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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
jquery data selector
..., and then select using that attribute:
var elm = $('a').attr('data-test',123); //assign 123 using attr()
elm = $("a[data-test=123]"); //select elm using attribute
and now for that elm, both attr() and data() will yield 123:
console.log(elm.attr('data-test')); //123
console.log(elm.data('test'))...
Comma separator for numbers in R?
...rn a vector of characters. I'd only use that for printing.
> prettyNum(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
> format(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
EDIT: As Michael Chirico says in the comment:
Be aware that these have the side effect of padd...
How to secure MongoDB with username and password
... server with --auth. However, when I try to login (./mongo -u theadmin -p 12345 ) I fail. I can't login.
– murvinlai
Feb 3 '11 at 0:10
...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... => /test
[QUERY_STRING] =>
Query String
http://domain.com/test?123
[PHP_SELF] => /index.php/test
[PATH_INFO] => /test
[REQUEST_URI] => /test?123
[QUERY_STRING] => 123
Example 2
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{R...
How to validate phone numbers using regex
...ou should discard the (0) entirely).
Then, you end up with values like:
12345678901
12345678901x1234
345678901x1234
12344678901
12345678901
12345678901
12345678901
+4112345678
+441234567890
Then when you display, reformat to your hearts content. e.g.
1 (234) 567-8901
1 (234) 567-89...
Regex to check whether a string contains only numbers [duplicate]
I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something?
21...
Difference between assertEquals and assertSame in phpunit?
...
Moreover,
// Passes
$this->assertSame("123.", "123.");
$this->assertEquals("123.", "123");
// Fails
$this->assertSame("123.", "123");
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String.format() to format double in java
..."#,##0.00", decimalFormatSymbols);
System.out.println(decimalFormat.format(1237516.2548)); //1,237,516.25
Locale-based formatting is preferred, though.
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What does “fragment” mean in ANTLR?
...BER will always return a NUMBER to the lexer, regardless of if it matched "1234", "0xab12", or "0777".
See item 3
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