大约有 45,000 项符合查询结果（耗时：0.0582秒） [XML]
When should I use malloc in C and when don't I?
...
char *some_memory = "Hello World";
is creating a pointer to a string constant. That means the string "Hello World" will be somewhere in the read-only part of the memory and you just have a pointer to it. You can use the string as read-only. You cannot make changes to it. Example:
some_...
How do I access an access array item by index in handlebars?
...t people index)
although if you get an error about index needing to be a string, do:
(get people (concat index ""))
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Getting the SQL from a Django QuerySet [duplicate]
... @hughes is right. If you don't want to print it and want it as a string, instead of calling __str__() to get it as a string you should do str(queryset.query).
– Chad
May 30 '13 at 23:31
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Replace Fragment inside a ViewPager
... ? fragmentClass.getName().hashCode() : 0;
}
@Override
public String toString() {
return "TabInfo{" +
"fragmentClass=" + fragmentClass +
'}';
}
}
The very first time you add all tabs, we need to call the method createHistory(), to create the...
Multiple “order by” in LINQ
...umn, as follows.
var movies = _db.Movies.OrderBy( m => (m.CategoryID.ToString() + m.Name))
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What is the point of Lookup?
...semblies
Type[] sampleTypes = new[] { typeof(List<>), typeof(string),
typeof(Enumerable), typeof(XmlReader) };
// All the types in those assemblies
IEnumerable<Type> allTypes = sampleTypes.Select(t => t.Assembly)
...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...sults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How to make a Java Generic method static?
... using a specific type (_class_.<_generictypeparams_>_methodname_):
String[] newStrings = ArrayUtils.<String>appendToArray(strings, "another string");
This would only happen if the compiler can't determine the generic type because, e.g. the generic type isn't related to the method arg...
What's the absurd function in Data.Void useful for?
...arations from this answer:
data RuleSet a = Known !a | Unknown String
data GoRuleChoices = Japanese | Chinese
type LinesOfActionChoices = Void
type GoRuleSet = RuleSet GoRuleChoices
type LinesOfActionRuleSet = RuleSet LinesOfActionChoices
Then you could use absurd lik...
Using an RDBMS as event sourcing storage
... CorrelationId and CausationId. Used to figure out what caused events, and string them together if need be.
– Daniel Park
Feb 20 at 23:22
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