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fork() branches more than expected?
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answered Jun 21 '12 at 6:58
wallykwallyk
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How do you get the width and height of a multi-dimensional array?
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answered Nov 23 '10 at 19:52
Reed CopseyReed Copsey
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How to print the values of slices
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173
You can try the %v, %+v or %#v verbs of go fmt:
fmt.Printf("%v", projects)
If your array (o...
What does the (unary) * operator do in this Ruby code?
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271
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list ...
Rails - controller action name to string
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Rails 2.X: @controller.action_name
Rails 3.1.X: controller.action_name, action_name
Rails 4.X: action_name
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GridLayout and Row/Column Span Woe
...oid:layout_gravity="fill"
android:layout_rowSpan="2"
android:text="1" />
<Button
android:layout_columnSpan="2"
android:layout_gravity="fill_horizontal"
android:text="2" />
<Button
android:layout_gravity="fill_vertical"
android:layout_rowSpan="4"
android:...
Batch file to copy directories recursively
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179
Look into xcopy, which will recursively copy files and subdirectories.
There are examples, 2/...
How does RegexOptions.Compiled work?
... + @"(\.[^<>()[\]\\.,;:\s@""]+)*)|("".+""))@"
+ @"((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
+ @"\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+"
+ @"[a-zA-Z]{2,}))$";
string[] numbers = new string[] {"1","two", "8378373", "38737", "3873783z"};
string[] emails = new string[] {...
SQL standard to escape column names?
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Quotation Mark "
The SQL:1999 standard specifies that double quote (") (QUOTATION MARK) is used to delimit identifiers.
<delimited identifier> ::= <double quote> <delimited identifier body> <double quote>
Oracle, PostgreSQL...
how to provide a swap function for my class?
...amp; lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
friend void swap(Bar&...