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SQL: How to properly check if a record exists
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It's better to use either of the following:
-- Method 1.
SELECT 1
FROM table_name
WHERE unique_key = value;
-- Method 2.
SELECT COUNT(1)
FROM table_name
WHERE unique_key = value;
The first alternative should give you no r...
What is the EAFP principle in Python?
...y the presence of many try and except statements. The technique contrasts with the LBYL style common to many other languages such as C.
An example would be an attempt to access a dictionary key.
EAFP:
try:
x = my_dict["key"]
except KeyError:
# handle missing key
LBYL:
if "key" in my_d...
How to convert an array to object in PHP?
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In the simplest case, it's probably sufficient to "cast" the array as an object:
$object = (object) $array;
Another option would be to instantiate a standard class as a variable, and loop through your array while re-assigning the values:
$obje...
Populate a Razor Section From a Partial
...t Javascript that is only required by a partial at the bottom of the page with the rest of the Javascript and not in the middle of the page where the partial is rendered.
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How can I declare and define multiple variables in one line using C++?
...follow
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edited Jul 27 '11 at 1:14
Chris Eberle
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Finding the max/min value in an array of primitives using Java
It's trivial to write a function to determine the min/max value in an array, such as:
15 Answers
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100% width table overflowing div container [duplicate]
I am having issues with an html table that is overflowing it's parent container.
6 Answers
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How should I store GUID in MySQL tables?
Do I use varchar(36) or are there any better ways to do it?
10 Answers
10
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xUnit.net: Global setup + teardown?
This question is about the unit testing framework xUnit.net .
4 Answers
4
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simple explanation PHP OOP vs Procedural?
... a "simple explanation" which suggests:
You want a no-nonsense overview without jargon
You want something that will help you learn from the beginning
You have discovered that no two people ever answer the question the same way, and it's confusing. That's the reason you are here asking for a simple...