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How do you use “

... <<- is most useful in conjunction with closures to maintain state. Here's a section from a recent paper of mine: A closure is a function written by another function. Closures are so called because they enclose the environment of the parent function, and can ...
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Why can't I push to this bare repository?

Can you explain what is wrong with this workflow? 6 Answers 6 ...
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Hibernate vs JPA vs JDO - pros and cons of each? [closed]

I'm familiar with ORM as a concept, and I've even used nHibernate several years ago for a .NET project; however, I haven't kept up with the topic of ORM in Java and haven't had a chance to use any of these tools. ...
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What are the pros and cons of performing calculations in sql vs. in your application

... It depends on a lot of factors - but most crucially: complexity of calculations (prefer doing complex crunching on an app-server, since that scales out; rather than a db server, which scales up) volume of data (if you need ...
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Colorized grep — viewing the entire file with highlighted matches

...r=always flag to be tremendously useful. However, grep only prints lines with matches (unless you ask for context lines). Given that each line it prints has a match, the highlighting doesn't add as much capability as it could. ...
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How do I check if an integer is even or odd? [closed]

...r when dividing by 2: if (x % 2) { /* x is odd */ } A few people have criticized my answer above stating that using x & 1 is "faster" or "more efficient". I do not believe this to be the case. Out of curiosity, I created two trivial test case programs: /* modulo.c */ #include <stdio.h&g...
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Python function global variables?

... If you want to simply access a global variable you just use its name. However to change its value you need to use the global keyword. E.g. global someVar someVar = 55 This would change the value of the global variable to 55. Otherwise it would just assign 55 to a local variable. ...
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Is there a Google Keep API? [closed]

...I for Google Keep? I want to make a windows 8 app for Google Keep, so that it synchronizes with your phone. 3 Answers ...
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Primary key or Unique index?

At work we have a big database with unique indexes instead of primary keys and all works fine. 15 Answers ...
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Explanation of …

...cript> , which contained code that looks like something out of PHP but with JavaScript tags. 7 Answers ...