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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...
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Difference between assertEquals and assertSame in phpunit?

... Moreover, // Passes $this->assertSame("123.", "123."); $this->assertEquals("123.", "123"); // Fails $this->assertSame("123.", "123"); share | improve this ...
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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 share | improve this answer | follow | ...
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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. share | improve this answer | ...
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cn.fun123.ClientSocketAI2Ext 中文网升级版 Socket客户端拓展,TCP通信拓...

原版: 报错后,App直接崩溃,没得选择,体验不好! AppInventor2中文网升级版: 连接出错后,使用对话框组件个性展示出错信息,App仍然能够正常运行: 注:由于此拓展编译自最新的平台源码,经过测试,AI伴侣 &l...
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How do you round to 1 decimal place in Javascript?

...turn Math.round(value * multiplier) / multiplier; } ... usage ... round(12345.6789, 2) // 12345.68 round(12345.6789, 1) // 12345.7 ... defaults to round to nearest whole number (precision 0) ... round(12345.6789) // 12346 ... and can be used to round to nearest 10 or 100 etc... round(12345....
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Update multiple rows in same query using PostgreSQL

...izable: update test as t set column_a = c.column_a from (values ('123', 1), ('345', 2) ) as c(column_b, column_a) where c.column_b = t.column_b; You can add as many columns as you like: update test as t set column_a = c.column_a, column_c = c.column_c from (values ('12...
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Extract digits from a string in Java

...cimal point, it removes the decimal point too. str = str.replaceAll("[^\\.0123456789]",""); – Aravindan R Jan 10 '12 at 22:21 ...
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How to delete last character from a string using jQuery?

How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery . ...
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Best practices for API versioning? [closed]

... behave identically to all API requests): http://shonzilla/api/customers/1234 http://shonzilla/api/v3.0/customers/1234 http://shonzilla/api/v3/customers/1234 In addition, API clients that still try to point to the old API should be informed to use the latest previous API version, if the API vers...