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Struggling with NSNumberFormatter in Swift for currency

...e on how to use it on Swift 3. ( Edit: Works in Swift 4 too ) let price = 123.436 as NSNumber let formatter = NumberFormatter() formatter.numberStyle = .currency // formatter.locale = NSLocale.currentLocale() // This is the default // In Swift 4, this ^ has been renamed to simply NSLocale.current ...
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How can I parse a time string containing milliseconds in it with python?

...ou're using 2.6 or 3.0, you can do this: time.strptime('30/03/09 16:31:32.123', '%d/%m/%y %H:%M:%S.%f') Edit: I never really work with the time module, so I didn't notice this at first, but it appears that time.struct_time doesn't actually store milliseconds/microseconds. You may be better off u...
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How can I convert a string to a number in Perl?

... This is a simple solution: Example 1 my $var1 = "123abc"; print $var1 + 0; Result 123 Example 2 my $var2 = "abc123"; print $var2 + 0; Result 0 share | improve thi...
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Test whether string is a valid integer

...of "+" (e.g. +30) which obviously is an integer. Results: $ int_check.sh 123 123 is an integer !! $ int_check.sh 123+ ERROR: first parameter must be an integer. $ int_check.sh -123 -123 is an integer !! $ int_check.sh +30 +30 is an integer !! $ int_check.sh -123c ERROR: first parameter must be...
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How many bytes does one Unicode character take?

...82 UTF-8: E2 84 A2 UTF-16: 21 22 U+2603 SNOWMAN: ☃ Nº: 9731 UTF-8: E2 98 83 UTF-16: 26 03 U+260E BLACK TELEPHONE: ☎ Nº: 9742 UTF-8: E2 98 8E UTF-16: 26 0E U+2614 UMBRELLA WITH RAIN DROPS: ☔ Nº: 9748 UTF-8: E2 98 94 UTF-16: 26 14 U+263A WHITE SMILING FACE: ☺ Nº: 9786 UTF-8: E2 98 ...
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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ontent content3 再把这三条消息发送给某个用户,其<USRID>是123: redis> SADD usr:123:msg 1 redis> SADD usr:123:msg 2 redis> SADD usr:123:msg 3 此时如果简单查询用户有哪些消息的话,无疑只能查到一些<MSGID>: redis> SMEMBERS usr:123:msg 1) "1" 2) "2...
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How to get the data-id attribute?

... To get the contents of the attribute data-id (like in &lt;a data-id="123"&gt;link&lt;/a&gt;) you have to use $(this).attr("data-id") // will return the string "123" or .data() (if you use newer jQuery &gt;= 1.4.3) $(this).data("id") // will return the number 123 and the part after data- ...
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What is the difference between a strongly typed language and a statically typed language?

...at's static typing. In PHP: $s = "abcd"; // $s is a string $s = 123; // $s is now an integer $s = array(1, 2, 3); // $s is now an array $s = new DOMDocument; // $s is an instance of the DOMDocument class That's dynamic typing. Strong/Weak Typing (Edit alert!) Strong typi...
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An example of how to use getopts in bash

...pecify strength, either 45 or 90. h | *) # Display help. $ ./foo.sh -s 123 -p any_string Strength needs to be either 45 or 90, 123 found instead. p is any_string $ ./foo.sh -s 90 -p any_string Strength is 90. p is any_string See: Small getopts tutorial at Bash Hackers Wiki ...
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How can I pad a String in Java?

...*chars Display '*' for characters of password: String password = "secret123"; String padded = String.format("%"+password.length()+"s", "").replace(' ', '*'); output has the same length as the password string: secret123 ********* ...