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Can a JSON value contain a multiline string
...And if you want to write newlines inside your JSON syntax without actually including newlines in the data, then you're even doubly out of luck. While JSON is intended to be human-friendly to a degree, it is still data and you're trying to apply arbitrary formatting to that data. That is absolutely n...
ActiveRecord: size vs count
...s.build(:name => "device2"), then company.devices.size and .length will include the number of objects you've built but haven't saved, .count will report only the count from the database.
– Shawn J. Goff
Sep 6 '13 at 18:54
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Why does C# disallow readonly local variables?
...writing to the variable after the initial declaration (which would have to include an assignment).
Can I see value in this? Potentially - but not a lot, to be honest. If you can't easily tell whether or not a variable is going to be assigned elsewhere in the method, then your method is too long.
F...
Memcached vs APC which one should I choose? [closed]
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2014 update: PHP 5.5 will nativly include Zend Optimizer Plus (which is only for opcache, so not for user cache) and it seems APC will not be developed beyond PHP 5.4? However there is now APCu pecl.php.net/package/APCu, which took only the user cache parts o...
Can you Run Xcode in Linux?
...but due to performance constraints, they eventually decided they needed to include the Unix portion of the API into the kernel itself and so a BSD-compatible "server" (originally intended to process requests for BSD-compatible kernel messages) was moved into the kernel, making it a Monolithic kernel...
data.frame rows to a list
... 40.5 183 4490 1.0
Also we can get the same result with Rcpp:
#include <Rcpp.h>
using namespace Rcpp;
// [[Rcpp::export]]
List df2list(const DataFrame& x) {
std::size_t nrows = x.rows();
std::size_t ncols = x.cols();
CharacterVector nms = x.names();
List res(no...
Assert equals between 2 Lists in Junit
...gacy answer, suitable for JUnit 4.3 and below. The modern version of JUnit includes a built-in readable failure messages in the assertThat method. Prefer other answers on this question, if possible.
List<E> a = resultFromTest();
List<E> expected = Arrays.asList(new E(), new E(), ...);
a...
Getting a list of all subdirectories in the current directory
...ee the other solutions already posted, using os.listdir and os.path.isdir, including those at "How to get all of the immediate subdirectories in Python".
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Converting a UNIX Timestamp to Formatted Date String
...t using the DateTime object. It provides excellent support for dates/times including timezones etc
– liquorvicar
Apr 6 '12 at 7:35
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How to check certificate name and alias in keystore files?
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@ManmohanSoni I have updated it to include -v argument which reveals the alias
– Steven Mark Ford
Mar 22 '18 at 5:18
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