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Single quotes vs. double quotes in Python [closed]
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If the string you have contains one, then you should use the other. For example, "You're able to do this", or 'He said "Hi!"'. Other than that, you should simply be as consistent as you can (within a module, within a package, within a project, within an organi...
How do I reload .bashrc without logging out and back in?
...out. Say you had the following line in .bashrc: export PATH=$PATH:foo, and then you change it to export PATH=$PATH:bar. If you log in and back out, only bar will be in the PATH, but if you do what you suggest, both foo and bar will be in the PATH. Do you know of a way around this?
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Combine two data frames by rows (rbind) when they have different sets of columns
...ctor of NAs that are concatenated into a list with the data.frame using c. Then, data.frame converts the result into an appropriate data.frame for the rbind.
rbind(
data.frame(c(df1, sapply(setdiff(names(df2), names(df1)), function(x) NA))),
data.frame(c(df2, sapply(setdiff(names(df1), names(df...
IE8 and JQuery's trim()
...n one is perhaps this:
return this.replace(/^\s+|\s+$/g, '');
}
}
Then trim will work regardless of the browser:
var result = " trim me ".trim();
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Why does Enumerable.All return true for an empty sequence? [duplicate]
The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC".
If you run it, b will be true.
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What's the purpose of META-INF?
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If you are using JPA then you must put a persistence.xml into that folder, that's something that doesn't happen automatically.
– JRSofty
May 26 '11 at 12:32
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What is the difference between os.path.basename() and os.path.dirname()?
... Remember that if you replace item with item/, which is a directory, then os.path.split('foo/bar/item/') returns ('foo/bar/item', '').
– jkdev
May 4 '17 at 17:24
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Capture Stored Procedure print output in .NET
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If you also want the rows affected count then you need a handler for the StatementCompleted event on the SqlCommand.
– Nicholas
Jan 25 '14 at 9:40
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Adjusting Eclipse console size
...ame thing I also forgot every time.
Step 1: form toolbar click on 'window' then 'preference'
step 2: go'run/Debug' form lift side of preference window and select 'console'
step 3: In right side of windows increase the size of 'Console buffer size(characters)'
step 4: click ok to exit
[window -->...
Case objects vs Enumerations in Scala
...umeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("EUR")
This is useful when wishing to persist enumerations (for example, to a database) or create them from data residing in files. However, I find in general that enumerations ar...