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What does “abstract over” mean?
...or example, consider a program that takes the sum of the numbers 1, 2, and 3:
val sumOfOneTwoThree = 1 + 2 + 3
This program is not very interesting, since it's not very abstract. We can abstract over the numbers we're summing, by integrating all lists of numbers under a single symbol ns:
def sum...
Read file data without saving it in Flask
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edited Nov 16 '13 at 11:31
answered Nov 16 '13 at 11:23
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I want to use CASE statement to update some records in sql server 2005
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What does `someObject.new` do in Java?
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edited Jul 17 '13 at 22:15
JayQuerie.com
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Timeout function if it takes too long to finish [duplicate]
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236
The process for timing out an operations is described in the documentation for signal.
The bas...
Divide a number by 3 without using *, /, +, -, % operators
How would you divide a number by 3 without using * , / , + , - , % , operators?
48 Answers
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Tips for debugging .htaccess rewrite rules
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134
Here are a few additional tips on testing rules that may ease the debugging for users on shared...
【解决】bufferevent_openssl.c:228:19: error: storage size of \'methods...
【解决】bufferevent_openssl.c:228:19: error: storage size of 'methods_bufferevent' isn't knownxunsearch 升级 安装的时候报 libevent 编译错误：bufferevent_openssl c:228:19: error: storage size of & 39;methods_bufferevent& 39; isn& 39;t knownstatic BIO_ xunsearch 升级/安装的时...
What is std::move(), and when should it be used?
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Wikipedia Page on C++11 R-value references and move constructors
In C++11, in addition to co...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
...direct getter available.
System.out.printf("%d-%02d-%02d %02d:%02d:%02d.%03d", year, month, day, hour, minute, second, millis);
Or, when you're not on Java 8 yet, make use of java.util.Calendar.
Calendar now = Calendar.getInstance();
int year = now.get(Calendar.YEAR);
int month = now.get(Calendar....