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What is the point of function pointers?
...ss functor {
public:
functor(const std::string& prompt) : prompt_(prompt) {}
void operator()(int i) {std::cout << prompt_ << i << '\n';}
private:
std::string prompt_;
};
functor f("the answer is: ");
f(42);
Another advantage is that it is sometimes easier ...
Views vs Components in Ember.js
...intended to manage complex graphical elements.
– sly7_7
Sep 3 '13 at 15:50
3
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What is the Swift equivalent of respondsToSelector?
...e are multiple candidates: let theMethod = delegate.userNotificationCenter(_:willPresent:withCompletionHandler:)
– Cœur
May 4 '18 at 8:47
...
Escape a string for a sed replace pattern
...es, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the fol...
How to dynamically update a ListView on Android [closed]
...lns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<!-- Pretty hint text, and maxLines -->
<EditText android:id="@+building_list/search_box"
android...
config.assets.compile=true in Rails production, why not?
...pt those that start with underscore
config.assets.precompile << /(^[^_\/]|\/[^_])[^\/]*$/
you can then simply use images and stylesheets as as "/assets/stylesheet.css" in *.html.erb
or "/assets/web.png"
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What is two way binding?
...
Concise and short. +1
– Karan_powered_by_RedBull
May 22 at 11:40
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In Perl, how can I read an entire file into a string?
... spew.
Path::Tiny gives even more convenience methods such as slurp, slurp_raw, slurp_utf8 as well as their spew counterparts.
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How can I change my Cygwin home folder after installation?
...ng with Cygwin 1.7.34, the recommended way to do this is to add a custom db_home setting to /etc/nsswitch.conf. A common wish when doing this is to make your Cygwin home directory equal to your Windows user profile directory. This setting will do that:
db_home: windows
Or, equivalently:
db_home:...
Unix command-line JSON parser? [closed]
...sing modules built into the Perl core:
perl -MData::Dumper -MJSON::PP=from_json -ne'print Dumper(from_json($_))'
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