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Difference between break and continue statement
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What does Connect.js methodOverride do?
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And the source should be http://www.senchalabs.org/connect/methodOverride.html
– ilyaigpetrov
May 21 '13 at 6:45
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Truncating all tables in a Postgres database
...rn? You would probably have to write a PL/pgSQL script to do this.
http://www.postgresql.org/docs/8.3/static/plpgsql-statements.html (section 38.5.4. Executing Dynamic Commands)
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Group by multiple columns in dplyr, using string vector input
...oup_by_at(vars(one_of(columns))) %>%
summarize(Value = mean(value))
#compare plyr for reference
df2 <- plyr::ddply(data, columns, plyr::summarize, value=mean(value))
table(df1 == df2, useNA = 'ifany')
## TRUE
## 27
The output from your example question is as expected (see comparison to...
Multi-line string with extra space (preserved indentation)
...redoc sounds more convenient for this purpose. It is used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...on bridging to NSString when necessary. It seems Swift's String is still incomplete
– Connor
Jun 4 '14 at 18:49
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Is it OK to use == on enums in Java?
... for any two enums that are the same, == will be true.
Reference:
http://www.ajaxonomy.com/2007/java/making-the-most-of-java-50-enum-tricks
(couldn't find anything in the Sun docs)
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Regex to match string containing two names in any order
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Intellij reformat on file save
...ugin. It also supports optimize imports and rearrange code.
Works well in combination with the eclipse formatter plugin.
Search and activate the plugin:
Configure it:
Edit: it seems like it the recent version of Intellij the save action plugin is triggered by the automatic Intellij save. Thi...
Apache VirtualHost 403 Forbidden
...tried to set a test server up with Apache. The site must run under domain www.mytest.com . I always get a 403 Forbidden error. I am on Ubuntu 10.10 server edition. The doc root is under dir /var/www . The following are my settings:
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