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How to pass parameters correctly?
...ssing an rvalue (in this case, one move will be performed).
Account(std::string number, float amount, CreditCard const& creditCard)
: number(number), amount(amount), creditCard(creditCard) // copy here
{ }
Account(std::string number, float amount, CreditCard&& creditCard)
: number(n...
Remove all special characters from a string in R?
How to remove all special characters from string in R and replace them with spaces ?
3 Answers
...
Deserializing JSON Object Array with Json.net
...; }
}
public class Customer
{
[JsonProperty("first_name")]
public string Firstname { get; set; }
[JsonProperty("last_name")]
public string Lastname { get; set; }
...
}
And you can deserialize your json easily :
JsonConvert.DeserializeObject<List<CustomerJson>>(j...
Is it worth using Python's re.compile?
...al dict type).
From module re.py (comments are mine):
def match(pattern, string, flags=0):
return _compile(pattern, flags).match(string)
def _compile(*key):
# Does cache check at top of function
cachekey = (type(key[0]),) + key
p = _cache.get(cachekey)
if p is not None: retur...
Python assigning multiple variables to same value? list behavior
...n either case, you can rebind a to a different value (e.g., a = "Now I'm a string!"), but the won't affect the original value, which b and c will still be names for. The difference is that with a list, you can change the value [1, 2, 3] into [1, 2, 3, 4] by doing, e.g., a.append(4); since that's act...
How did Google manage to do this? Slide ActionBar in Android application
...
}
static class MenuDesc {
public int icon;
public String label;
}
public SlideMenuAdapter(Activity act, SlideMenu.SlideMenuAdapter.MenuDesc[] items) {
super(act, R.id.menu_label, items);
this.act = act;
this.items = items;
}
@Overr...
C/C++ macro string concatenation
...
If they're both strings you can just do:
#define STR3 STR1 STR2
The preprocessor automatically concatenates adjacent strings.
EDIT:
As noted below, it's not the preprocessor but the compiler that does the concatenation.
...
Install a .NET windows service without InstallUtil.exe
...rocess.ServiceStartMode.Automatic;
}
}
static void Install(bool undo, string[] args)
{
try
{
Console.WriteLine(undo ? "uninstalling" : "installing");
using (AssemblyInstaller inst = new AssemblyInstaller(typeof(Program).Assembly, args))
{
IDictionary ...
Get list of passed arguments in Windows batch script (.bat)
...to a function %0 and also in %~0 contains the function name (or better the string that was used to call the function).
But with %~f0 you still can recall the filename.
@echo off
echo main %0, %~0, %~f0
call :myLabel+xyz
exit /b
:MYlabel
echo func %0, %~0, %~f0
exit /b
Output
main test.bat, test...
What is the most efficient/elegant way to parse a flat table into a tree?
... sets (sometimes referred to as Modified Pre-order Tree Traversal) you can extract the entire tree structure or any subtree within it in tree order with a single query, at the cost of inserts being more expensive, as you need to manage columns which describe an in-order path through thee tree struct...