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HTML anchor link - href and onclick both?
...href attribute, I'd return "-1" to prevent the default action, which is usually the browser jumping tot he top of the page, or sometimes I'd just not return anything. Lately I've had to revise all those pages as @Amber advised... to specifically return false, if I don't want the page to jump.
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Python: fastest way to create a list of n lists
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The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
from itertools import repeat
d = [[] for i in repeat(None, n)]
It does not have to create a new int object in every iteration and is about 15 % faster on my machine.
Edi...
How do I set default values for functions parameters in Matlab?
...n, nargchk, etc. They're useful functions for this sort of thing. varargs allow you to leave a variable number of final arguments, but this doesn't get you around the problem of default values for some/all of them.
share
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What does = +_ mean in JavaScript
...this as well as using '~' has the penalty of restricting to numbers < 2^32. +"2e15" does not.
– Aki Suihkonen
Mar 1 '13 at 6:36
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What does cherry-picking a commit with Git mean?
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This is in contrast with other ways such as merge and rebase which normally apply many commits onto another branch.
Make sure you are on the branch you want to apply the commit to.
git checkout master
Execute the following:
git cherry-pick <commit-hash>
N.B.:
If you cherry-pick f...
Test for existence of nested JavaScript object key
...bj /*, level1, level2, ... levelN*/) {
var args = Array.prototype.slice.call(arguments, 1);
for (var i = 0; i < args.length; i++) {
if (!obj || !obj.hasOwnProperty(args[i])) {
return false;
}
obj = obj[args[i]];
}
return true;
}
var test = {level1:{level2:{level3:'leve...
How do I put an 'if clause' in an SQL string?
...)
However, I might guess that you are looping at a higher level. To set all such values, try this:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE not exists (SELECT 1
FROM itemsOrdered
WHERE itemsOrdered.purchaseOrder_ID = pu...
What is the difference between SAX and DOM?
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+1 - to clarify: use a DOM parser with smaller files that fit in RAM. Use a SAX parser for large files that wont.
– Richard H
Jul 26 '11 at 10:46
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Writing a Python list of lists to a csv file
...It kinda makes sense in hindsight, but not informative of where to look at all.
– Rambatino
May 25 '18 at 7:30
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Chrome, Javascript, window.open in new tab
...pup’) by specifying options in the 3rd parameter
3. If the window.open call was not part of a user-initiated event, it’ll open in a new window.
4. A “user initiated event” does not have to the same function call – but it must originate in the function invoked by a user click
5. If a use...