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CodeIgniter: Create new helper?
... return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot be included and ran from outside the CodeIgniter scope. Everything after this is self explanatory.
Using the Helper
This can be in your controll...
How can I get the behavior of GNU's readlink -f on a Mac?
...e. Obviously you could insert this in your own script where you'd like to call readlink -f
#!/bin/sh
TARGET_FILE=$1
cd `dirname $TARGET_FILE`
TARGET_FILE=`basename $TARGET_FILE`
# Iterate down a (possible) chain of symlinks
while [ -L "$TARGET_FILE" ]
do
TARGET_FILE=`readlink $TARGET_FILE`...
How to write loop in a Makefile?
...This is good if you have 4 CPUs say, and a good test of any makefile.
Basically, you want make to see something like:
.PHONY: all
all: job1 job2 job3
.PHONY: job1
job1: ; ./a.out 1
.PHONY: job2
job2: ; ./a.out 2
.PHONY: job3
job3: ; ./a.out 3
This is -j friendly (a good sign). Can you spot th...
Are list-comprehensions and functional functions faster than “for loops”?
...like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
...
Java 8 NullPointerException in Collectors.toMap
... This might be quite slow on a large input. You create a HashMap and then call putAll() for every single entry. Personally, at given circumstances, I would go with non-stream solution, or forEach() if the input is parallel.
– Ondra Žižka
Nov 30 '18 at 14:06
...
How do I make a semi transparent background?
... yes, IE supports rgba, its syntax is #ARGB and is written as filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#AARRGGBBAA,endColorstr=#AARRGGBBAA); its basically a gradient of a static color but with transparency.
– Tarun
Jan 27 '11 at 5:23
...
How to set the first option on a select box using jQuery?
...
Something like this should do the trick: https://jsfiddle.net/TmJCE/898/
$('#name2').change(function(){
$('#name').prop('selectedIndex',0);
});
$('#name').change(function(){
$('#name2').prop('selectedIndex',0);
});
...
How does StartCoroutine / yield return pattern really work in Unity?
... like gameplay triggers, that do nothing most frames, but occasionally are called upon to do critical work. And you’ve got assorted processes between the two.
Whenever you’re creating a process that will take place over multiple frames – without multithreading – you need to find some wa...
What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
...
Amazon Interview Question: Design an OO parking lot [closed]
...ss.
ParkingSpace has an Entrance.
Entrance has a location or more specifically, distance from Entrance.
ParkingLotSign is a class.
ParkingLot has a ParkingLotSign.
ParkingLot has a finite number of ParkingSpaces.
HandicappedParkingSpace is a subclass of ParkingSpace.
RegularParkingSpace is a ...