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Left-pad printf with spaces

...ructure). The indent is the number of spaces before the string. void print_with_indent(int indent, char * string) { printf("%*s%s", indent, "", string); } share | improve this answer ...
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Setting action for back button in navigation controller

...; Bool } extension UINavigationController { public func navigationBar(_ navigationBar: UINavigationBar, shouldPop item: UINavigationItem) -> Bool { // Prevents from a synchronization issue of popping too many navigation items // and not enough view controllers or viceversa fr...
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What is content-type and datatype in an AJAX request?

... That's what I like about SO...get rep for stating the obvious... >_< – Christoph Sep 9 '13 at 15:40 add a comment  |  ...
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SFTP in Python? (platform independent)

... @user443854 yes there is pysftp.readthedocs.io/en/release_0.2.9/… But I would definitely not recommend that, though you can add another known_host file – AsTeR Jul 17 '18 at 8:04 ...
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How can I automatically deploy my app after a git push ( GitHub and node.js)?

...ervice Hooks' => 'WebHook URLs' and add http://your-domain-name/git_test.php then create git_test.php <?php try { $payload = json_decode($_REQUEST['payload']); } catch(Exception $e) { exit(0); } //log the request file_put_contents('logs/github.txt', print_r($payload, TRUE), FILE...
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How to use regex in String.contains() method in Java

... you don't get a match for restores store products. Note that stores 3store_product is also rejected, since digit and _ are considered part of a word, but I doubt this case appear in natural text. Since word boundary is checked for both sides, the regex above will search for exact words. In other w...
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Breaking up long strings on multiple lines in Ruby without stripping newlines

...lution in Ruby 2.3: The squiggly heredoc. class Subscription def warning_message <<~HEREDOC Subscription expiring soon! Your free trial will expire in #{days_until_expiration} days. Please update your billing information. HEREDOC end end Blog post link: https:/...
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warning: [options] bootstrap class path not set in conjunction with -source 1.5

...va On UNIX systems, locate rt.jar using: locate -r '/rt.jar$' Set JAVA_HOME so that rt.jar is located at $JAVA_HOME/jre/lib/rt.jar, then: javac -source 1.7 -bootclasspath "$JAVA_HOME/jre/lib/rt.jar" Main.java Tested on Ubuntu 14.04 for Oracle Java 7 and 8. ...
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How do I update the notification text for a foreground service in Android?

... only by calling stopForground ); Example: private static final int NOTIF_ID=1; @Override public void onCreate (){ this.startForeground(); } private void startForeground() { startForeground(NOTIF_ID, getMyActivityNotification("")); } private Notification getMyActivityNotification(String...
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postgresql COUNT(DISTINCT …) very slow

... You can use this: SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp; This is much faster than: COUNT(DISTINCT column_name) share | improve this answer ...