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How to display an unordered list in two columns?

... contents of the list changes you will need to perform the operation for reordering the list into columns and reprinting. The solution below uses jQuery for brevity. http://jsfiddle.net/HP85j/19/ HTML: <div> <ul class="columns" data-columns="2"> <li>A</li> ...
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When should I use the Visitor Design Pattern? [closed]

...virtual void hereIsACat(Cat *c) = 0; }; Then, we modify the hierarchy in order to accept new operations: class Animal { public: virtual void letsDo(Operation *v) = 0; }; class Dog : public Animal { public: void letsDo(Operation *v); }; void Dog::letsDo(Operation *v) { v->hereIsADog(this); } ...
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Is it possible to write to the console in colour in .NET?

...not be garbled. See stackoverflow.com/questions/4812508/…. It's just the order of the write-calls which is not "safe". – BatteryBackupUnit Oct 17 '17 at 9:29 ...
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How to fix “Headers already sent” error in PHP

... Unintentional: Whitespace before <?php or after ?> The UTF-8 Byte Order Mark specifically Previous error messages or notices Intentional: print, echo and other functions producing output Raw <html> sections prior <?php code. Why does it happen? To understand why header...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

.../java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to make command line tools use Java 7. export JAVA_HOME="`/usr/libexec/java_home -v '1.7*'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bund...
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Difference between @import and link in CSS

... there's any difference. Just make sure to put the URL in double quotes in order to comply with valid XHTML. share | improve this answer | follow | ...
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scala vs java, performance and memory? [closed]

...guages Benchmark Game Scala code is written in a rather Java-like style in order to get Java-like performance, and thus has Java-like memory usage. You can do this in Scala: if you write your code to look like high-performance Java code, it will be high-performance Scala code. (You may be able to ...
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What is PAGEIOLATCH_SH wait type in SQL Server?

... like this: Select * from <table> where <col1> = <value> order by <PrimaryKey> , check that you have a composite index on (col1, col_primary_key). If you don't have one, then you'll need either a full INDEX SCAN if the PRIMARY KEY is chosen, or a SORT if an index on col1 is ...
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Storing money in a decimal column - what precision and scale?

...However, rather than a one-size-fits-all approach, some research may be in order. Ask your designer or domain expert about accounting rules which may be applicable: GAAP, EU, etc. I vaguely recall some EU intra-state transfers with explicit rules for rounding to five decimal places, therefore using ...
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Rails extending ActiveRecord::Base

... end # add your static(class) methods here class_methods do #E.g: Order.top_ten def top_ten limit(10) end end end # include the extension ActiveRecord::Base.send(:include, ActiveRecordExtension) Create a file in the config/initializers directory called extensions...