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JavaScript: filter() for Objects
...uestion: "This works..., but when I add it to my site..., I get JavaScript errors" If OP decides to implement a .filter() with the opposite behavior of that of Array.prototpe.filter, that's up to him/her. Please leave a comment under the question if you want to notify OP that the code is wrong, but ...
Jasmine JavaScript Testing - toBe vs toEqual
... special handling for built in objects like String, Number, Boolean, Date, Error, Element and RegExp. For other objects it recursively compares properties.
This is very different from the behavior of the equality operator, ==. For example:
var simpleObject = {foo: 'bar'};
expect(simpleObject).toEq...
How do I pass multiple parameters into a function in PowerShell?
...ed. Also, the parentheses are entirely unneccessary and will cause a parse error in PowerShell 2.0 (or later) if Set-StrictMode is active. Parenthesised arguments are used in .NET methods only.
function foo($a, $b, $c) {
"a: $a; b: $b; c: $c"
}
ps> foo 1 2 3
a: 1; b: 2; c: 3
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How to create nonexistent subdirectories recursively using Bash?
...
You can use the -p parameter, which is documented as:
-p, --parents
no error if existing, make parent directories as needed
So:
mkdir -p "$BACKUP_DIR/$client/$year/$month/$day"
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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Gives error: def my_algo(ndarray[object] dates, ndarray[float64_t] opn, ^ SyntaxError: invalid syntax
– astro123
Apr 1 '19 at 3:54
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How do I see the last 10 commits in reverse-chronological order with SVN?
...eturns only till r900. Just wanted to check if this was the standard or an error. Also svn log -l10 <URL of your repository> would return the latest(r901) also.
– Shyam K
Dec 5 '12 at 4:38
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How to verify a user's password in Devise
... generate the digest from the user instance was giving me protected method errors.
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Foreach loop, determine which is the last iteration of the loop
...'t implement IDisposable, so the line with using with raise a compile time error! +1 for the solution , most of the time we can't just simply use a for instead of foreach , because enumerable collections items calculate at runtime or the sequence doesn't support random access.
–...
Is it a bad practice to use an if-statement without curly braces? [closed]
... however may be pist if you introduce a bug because of a silly curly brace error.
– Esteban Araya
Jan 24 '10 at 0:16
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Why do most C developers use define instead of const? [duplicate]
...it in several C sources, you'll get a "multiple symbol definition" linkage error unless you mark it as extern. And in this case the compiler can't optimize code against its actual value (unless global optimization is on).
#define simply substitutes a name with its value. Furthermore, a #define'd co...