大约有 32,000 项符合查询结果(耗时:0.0457秒) [XML]

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Is there a JavaScript function that can pad a string to get to a determined length?

...e most readable and concise approach I've found; simple enough that I generally wouldn't even bother with the prototype extension (at least for only a few uses in an app). Well done. – brichins May 7 '13 at 23:54 ...
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How do I run a Node.js application as its own process?

.../bin Environment=NODE_ENV=production WorkingDirectory=/var/www/myapp [Install] WantedBy=multi-user.target Note if you're new to Unix: /var/www/myapp/app.js should have #!/usr/bin/env node on the very first line. Copy your service file into the /etc/systemd/system folder. Tell systemd about the ...
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Pick a random element from an array

... Int? Also, why doesn't Swift offer an Int alternative to this function or allow a user to specify what type of integer they would like returned? – Austin A Sep 27 '14 at 21:10 ...
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BindingFlags.IgnoreCase not working for Type.GetProperty()?

...en the default look-up flags, if you specify new flags you need to provide all the info so that the property can be found. For example: BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance share | ...
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What is JAXB and why would I use it? [closed]

... I'm a big fan of JAXB for manipulating XML. Basically, it provides a solution to this problem (I'm assuming familiarity with XML, Java data structures, and XML Schemas): Working with XML is difficult. One needs a way to take an XML file - which is basically a text file - a...
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How does the HyperLogLog algorithm work?

...ently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list. ...
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How to send emails from my Android application?

... ex) { Toast.makeText(MyActivity.this, "There are no email clients installed.", Toast.LENGTH_SHORT).show(); } Otherwise you'll have to write your own client. share | improve this answer ...
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Using @property versus getters and setters

... Prefer properties. It's what they're there for. The reason is that all attributes are public in Python. Starting names with an underscore or two is just a warning that the given attribute is an implementation detail that may not stay the same in future versions of the code. It doesn't preven...
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What is the difference between varchar and varchar2 in Oracle?

...t rationale before, that's useful. Thanks. For the record, it is still totally ridiculous that the main character type in Oracle is "varchar2". Doesn't that strike anybody else as a terrible kludge? Seems like how I would have solved some problem in my first week of learning to program. ...
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LINQ Single vs First

...should NOT use one, when you mean the other. Note: In my code, I will typically use FirstOrDefault() and SingleOrDefault() but that's a different question. Take, for example, a table that stores Customers in different languages using a Composite Key ( ID, Lang ): DBContext db = new DBContext(); Cust...