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NPM/Bower/Composer - differences?
...ger. It therefore targets nodejs environments, which usually means server-side nodejs projects or command-line projects (bower itself is a npm package). If you are going to do anything with nodejs, then you are going to use npm.
bower is a package manager that aims at (front-end) web projects. You ...
How does Amazon RDS backup/snapshot actually work?
...cit, it would make sense for Amazon to be using this infrastructure to provide RDS services.
Typically, a MySQL backup, in contrast to a snapshot, involves using a tool like mysqldump to create a file of SQL statements that will then reproduce the database. The database does not need to be frozen to...
Scala: Nil vs List()
...List())
true
scala> println (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be preferred in most cases.
Questions?
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Create module variables in Ruby
...rd Hey my mistake. Why the need for two '@@' class variables? Isn't it considered a code smell, especially if the class is extended to use class variables? I was testing this and I realized I could get the same result from a single @ instance variable. Is there a specific reason for using class vari...
Splitting String with delimiter
... answered Sep 13 '18 at 7:39
davidddpdavidddp
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sqlalchemy IS NOT NULL select
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The other answer is the preferred answer now; it also avoids many IDEs including PyCharm from generating warnings.
– Antti Haapala
Oct 6 '16 at 7:21
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In CoffeeScript how do you append a value to an Array?
... Author of the PragProg book here. +1 to Thilo's answer. I didn't want to cover the Array prototype methods in the book, since there's plenty of good JavaScript documentation out there already. See, for example, developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
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vim and NERD Tree extension - adding a file
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
NERDTree reload new files
...
Re-opening it didn't work because NERDTree caches the directory listing. You can see a message to that effect when refreshing with 'r'.
– mqsoh
Jan 9 '12 at 20:26
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Correct way to quit a Qt program?
...s success, so you should call QCoreApplication::exit() because you can provide a non-zero returnCode which, by convention, indicates an error.
It is important to note that "if the event loop is not running, this function (QCoreApplication::exit()) does nothing", so in that case you should call exit...