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In Unix, can I run 'make' in a directory without cd'ing to that directory first?
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As noted in other answers, make(1) has a -C option for this; several commands have similar options (e.g. tar). It is useful to note that for other commands which lack such options the following can be used:
(cd /dir/path && command-to-run)
This runs the command in...
Change how fast “title” attribute's tooltip appears
...no way. The title attribute is implemented in a browser dependent fashion. For example I remember differences between IE and FF when using \r\n inside it.
Mozilla's docs explain the limits and functionality well.
If you want customization you may take a look at third party plugins such as qTip2 w...
How to conclude your merge of a file?
...RGE*, which store what have you tried to merge, and default commit message for that merge
– MBO
Mar 19 '12 at 22:04
1
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How do I search within an array of hashes by hash values in ruby?
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You're looking for Enumerable#select (also called find_all):
@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation...
Return number of rows affected by UPDATE statements
... is exactly what the OUTPUT clause in SQL Server 2005 onwards is excellent for.
EXAMPLE
CREATE TABLE [dbo].[test_table](
[LockId] [int] IDENTITY(1,1) NOT NULL,
[StartTime] [datetime] NULL,
[EndTime] [datetime] NULL,
PRIMARY KEY CLUSTERED
(
[LockId] ASC
) ON [PRIMARY]
) ON [PRIMARY...
Using usort in php with a class private function
...on merchantSort($a,$b) {
return ...// the sort
}
And use an array for the second parameter:
$array = $this->someThingThatReturnAnArray();
usort($array, array('ClassName','merchantSort'));
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error upon assigning Layout: BoxLayout can't be shared
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Your problem is that you're creating a BoxLayout for a JFrame (this), but setting it as the layout for a JPanel (getContentPane()). Try:
getContentPane().setLayout(
new BoxLayout(getContentPane(), BoxLayout.PAGE_AXIS)
);
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Split a string on whitespace in Go?
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Unfortunately, strings.Fields doesn't ignore spaces in quoted parts.
– chmike
Dec 21 '18 at 13:26
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Regex to match a digit two or four times
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There's no specific syntax for that, but there are lots of ways to do it:
(?:\d{4}|\d{2}) <-- alternation: four digits or two
\d{2}(?:\d{2})? <-- two digits, and optionally two more
(?:\d{2}){1,2} <-- two digits, times one or two
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How to post JSON to PHP with curl
...s actually more correct, since you're not really processing http multipart form data anyway. Also, use application/json as content-type when posting your request.
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