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Check for installed packages before running install.packages() [duplicate]
...h several users on different computers. One of its lines contains the install.packages("xtable") command.
16 Answers
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Including non-Python files with setup.py
... do I make setup.py include a file that isn't part of the code? (Specifically, it's a license file, but it could be any other thing.)
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How to update two tables in one statement in SQL Server 2005?
...se a transaction to make sure that two UPDATE statements are treated atomically. You can also batch them to avoid a round trip.
BEGIN TRANSACTION;
UPDATE Table1
SET Table1.LastName = 'DR. XXXXXX'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
UPDATE Table2
SET Table2.WAprr...
Hamcrest compare collections
...s with Hamcrest:
assertEquals(expectedList, actual.getList());
If you really intend to perform an order-insensitive comparison, you can call the containsInAnyOrder varargs method and provide values directly:
assertThat(actual.getList(), containsInAnyOrder("item1", "item2"));
(Assuming that you...
Java logical operator short-circuiting
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In fact, to be really complete, all of &&, ||, & and | evaluate left to right. For a set of booleans b1, b2, ..., bn, the short circuit versions will cease evaluation when the first of these booleans is true (||) or false (&&a...
How big can a user agent string get?
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HTTP specification does not limit length of headers at all.
However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds.
Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
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How to map atan2() to degrees 0-360
...swered Aug 21 '09 at 10:20
erikkallenerikkallen
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Why use Gradle instead of Ant or Maven? [closed]
What does another build tool targeted at Java really get me?
9 Answers
9
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How to check if an object is serializable in C#
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You have a lovely property on the Type class called IsSerializable.
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...el reports. I am currently using pandas quite heavily for my data, so naturally I would like to use the pandas.ExcelWriter method to generate these reports. However the fixed column widths are a problem.
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