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Javascript !instanceof If Statement
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10
The reason being is that !obj is evaluated first in if(!obj instanceof Array), which evaluates to true (or false), which then becomes if(bo...
How to display a specific user's commits in svn log?
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answered Dec 21 '10 at 15:04
yvoyeryvoyer
7,07855 gold badges2828 silver badges3737 bronze badges
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Python: print a generator expression?
...rator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you can't stick that on a line by itself, you'll get a syntax error. But you can put parenthesis around it.
>>> (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is so...
How to filter a dictionary according to an arbitrary condition function?
...lt; 5 and v[1] < 5}
– dorvak
Jul 10 '13 at 7:53
5
And here is a good explanation why the funct...
UITableView load more when scrolling to bottom like Facebook application
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103
You can do that by adding a check on where you're at in the cellForRowAtIndexPath: method. Thi...
Replace part of a string with another string
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answered Aug 5 '10 at 19:11
Michael MrozekMichael Mrozek
141k2424 gold badges151151 silver badges159159 bronze badges
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What is the correct way of using C++11's range-based for?
... 3, 5, 7, 9};
for (auto x : v) // <-- capture by value (copy)
x *= 10; // <-- a local temporary copy ("x") is modified,
// *not* the original vector element.
for (auto x : v)
cout << x << ' ';
The output is just the initial sequence:
1 3 5 7...
How can one use multi threading in PHP applications
...ction run() {
if ($this->arg) {
$sleep = mt_rand(1, 10);
printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $this->arg, $sleep);
sleep($sleep);
printf('%s: %s -finish' . "\n", date("g:i:sa"), $this->arg);
}
}
}
//...
How to check if a value exists in a dictionary (python)
...ve timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38303399085998535, 0.37257885932922363, 0.37096405029296875]
>>> T(lambda : 'one' in d.viewvalues())...
What is the difference between .text, .value, and .value2?
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why the date changed from 10:12 to 10:05? typo?
– Katrin
Mar 26 '18 at 4:04
1
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