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Platform independent size_t Format specifiers in c?
...ng for? Browse other questions tagged c platform-independent size-t format-string format-specifiers or ask your own question.
Is there a better alternative than this to 'switch on type'?
... earlier, you could use a switch statement, but you'll have to use a magic string containing the type name... which is not particularly refactor friendly (thanks @nukefusion)
switch(o.GetType().Name) {
case "AType":
break;
}
...
Differences between Perl and PHP [closed]
...uding matching (=~, !~), quote-like (qw, qx &c.), exponentiation (**), string repetition (x) and range (.. and ...). PHP has a few operators Perl doesn't, such as the error suppression operator (@), instanceof (though Perl does have the Universal::isa method) and clone.
In PHP, new is an operat...
ASP.NET MVC Conditional validation
...he Validate method:
public class Person : IValidatableObject
{
public string Name { get; set; }
public bool IsSenior { get; set; }
public Senior Senior { get; set; }
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
if (IsSenio...
XML Serialization - Disable rendering root element of array
...ITEM")]
public class ShopItem
{
[XmlElement("PRODUCTNAME")]
public string ProductName { get; set; }
[XmlElement("VARIANT")] // was [XmlArrayItem]
public List<ShopItem> Variants { get; set; }
}
// ...
ShopItem item = new ShopItem()
{
ProductName = "test",
Variants ...
.NET - Get protocol, host, and port
... trick
Uri uri = new Uri("http://www.mywebsite.com:80/pages/page1.aspx");
string requested = uri.Scheme + Uri.SchemeDelimiter + uri.Host + ":" + uri.Port;
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How can I escape a double quote inside double quotes?
How can I escape double quotes inside a double string in Bash?
8 Answers
8
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Dynamic instantiation from string name of a class in dynamically imported module?
In python, I have to instantiate certain class, knowing its name in a string, but this class 'lives' in a dynamically imported module. An example follows:
...
When do we need curly braces around shell variables?
...er, the {} in ${} are useful if you want to expand the variable foo in the string
"${foo}bar"
since "$foobar" would instead expand the variable identified by foobar.
Curly braces are also unconditionally required when:
expanding array elements, as in ${array[42]}
using parameter expansion oper...
Python 2.7: Print to File
...
@Suncatcher, you are probably trying to pass string containing file name as f1 instead of the actual file object. You need to open file for writing first: f1 = open('path_to_your_file', 'w')
– citxx
Jul 29 '17 at 13:58
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