (leaving say... strings with NA): df[19:28][is.na(df[19:28])] <- 0
– jtdoud
Feb 9 '17 at 18:03
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Check if my app has a new version on AppStore
...Dictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=%@", appID]];
NSData* data = [NSData dataWithContentsOfURL:...
Syntax error on print with Python 3 [duplicate]
Why do I receive a syntax error when printing a string in Python 3?
3 Answers
3
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How to delete duplicates on a MySQL table?
...o = b.foo and
a.bar = b.bar
where b.myindex IS NULL;
#drop the extra column on the copied table
alter table penguins_copy drop moo;
select * from penguins_copy;
#drop the first table and put the copy table back:
drop table penguins;
create table penguins select * from penguins_copy...
How can you automatically remove trailing whitespace in vim
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This will also delete trailing spaces in multi-line strings, which may not be desired in some cases. But I guess there is no easy way to avoid this?
– luator
Aug 11 '15 at 8:58
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Setting table row height
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You can remove some extra spacing as well if you place a border-collapse: collapse; CSS statement on your table.
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Streaming via RTSP or RTP in HTML5
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Note: although this is not a native support it doesn't require anything extra on user frontend.
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How do I add comments to package.json for npm install?
...r in git commit diffs or in editor while working with package.json.
And no extra tools involved, just plain and valid JSON.
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How to check if a symlink exists
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How about using readlink?
# if symlink, readlink returns not empty string (the symlink target)
# if string is not empty, test exits w/ 0 (normal)
#
# if non symlink, readlink returns empty string
# if string is empty, test exits w/ 1 (error)
simlink? () {
test "$(readlink "${1}")";
}
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