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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...This applies to C and C++, by the way.) People seem to declare pointers in one of two ways, and I have no idea which one is correct, of if it even matters.
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Including one C source file in another?
...ry pessimistic about anything declared extern.
If you put everything into one C source module, you get -
Performance & code size improvements - function calls will be inlined in many cases. Even without inlining, the compiler has opportunities to produce more efficient code.
Link level data &...
Troubleshooting “Illegal mix of collations” error in mysql
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TL;DR
Either change the collation of one (or both) of the strings so that they match, or else add a COLLATE clause to your expression.
What is this "collation" stuff anyway?
As documented under Character Sets and Collations in General:
A character set i...
How to make an Android Spinner with initial text “Select One”?
...lly (when the user has not made a selection yet) displays the text "Select One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spinner instead of "Select One".
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Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filename = class name" rule...
Replace a value in a data frame based on a conditional (`if`) statement
...he factor level b to the factor nm. diliop's version is in fact the better one if you want to work with characters, not factors. (Always think about the type your variables have first!)
– Thilo
Apr 28 '11 at 20:18
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How can I force Powershell to return an array when a call only returns one object?
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Define the variable as an array in one of two ways...
Wrap your piped commands in parentheses with an @ at the beginning:
$serverIps = @(gwmi Win32_NetworkAdapterConfiguration
| Where { $_.IPAddress }
| Select -Expand IPAddress
| Where { $_ -l...
Relational table naming convention [closed]
... Beware of the heathens. Plural in the table names are a sure sign of someone who has not read any of the standard materials and has no knowledge of database theory.
Some of the wonderful things about Standards are:
they are all integrated with each other
they work together
they were written ...
When to use references vs. pointers
...der to read when there's no indication of what's happening, why should add_one(a) not return the result, rather than set it by reference?
– connec
Aug 14 '11 at 18:21
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Are braces necessary in one-line statements in JavaScript?
I once heard that leaving the curly braces in one-line statements could be harmful in JavaScript. I don't remember the reasoning anymore and a Google search did not help much.
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