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How do I create a copy of an object in PHP?
..._clone() {
$this->someObject = clone $this->someObject;
}
}
Now you can do cloning:
$bar = new MyClass();
$foo = clone $bar;
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fo...
Why aren't pointers initialized with NULL by default?
...ion point was he/she needed to perform some operation and then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct initialization. Or under other conditions t...
Check to see if python script is running
...cates a non-graceful shutdown, which means the app crashed. That lets you know there's a problem, and to check the logs. As mentioned, the atexit module can also take care of this, assuming the bug isn't in the Python interpreter itself.
– Dan Udey
May 30 '11 a...
Java Immutable Collections
... be able to do so afterward. If the code which created the original list knows what has happened to every reference that has ever existed to it, and knows that none of them will fall into the hands of code that might modify the list, then it can know the list will never be modified. If the referen...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...cy graph is severely flattened:
As illustrated by the green color, it's now possible to reuse Library C without dragging along any unwanted dependencies.
However, all that said, with many DI Containers, you don't have to add hard references to all required libraries. Instead, you can use late bi...
How to Create Grid/Tile View?
...o create masonry layout.
Alternatively, you can use CSS3 columns. But for now jQuery based plugin is the best choice since there is compatibility issue with CSS3 column.
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Modifying location.hash without page scrolling
...
It would be useful to know which browsers need step 2 here.
– djc
Nov 5 '10 at 9:51
1
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Best way to check if object exists in Entity Framework?
...
I know this is a very old thread but just incase someone like myself needs this solution but in VB.NET here's what I used base on the answers above.
Private Function ValidateUniquePayroll(PropertyToCheck As String) As Boolean
...
Why is “import *” bad?
...espace (might shadow some other object from previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically detect errors i...
CRON job to run on the last day of the month
...-1 month'); $previousMonth = $date->format('Y-m'); // $previousMonth is now 2013-02. Build query to fetch products for the previous month.
– Lamy
Jan 19 '13 at 6:41
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