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Why is try {…} finally {…} good; try {…} catch{} bad?
...one single line throws an exception, you wouldn't know it.
With the first block of code, the exception will simply be absorbed, the program will continue to execute even when the state of the program might be wrong.
With the second block, the exception will be thrown and bubbles up but the reader....
How to change collation of database, table, column?
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You can run a php script.
<?php
$con = mysql_connect('localhost','user','password');
if(!$con) { echo "Cannot connect to the database ";die();}
mysql_select_db('db...
counting number of directories in a specific directory
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Nice! How would you do this $ ls -l .vim with PHP? Or how to get only the total, without the list. I mean, in this case get only 52?
– Pathros
Mar 8 '17 at 18:32
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Variable declaration in a C# switch statement [duplicate]
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I believe it has to do with the overall scope of the variable, it is a block level scope that is defined at the switch level.
Personally if you are setting a value to something inside a switch in your example for it to really be of any benefit, you would want to declare it outside the switch an...
LinkedBlockingQueue vs ConcurrentLinkedQueue
...roducer and consumer threads would people generally recommend using LinkedBlockingQueue or ConcurrentLinkedQueue ?
5 Ans...
Block Comments in a Shell Script
Is there a simple way to comment out a block of code in a shell script?
12 Answers
12
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Static/Dynamic vs Strong/Weak
...e it does not want to cast one type to the other implicitly.
whereas in PHP:
$str = 5 + "hello"; // equals 5 because "hello" is implicitly casted to 0
// PHP is weakly typed, thus is a very forgiving language.
Static typing allows for checking type correctness at compile time. Statically type...
do..end vs curly braces for blocks in Ruby
...should not use do..end and instead use curly braces for defining multiline blocks in Ruby.
14 Answers
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...ot the case you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty of guides related to this topic, just google it!
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What methods of ‘clearfix’ can I use?
...ution can be simplified to one css statement. Additionally, using display: block (instead of display: table) allows margins to collapse properly when elements with clearfix are siblings.
.container::after {
content: "";
display: block;
clear: both;
}
This is the most modern version of the c...