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How to limit depth for recursive file list?
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509
Checkout the -maxdepth flag of find
find . -maxdepth 1 -type d -exec ls -ld "{}" \;
Here I u...
How to list of all the tables defined for the database when using active record?
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answered Oct 1 '08 at 0:34
François BeausoleilFrançois Beausoleil
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How to format an inline code in Confluence?
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605
To insert inline monospace font in Confluence, surround the text in double curly-braces.
This ...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...he CharSequence, Collection, Map or Array object is not null and size > 0.
@NotBlank: The string is not null and the trimmed length is greater than zero.
To help you understand, let's look into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constrain...
How to exit a function in bash
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Aug 4 '13 at 11:12
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git produces Gtk-WARNING: cannot open display
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edited Jun 27 '13 at 7:07
answered Apr 19 '13 at 12:19
J...
How to get min/max of two integers in Postgres/SQL?
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306
Have a look at GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0)...
Format an Integer using Java String Format
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Use %03d in the format specifier for the integer. The 0 means that the number will be zero-filled if it is less than three (in this case) digits.
See the Formatter docs for other modifiers.
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PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using the limit parameter to explode so that php won't scan the string any more than what's needed.
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