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PHP/MySQL insert row then get 'id'
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smcjones
4,7831717 silver badges3535 bronze badges
answered May 22 '09 at 11:09
cletuscletus
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Create numpy matrix filled with NaNs
...as np; a = np.empty((100,100));" "a.fill(np.nan)"
10000 loops, best of 3: 54.3 usec per loop
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a[:] = np.nan"
10000 loops, best of 3: 88.8 usec per loop
The timings show a preference for ndarray.fill(..) as the faster alternative. OT...
When can I use a forward declaration?
...te type (but without using its members):
void f3(X*, X&) {}
X& f4() {}
X* f5() {}
What you cannot do with an incomplete type:
Use it as a base class
class Foo : X {} // compiler error!
Use it to declare a member:
class Foo {
X m; // compiler error!
};
Define fun...
Change the selected value of a drop-down list with jQuery
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answered Jan 31 '09 at 19:43
stragerstrager
81.9k2323 gold badges125125 silver badges171171 bronze badges
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How to switch between hide and view password
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mmathieum
49755 silver badges1313 bronze badges
answered Sep 10 '10 at 15:19
JanuszJanusz
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Download single files from GitHub
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edited Apr 17 '19 at 13:40
Vikram Durai
322 bronze badges
answered Jan 5 '11 at 14:20
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Bash: infinite sleep (infinite blocking)
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341
sleep infinity does exactly what it suggests and works without cat abuse.
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What is the difference between attribute and property? [closed]
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edited Dec 3 '14 at 7:49
answered May 20 '12 at 12:49
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How can I convert a string to boolean in JavaScript?
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3648
Do:
var isTrueSet = (myValue == 'true');
You could make it stricter by using the identity op...
How can I convert the “arguments” object to an array in JavaScript?
...on (a, b) { return a - b; });
}
document.body.innerHTML = sortArgs(12, 4, 6, 8).toString();
As you can read in the link
The rest parameter syntax allows us to represent an indefinite number of arguments as an array.
If you are curious about the ... syntax, it is called Spread Operat...