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Is it safe to delete a void pointer?
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No, of course not. It still says it's UB. Even more so, now it states it normatively that deleting void* is UB :)
– Johannes Schaub - litb
Jun 3 '09 at 16:52
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Can I checkout github wikis like a git repository?
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You can now!
git clone https://github.com/user/project.wiki.git
or if you use ssh
git clone git@github.com:username/project.wiki.git
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Is errno thread-safe?
... int * __error(void);
#define errno (*__error())
__END_DECLS
So errno is now a function __error(). The function is implemented so as to be thread-safe.
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What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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How to split one string into multiple strings separated by at least one space in bash shell?
...individual elements:
sentence="this is a story"
stringarray=($sentence)
now you can access individual elements directly (it starts with 0):
echo ${stringarray[0]}
or convert back to string in order to loop:
for i in "${stringarray[@]}"
do
:
# do whatever on $i
done
Of course looping thr...
Regular vs Context Free Grammars
...copies of y.) You basically have one "nonterminal" that can be expanded.
Now, what about context-free languages? There's an analogous pumping lemma for context-free languages that breaks the strings in the language into five parts, uvxyz, and where all instances of the language are in uvixyiz, fo...
How to use UIVisualEffectView to Blur Image?
...the blur to an image? I've been trying to figure out the code for a while now :( still new at obj c!
7 Answers
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NoSql vs Relational database
... big advantages:
Strong mathematical basis.
Declarative syntax.
A well-known language in Structured Query Language (SQL).
Those haven't gone away.
It's a mistake to think about this as an either/or argument. NoSQL is an alternative that people need to consider when it fits, that's all.
Docum...
Command line progress bar in Java
...ogressbar, License: MIT
Simple console progress bar. Progress bar writing now runs on another thread.
Menlo, Fira Mono, Source Code Pro or SF Mono are recommended for optimal visual effects.
For Consolas or Andale Mono fonts, use ProgressBarStyle.ASCII (see below) because the box-drawing glyphs...
How can I increment a date by one day in Java?
...ATE, 1); // number of days to add
dt = sdf.format(c.getTime()); // dt is now the new date
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