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What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
...
Sort Go map values by keys
...rt"
)
func main() {
// To create a map as input
m := make(map[int]string)
m[1] = "a"
m[2] = "c"
m[0] = "b"
// To store the keys in slice in sorted order
keys := make([]int, len(m))
i := 0
for k := range m {
keys[i] = k
i++
}
sort.Ints(key...
MenuItemCompat.getActionView always returns null
... <item android:id="@+id/action_search"
android:title="@string/map_option_search"
android:icon="@drawable/ic_action_search"
app:showAsAction="collapseActionView|ifRoom"
app:actionViewClass="android.support.v7.widget.SearchView"/>
</m...
Prefer composition over inheritance?
...f OO design (inheritance, polymorphism, encapsulation).
class Person {
String Title;
String Name;
Int Age
}
class Employee : Person {
Int Salary;
String Title;
}
This is inheritance at work. The Employee "is a" Person or inherits from Person. All inheritance relationships are "is-...
Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...ass BasicAuthenticationBehavior : IEndpointBehavior
{
private readonly string _username;
private readonly string _password;
public BasicAuthenticationBehavior(string username, string password)
{
this._username = username;
this._password = password;
}
public v...
Recommended way to save uploaded files in a servlet application
...class DataCollectionServlet extends Controller {
private static final String UPLOAD_LOCATION_PROPERTY_KEY="upload.location";
private String uploadsDirName;
@Override
public void init() throws ServletException {
super.init();
uploadsDirName = property(UPLOAD_LOCATION...
How to parse a JSON string into JsonNode in Jackson?
...
A slight variation on Richards answer but readTree can take a string so you can simplify it to:
ObjectMapper mapper = new ObjectMapper();
JsonNode actualObj = mapper.readTree("{\"k1\":\"v1\"}");
share
...
A non well formed numeric value encountered
...
Because you are passing a string as the second argument to the date function, which should be an integer.
string date ( string $format [, int $timestamp = time() ] )
Try strtotime which will Parse about any English textual datetime description i...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注IT技能提升
... {
......
}
[DataMember]
public string AddressCategory { get; set; }
[DataMember]
public string AddressTitle { get; set; }
[DataMember]
public string AddressDetail { get; set; }
}
[DataContract]
pu...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注IT技能提升
... {
......
}
[DataMember]
public string AddressCategory { get; set; }
[DataMember]
public string AddressTitle { get; set; }
[DataMember]
public string AddressDetail { get; set; }
}
[DataContract]
pu...