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Are PHP functions case sensitive?
...
I am quoting from this:
Note: Function names are
case-insensitive, though it is usually
good form to call functions as they
appear in their declaration.
So, its looks like user-defined functions are not case-sensitive, there w...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...hangeable, well, I'd say that, in general, they are interchangeable, apart from the exceptions you mentioned for escaped characters. However, I don't know and cannot say whether all modern shells and all modern *nixes support both forms. I doubt that they do, especially older shells/older *nixes. If...
How to write a cron that will run a script every day at midnight?
...
from the man page
linux$ man -S 5 crontab
cron(8) examines cron entries once every minute.
The time and date fields are:
field allowed values
----- --------------
minu...
Performance of FOR vs FOREACH in PHP
...luate at parse time whether anything modifies the array. This prevents it from evaluating the count once.
But even once you fix it with "$c=count($x); for ($i=0; $i<$c; $i++) the $i<$c is a bunch of Zend opcodes at best, as is the $i++. In the course of 100000 iterations, this can matter. F...
How do I work around JavaScript's parseInt octal behavior?
...
From the parseInt documentation, use the optional radix argument to specify base-10:
parseInt('08', 10); //equals 8
parseInt('09', 10); //equals 9
This strikes me as pedantic, confusing, and verbose (really, an extra argum...
How to scroll up or down the page to an anchor using jQuery?
...e. When you use <a name="something"></a>, you can reference it from outside as well however, your solution does not provide that.
– Ramtin
Oct 6 '18 at 22:46
add a...
How exactly does a generator comprehension work?
...prehension is a construct which you can use to create a new list/generator from an existing one.
Let's say you want to generate the list of squares of each number from 1 to 10. You can do this in Python:
>>> [x**2 for x in range(1,11)]
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
here, range(...
How to add row in JTable?
...handles all of the data behind the table. In order to add and remove rows from a table, you need to use a DefaultTableModel
To create the table with this model:
JTable table = new JTable(new DefaultTableModel(new Object[]{"Column1", "Column2"}));
To add a row:
DefaultTableModel model = (Defaul...
Why switch is faster than if
...ix: No, refer to this for info: artima.com/underthehood/flowP.html . Quote from article: When the JVM encounters a tableswitch instruction, it can simply check to see if the key is within the range defined by low and high. If not, it takes the default branch offset. If so, it just subtracts low from...
Java equivalent to C# extension methods
...n methods can make code much more elegant compared to extra static methods from some other class. Almost all more modern languages allow for some kind existing class extension: C#, php, objective-c, javascript. Java surely shows its age here. Imagine you want to write a JSONObject to disk. Do you ca...