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What is “callback hell” and how and why does RX solve it?
...ample, say I want to run code that looks like this:
x = getData();
y = getMoreData(x);
z = getMoreData(y);
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What happens if now I want to make the getData functions asynchronous, meaning that I get a chance to run some other code while I am waiting for them to return their values? In Javascrip...
Is it possible to insert multiple rows at a time in an SQLite database?
...peration will presumably be a bit slower). We're using UNION ALL since it more closely matches the semantics of the original post.
in closing
P.S.: Please +1 river's reply, as it presented the solution first.
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How to get hex color value rather than RGB value?
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If you realy want to be pedantic, you can make the regex more permissive: rgb.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i) However, the regex given is designed to cope with the format given by a browser when using jQuery, and this doesn't have the different white-space...
Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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javascript: recursive anonymous function?
...e/many/all of the problems described in Kangax's blog post may be fixed in more modern browsers.)
When you give a name like that, the name is not visible outside the function (well, it's not supposed to be; that's one of the weirdnesses). It's like "letrec" in Lisp.
As for arguments.callee, that'...
How to show all parents and subclasses of a class in IntelliJ IDEA?
...t), which by default is mapped to <Shift+Escape>. So far it felt way more natural to me when closing "floating windows" (type hierarchy included).
– Eyal Roth
Nov 19 '15 at 18:12
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Git, fatal: The remote end hung up unexpectedly
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Efficient evaluation of a function at every cell of a NumPy array
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Copy rows from one Datatable to another DataTable?
... copy specific rows from DataTable to another Datable in c#? There will be more than one row.
11 Answers
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'echo' without newline in a shell script
...ipt uses a version that doesn't recognize -n.
The printf command has much more consistent behavior. echo is fine for simple things like echo hello, but I suggest using printf for anything more complicated.
What system are you on, and what shell does your script use?
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