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Write lines of text to a file in R
... lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks.
– Tal Galili
Mar 18 '10 at 15:02
8
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Validating with an XML schema in Python
...eli Exactly what I wanted to underline, this may not be appropriate for anyone.
– sorin
Jul 8 '10 at 19:48
1
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Counting DISTINCT over multiple columns
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+1 Nice one, works perfect (when you have the right column types to perform a CheckSum on... ;)
– Bernoulli IT
Nov 7 '12 at 12:54
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How do you create optional arguments in php?
...MMasteR, here, you mean $bar === false - this is an action that should be done when $bar has defaulted to false. This will avoid incorrect action if 0 is passed in, so it does work - UNLESS a boolean is needed. As Kzqai said, a more general solution is to use $bar = null, because that can also be u...
Rails 4: before_filter vs. before_action
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On the one hand deprecating has sense but on the other there is a good practice in rails and in ruby to have several aliases for one method so you can use it in different contexts without loss of meaning.
– fre...
Can I try/catch a warning?
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Set and restore error handler
One possibility is to set your own error handler before the call and restore the previous error handler later with restore_error_handler().
set_error_handler(function() { /* ignore errors */ });
dns_get_record();
restore_err...
How to manually include external aar package using new Gradle Android Build System
... put it on dev machines or in your project's lib folder. If you just have one dependency, throw it out into a maven structured Google code repository (as a temp repo)
– Lo-Tan
Jun 27 '14 at 19:43
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sed whole word search and replace
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Using perl is always a better solution: perl -pe 's|\bone\b|two|g'. Works stably while sed fails here and there.
– Pavel Vlasov
Mar 22 '19 at 1:13
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JavaScript closures vs. anonymous functions
...bles (which are defined in a parent scope of F) then:
There must be only one parent scope of F to which a free variable is bound.
If F is referenced from outside that parent scope, then it becomes a closure for that free variable.
That free variable is called an upvalue of the closure F.
Now le...
Git diff --name-only and copy that list
... what operating system are you using? If it's a Linux distribution, which one, and what does xargs --version say?
– Mark Longair
Apr 9 '11 at 14:57
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