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Difference between `constexpr` and `const`
...ant:
It can be used in places that require compile-time evaluation, for example, template parameters and array-size specifiers:
template<int N>
class fixed_size_list
{ /*...*/ };
fixed_size_list<X> mylist; // X must be an integer constant expression
int numbers[X]; // X mu...
UITableViewCell with UITextView height in iOS 7?
...n that calculated the needed height:
Add an NSMutableDictionary (in this example called textViews) as an instance variable to your UITableViewController subclass.
Use this dictionary to store references to the individual UITextViews like so:
(and yes, indexPaths are valid keys for dictionaries)
- (U...
Error on pod install
...
The 100% dead-work one-line command is:
sudo rm -rf ~/.cocoapods && pod setup && pod install
I created the issue on GitHub traker:#2185
And the official answer is:
This is issue which has already been
fixed by @irrationalfab with commit CocoaPods/CLAide@5e023ab.
So...
How to color System.out.println output? [duplicate]
...
Result:
More Info on Tput
see: http://linuxcommand.org/lc3_adv_tput.php to see how tput works
see: http://invisible-island.net/ncurses/man/terminfo.5.html for a list of commands that you can use
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Programmatically saving image to Django ImageField
...import File # you need this somewhere
import urllib
# The following actually resides in a method of my model
result = urllib.urlretrieve(image_url) # image_url is a URL to an image
# self.photo is the ImageField
self.photo.save(
os.path.basename(self.url),
File(open(result[0], 'rb'))
...
Check if a value is within a range of numbers
... don't need "multiple if" statements to do it, either:
if (x >= 0.001 && x <= 0.009) {
// something
}
You could write yourself a "between()" function:
function between(x, min, max) {
return x >= min && x <= max;
}
// ...
if (between(x, 0.001, 0.009)) {
// someth...
How to delete multiple buffers in Vim?
... <C-b> to emulate screen, you should also configure it to map, for example, <C-a>a to pass a <C-a> through to the program running inside tmux. The screen-keys.conf that comes with tmux does that.
– Björn Steinbrink
May 26 '15 at 9:15
...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
...mataal said one more command: git update-index --assume-unchanged <path&filename>
– Dao
Aug 24 '11 at 16:39
...
How to calculate a time difference in C++
...me>
class Timer
{
public:
Timer() { clock_gettime(CLOCK_REALTIME, &beg_); }
double elapsed() {
clock_gettime(CLOCK_REALTIME, &end_);
return end_.tv_sec - beg_.tv_sec +
(end_.tv_nsec - beg_.tv_nsec) / 1000000000.;
}
void reset() { clock_gettim...
Convert java.util.Date to String
...ut.println("Today is: " + todayAsString);
From http://www.kodejava.org/examples/86.html
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