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Swift - which types to use? NSString or String
...ObjectiveC().length for example. You can also cast a String to an NSString by using str as NSString.
However, the necessity for these techniques to explicitly use the Foundation types, or at least some of them, may be obsolete in the future, since from what is stated in the language reference, the ...
tomcat - CATALINA_BASE and CATALINA_HOME variables
...tallation.
Optionally, Tomcat may be configured for multiple instances by defining $CATALINA_BASE for each instance. If multiple instances are not configured, $CATALINA_BASE is the same as $CATALINA_HOME.
See: Apache Tomcat 7 - Introduction
Running with separate CATALINA_HOME and CATALINA_BAS...
What is string_view?
... array or string.
Such a view-handle class could be passed around cheaply by value and would offer cheap substringing operations (which can be implemented as simple pointer increments and size adjustments).
Many uses of strings don't require actual owning of the strings, and the string in question...
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...tiple
possible causes:
Some instances of the problem are caused by incorrect
app signing. You can easily distinguish this case because the problem
is 100% reproducible.
Some instances of the problem are caused by a
bug in how iOS supports app development (r. 23,991,853). Debugg...
POST JSON fails with 415 Unsupported media type, Spring 3 mvc
...son',
'success': callback
});
};
The Content-Type header is used by @RequestBody to determine what format the data being sent from the client in the request is. The accept header is used by @ResponseBody to determine what format to sent the data back to the client in the response. That's w...
Repeat each row of data.frame the number of times specified in a column
... 1:2]
The code for data.table is a tad cleaner:
# convert to data.table by reference
setDT(df)
df.expanded <- df[rep(seq(.N), freq), !"freq"]
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Is there a CSS parent selector?
...apply to the li tag */ }
However, as of 2020, this is still not supported by any browser.
In the meantime, you'll have to resort to JavaScript if you need to select a parent element.
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improv...
Can PHP cURL retrieve response headers AND body in a single request?
...es servers send some body with 302 response, but it will be anyway ignored by browsers, so far, why curl should handle this?)
– msangel
Apr 8 '14 at 14:37
...
Less aggressive compilation with CSS3 calc
...
Less no longer evaluates expression inside calc by default since v3.00.
Original answer (Less v1.x...2.x):
Do this:
body { width: calc(~"100% - 250px - 1.5em"); }
In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brack...
Custom method names in ASP.NET Web API
...
By default the route configuration follows RESTFul conventions meaning that it will accept only the Get, Post, Put and Delete action names (look at the route in global.asax => by default it doesn't allow you to specify any...