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Why is “copy and paste” of code dangerous? [closed]
...you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements).
If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place).
Have your boss read abo...
Java SecurityException: signer information does not match
...from directories since those AFAIK cannot be signed).
So either make sure all JARs (or at least those which contain classes from the same packages) are signed using the same certificate, or remove the signatures from the manifest of JAR files with overlapping packages.
...
Restarting cron after changing crontab file?
... the cron man page:
...cron will then examine the modification time on all crontabs
and reload those which have changed. Thus cron need not be restarted
whenever a crontab file is modified
But if you just want to make sure its done anyway,
sudo service cron reload
or
/etc/init.d...
How to loop through an associative array and get the key? [duplicate]
... using PHP 5, you should avoid using foreach by reference values and since all foreaches use internal array pointer ( current($Array) ) nesting foreaches or using PHP array functions can do weird things.
– Chaoix
Jul 12 '19 at 15:13
...
getting type T from IEnumerable
... Or even worse write a method with yield returns and try to call GetType on a variable created with this method. It will tell you that it is not event a generic type. So basically there is no universal way to get T given an instance variable of type IEnumerable<T>
...
How can I suppress all output from a command using Bash?
...ant error messages to be sent there, use one of (the first may not work in all shells):
scriptname &>/dev/null
scriptname >/dev/null 2>&1
scriptname >/dev/null 2>/dev/null
And, if you want to record the messages, but not see them, replace /dev/null with an actual file, such...
Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
...recation Notice:
The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery 1.8. To prepare your code for their eventual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead.
If you are using the callback-manipulation function (using method-chaini...
How do I split a string on a delimiter in Bash?
...at command -- so it's always "restored"; you don't need to do anything manually.
– Charles Duffy
Jul 6 '13 at 14:39
...
Prevent the keyboard from displaying on activity start
...g both in code, and in xml! Indeed, this is the most correct answer! Especially since it was probably that 3 minutes you spent writing both methods that made you not first ;-)
– eric
Apr 21 '17 at 1:13
...
Count characters in textarea
... relevance of IDs of textarea and second span : id="post" <-> id="rem_post" and the title of the span that holds the desired characters amount of each particular textarea
<textarea class="countit" name="post" id="post"></textarea>
<p>
<span>characters remaining: <...