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Smart pointers: who owns the object? [closed]
...r, it knows that the pointed object won't be destroyed during the child's lifetime, and has no ownership to it. Both the contained and container objects agree to a clear set of rules. If you use a naked pointer, the rules can be documented, but won't be enforced by the compiler and the code.
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What are the best practices to follow when declaring an array in Javascript?
...t there's no way with new Array() to create an array with just one pre-specified number element in it!
Using [] is actually more efficient, and safer too! It's possible to overwrite the Array constructor and make it do odd things, but you can't overwrite the behaviour of [].
Personally, I always ...
error: command 'gcc' failed with exit status 1 while installing eventlet
...dev
For eventlet you might also need the libevent libraries installed so if you get an error talking about that you can install libevent with:
sudo apt-get install libevent-dev
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How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
...ur referenced variables before I get to this line obviously. As an example if my username is "wolfbyte", my password is "secret" and my proxy is called "pigsy" and operates on port 8080:
SET HTTP_PROXY=http://wolfbyte:secret@pigsy:8080
You might want to be careful how you manage that because it s...
Twitter Bootstrap Button Text Word Wrap
For the life of me I am unable to get these twitter bootstrap buttons to text wrap onto multiple lines, they appearing like so.
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Merge cells using EPPlus?
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Would this work if I wanted to do the opposite? Unmerge cells.
– NikosV
Sep 12 '18 at 15:41
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How do I convert a Vector of bytes (u8) to a string
...s not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
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Repeat string to certain length
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Pillmod's / Pillmuncher's code is more beautiful, but unfortunately slower than Scheirer's code, because adding to an already long string is an expensive operation (the Python runtime will have to copy the string to a new memory location), while truncating a temporary ...
Difference between style = “position:absolute” and style = “position:relative”
Can any one tell me the Difference between style = "position:absolute" and style = "position:relative" and how they differ in case I add it to div / span / input elements?
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Parse query string into an array
... I have a problem with this answer, because it does not work if you use the same key multiple times (yes because in php array keys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"...