大约有 45,000 项符合查询结果(耗时:0.0540秒) [XML]

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Why does a return in `finally` override `try`?

... Finally always executes. That's what it's for, which means it's return gets used in your case. You'll want to change your code so it's more like this: function example() { var returnState = false; // initialisation value is really up to the design try...
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What is the difference between `new Object()` and object literal notation?

..., other than that your second one creates an object and adds a property to it. But literal notation takes less space in the source code. It's clearly recognizable as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized out by the JavaScript e...
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PHP - how to best determine if the current invocation is from CLI or web server?

...is from the command line (CLI) or from the web server (in my case, Apache with mod_php). 18 Answers ...
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How to install node.js as windows service?

... Late to the party, but node-windows will do the trick too. It also has system logging built in. There is an API to create scripts from code, i.e. var Service = require('node-windows').Service; // Create a new service object var svc = new Service({ name:'Hello World', descrip...
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source of historical stock data [closed]

... Let me add my 2¢, it's my job to get good and clean data for a hedge-fund, I've seen quite a lot of data feeds and historical data providers. This is mainly about US stock data. To start with, if you have some money don't bother with download...
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In Functional Programming, what is a functor?

...ader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ). ...
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What is N-Tier architecture?

I've seen quite a few developer job postings recently that include a sentence that reads more or less like this: "Must have experience with N-Tier architecture", or "Must be able to develop N-Tier apps". ...
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]

...stand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other? ...
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What is “runtime”?

... your program is running, especially those instructions that you did not write explicitly, but are necessary for the proper execution of your code. Low-level languages like C have very small (if any) runtime. More complex languages like Objective-C, which allows for dynamic message passing, have a ...
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images

Digital camera photos are often saved as JPEG with an EXIF "orientation" tag. To display correctly, images need to be rotated/mirrored depending on which orientation is set, but browsers ignore this information rendering the image. Even in large commercial web apps, support for EXIF orientation can ...