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puts vs logger in rails rake tasks
In a rake task if I use puts command then I see the output on console. However I will not see that message in log file when app is deployed on production.
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Why do std::shared_ptr work
...g delete). When the shared_ptr is destroyed, it calls that stored function and that will call the deleter.
A simple sketch of the type erasure that is going on simplified with std::function, and avoiding all reference counting and other issues can be seen here:
template <typename T>
void del...
Convert one date format into another in PHP
...wever, even strtotime() doesn't recognize the y-m-d-h-i-s format.
PHP 5.3 and up
Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with.
PHP 5.2 and lower
You will have to parse the elements (year, month, day, hour, ...
make: Nothing to be done for `all'
...imes "Nothing to be done for all" error can be caused by spaces before command in makefile rule instead of tab. Please ensure that you use tabs instead of spaces inside of your rules.
all:
<\t>$(CC) $(CFLAGS) ...
instead of
all:
$(CC) $(CFLAGS) ...
Please see the GNU make manual for ...
Using setImageDrawable dynamically to set image in an ImageView
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However using setImageResource() "does Bitmap reading and decoding on the UI thread, which can cause a latency hiccup ... consider using setImageDrawable() or setImageBitmap()." (Android documentation)
– chetto
Oct 25 '12 at 18:30
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Get an object properties list in Objective-C
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@boliva's answer is good, but needs a little extra to handle primitives, like int, long, float, double, etc.
I built off of his to add this functionality.
// PropertyUtil.h
#import
@interface PropertyUtil : NSObject
+ (NSDictionary *)classPropsFor:(Class)klass;
@end
// Pr...
Replace X-axis with own values
I have a question regarding the command plot().
2 Answers
2
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C++ convert from 1 char to string? [closed]
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All of
std::string s(1, c); std::cout << s << std::endl;
and
std::cout << std::string(1, c) << std::endl;
and
std::string s; s.push_back(c); std::cout << s << std::endl;
worked for me.
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check / uncheck checkbox using jquery? [duplicate]
I have some input text fields in my page and am displaying their values using JavaScript.
3 Answers
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How can I catch a “catchable fatal error” on PHP type hinting?
...otes) that is not derived from Exception but Error; it's still a Throwable and can be handled with a normal try-catch block. see https://wiki.php.net/rfc/throwable-interface
E.g.
<?php
class ClassA {
public function method_a (ClassB $b) { echo 'method_a: ', get_class($b), PHP_EOL; }
}
class C...