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Using a Single Row configuration table in SQL Server database. Bad idea?
... same default value (null/empty?)
negative: everything has to be stored as strings (ie. nvarchar)
negative: when dealing with the settings in code, you have to know what type a setting is and cast it
The single row option is by far the easiest one to work with. This is because you can store each se...
Get user profile picture by Id
...=picture.type(large) this is useful when you have something like this, String url = "graph.facebook.com/me?fields=id,name,email,picture.type(large) as mentioned in other answers you can replace large with normal,small,square...
– yajnesh
Dec 16 '15 at 11:4...
How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
...
How can I make Visual Studio wrap lines at 80 characters?
Is there any way to make Visual Studio word-wrap at 80 characters? I'm using VS2008.
10 Answers
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When are C++ macros beneficial? [closed]
...e original snippet: << FILE ":" << is fine, FILE generates a string constant, which will be concatenated with the ":" into a single string by the pre-processor.
– Frank Szczerba
Mar 19 '09 at 23:59
...
Last iteration of enhanced for loop in java
...n't use "" + i, by the way - you don't really want concatenation here, and StringBuilder has a perfectly good append(int) overload.)
int[] array = {1, 2, 3...};
StringBuilder builder = new StringBuilder();
for (int i : array) {
if (builder.length() != 0) {
builder.append(",");
}
...
Programmatically retrieve memory usage on iPhone
... 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or memory allocated to your application as potential virtual memory in any even...
To underscore or to not to underscore, that is the question
... context of the current instance
Example
public class Demo
{
private String name;
public Demo(String name) {
this.name = name;
}
}
Why does the underscore-notation exist?
Some people don't like typing "this", but they still need a way to distinguish a field and a parameter, so ...
Find current directory and file's directory [duplicate]
...h) (returns "the directory name of pathname path")
os.getcwd() (returns "a string representing the current working directory")
os.chdir(path) ("change the current working directory to path")
share
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Are there conventions on how to name resources?
...widget/container>_<name>
I do the same strategy for any dimens, strings, numbers, and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix the name with the layout. The resource name would be 'button_textColor'. If all t...