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Get child node index
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Beware of error in IE! Internet Explorer 6, 7 and 8 supported it, but erroneously includes Comment nodes. Source" developer.mozilla.org/en-US/docs/Web/API/ParentNode/…
– Luckylooke
May 4 '17 at ...
Reflection generic get field value
...not really clear to me what you're trying to achieve, I spotted an obvious error in your code:
Field.get() expects the object which contains the field as argument, not some (possible) value of that field. So you should have field.get(object).
Since you appear to be looking for the field value, you ...
Add a new item to a dictionary in Python [duplicate]
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default_data['item3'] = 3
Easy as py.
Another possible solution:
default_data.update({'item3': 3})
which is nice if you want to insert multiple items at once.
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How to speed up insertion performance in PostgreSQL
...here's no practical limit AFAIK, but batching will let you recover from an error by marking the start of each batch in your input data. Again, you seem to be doing this already.
Use synchronous_commit=off and a huge commit_delay to reduce fsync() costs. This won't help much if you've batched your wo...
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...oop in the normal way, the java.util.ConcurrentModificationException is an error related to the elements that are accessed.
So try:
for(int i = 0; i < list.size(); i++){
lista.get(i).action();
}
share
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Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?
...ssue with the https URL of the GitHub repo:
The requested URL returned an error: 403
All you need to do is to enter your GitHub password, but the OP suggests:
Then you might need to push it the ssh way. You can read more on how to do it here.
See "Pushing to Git returning Error Code 403 fat...
Practical non-image based CAPTCHA approaches?
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205
votes
A method that I have developed and which seems to work perfectly (although I...
Should struct definitions go in .h or .c file?
... see how using only a forward declaration in the header causes a compiler error when the user tries to use members of a private (opaque) struct.
– τεκ
Jul 6 '15 at 23:37
a...
What does !! mean in ruby?
...pying from Matt Van Horn's answer with slight modifications:
1 ^ true
TypeError: can't convert true into Integer
!!1 ^ !!true
=> false
I used it to ensure two variables were either both nil, or both not nil.
raise "Inconsistency" if !!a ^ !!b
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What's the difference between & and && in MATLAB?
...ntees a condition without which the second expression may cause a run-time error. e.g. d != 0 && 1/d vs d !=0 & 1/d - the first guarantees no division by zero, the second doesn't.
– Fraser
Nov 14 '16 at 17:06
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