大约有 15,600 项符合查询结果(耗时:0.0218秒) [XML]

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Create a Date with a set timezone without using a string representation

... It also can cause errors in the time values, near the daylight saving time transitions of the local time zone. In short, epoch shifting (via any implementation) does not work with the JavaScript Date object. Another way to see this here is t...
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Difference between method and function in Scala

... example: scala> val f = () => { return "test" } <console>:4: error: return outside method definition val f = () => { return "test" } ^ Returning from a function defined in a method does a non-local return: scala> def f: String = { ...
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Best architectural approaches for building iOS networking applications (REST clients)

...s of HTTP client, which I need in the particular application: SSL pinning, error processing and creating straightforward NSError objects with detailed failure reasons and descriptions of all API and connection errors (in such case controller will be able to show correct messages for the user), setti...
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

...aks in a most egregious fashion. The "best" way to break is by compilation error. For example if you SELECT * somewhere, the addition of a column could fail to compile. The next best way to fail would be a run time error. It's worse because your users may see it, but it still gives you a nice warnin...
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Use C++ with Cocoa Instead of Objective-C?

... test1.cpp: In function 'int main(int, char**)': test1.cpp:26:48: error: cannot convert 'Class {aka objc_class*}' to 'id {aka objc_object*}' in initialization id pool = objc_getClass("NSAutoreleasePool"); ^ test1.cpp:41:61: error: cannot ...
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Selector on background color of TextView

...his works, but officially is not supported (Android Studio treats it as an error). – Blackhex Sep 30 '13 at 15:21 @Bla...
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Best way to represent a fraction in Java?

... a BigFraction from a floating-point number. * * Warning: round-off error in IEEE floating point numbers can result * in answers that are unexpected. For example, * System.out.println(new BigFraction(1.1)) * will print: * 2476979795053773/2251799813685248 * * This...
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Why are my JavaScript function names clashing?

...sole.log("Me duplicate."); } f(); prints out "Me original." and then an error. What is happening here is that the new causes the function to be used as a constructor. So this is equivalent to the following: function myConstructor() { console.log("Me original."); } var f = new myConstructor(...
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Vim: What's the difference between let and set?

...standard tiny and small builds do this. If it's missing let gives you the error: E319: Sorry, the command is not available in this version Note: if and endif are not implemented either in vim.tiny but in this case the commands do not give an error, instead everything between the two commands is sk...
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What's the best way of structuring data on firebase?

...console.log('email', userSnap.val().email) ); }) .catch(e => console.error(e)); The problem with this approach is that I have just forced the client to download all of the users' messages and widgets too. No biggie if none of those things number in thousands. But a big deal for 10k users wit...