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Replace multiple whitespaces with single whitespace in JavaScript string

...place(/\s+/g, ' '); }; This now enables you to use the following elegant forms to produce the strings you want: "Get rid of my whitespaces.".killWhiteSpace(); "Get rid of my extra whitespaces".reduceWhiteSpace(); ...
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Why are these numbers not equal?

... really thinks in decimal: sprintf("%.54f",1.1-0.2) #[1] "0.900000000000000133226762955018784850835800170898437500" sprintf("%.54f",0.9) #[1] "0.900000000000000022204460492503130808472633361816406250" You can see these numbers are different, but the representation is a bit unwieldy. If we look a...
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DDD - the rule that Entities can't access Repositories directly

...s bounded context the product catalog is. You still might access product information and update product via a service bus, but you must realize that a product catalog outside the bounded context might mean something completely different. Back to your original question. If you're accessing a reposit...
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Remove a string from the beginning of a string

... Plain form, without regex: $prefix = 'bla_'; $str = 'bla_string_bla_bla_bla'; if (substr($str, 0, strlen($prefix)) == $prefix) { $str = substr($str, strlen($prefix)); } Takes: 0.0369 ms (0.000,036,954 seconds) And with: ...
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JQuery to check for duplicate ids in a DOM

... It gives false positive for forms which have input with name=id. javascript:(function () { var ids = {}; var found = false; $('[id]').each(function() { var id = this.getAttribute('id'); if (id && ids[id]) { found = true; ...
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What do two question marks together mean in C#?

...te like the ternary (immediate-if) operator. See also ?? Operator - MSDN. FormsAuth = formsAuth ?? new FormsAuthenticationWrapper(); expands to: FormsAuth = formsAuth != null ? formsAuth : new FormsAuthenticationWrapper(); which further expands to: if(formsAuth != null) FormsAuth = formsA...
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?

...otal of 8 bytes. As TIMESTAMP only stores the number of seconds since 1970-01-01, it uses 4 bytes. You can read more about the differences between time formats in MySQL here. In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or...
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Is there a reason that we cannot iterate on “reverse Range” in ruby?

... When trying to add years to a form, I used: = f.select :model_year, (Time.zone.now.year + 1).downto(Time.zone.now.year - 100).to_a – Eric Norcross May 2 '18 at 0:14 ...
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Android soft keyboard covers EditText field

...scrolled. --> </LinearLayout> <ScrollView android:id="@+id/MainForm" > <!-- Here add your edittexts or whatever will scroll. --> </ScrollView> I would typically have a LinearLayout inside the ScrollView, but that is up to you. Also, setting Scrollbar style to outsideIn...
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Windows path in Python

...e backslash and the next character in the literal were grouped together to form a single character in the final string. The full list of Python's escape sequences is here. There are a variety of ways to deal with that: Python will not process escape sequences in string literals prefixed with r or...