大约有 32,294 项符合查询结果(耗时:0.0243秒) [XML]

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What are the uses of the exec command in shell scripts? [closed]

Can anyone explain what are the uses of the exec command in shell scripting with simple examples? 2 Answers ...
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Android soft keyboard covers EditText field

... Are you asking how to control what is visible when the soft keyboard opens? You might want to play with the windowSoftInputMode. See developer docs for more discussion. share ...
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Objective-C: Reading a file line by line

What is the appropriate way of dealing with large text files in Objective-C? Let's say I need to read each line separately and want to treat each line as an NSString. What is the most efficient way of doing this? ...
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java

... new object If you've read through the first example then you already now what's the purpose of the || {}. Because if there is no existing FOO object then the OR-case will become active and creates a new object, so you can assign functions to it. Like: var FOO = {}; FOO.skateboard = function() ...
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Android:What is difference between setFlags and addFlags for intent

What is difference between setFlags and addFlags for intent. Could any one explain it please. Help Appreciated. 3 Answers ...
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Is there a use-case for singletons with database access in PHP?

... You may end up with a second monitor, a second database, a second server--whatever. When this happens, if you have used a static class you're in for a much worse refactor than if you had used a singleton. A singleton is an iffy pattern in itself, but it converts fairly easily to an intelligent fa...
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What is a Y-combinator? [closed]

... that creates a factorial, but only if you pass in // a function that does what the inner function is doing. Func<Func<Double, Double>, Func<Double, Double>> fact = (recurs) => (x) => x == 0 ? 1 : x * recurs(x - 1); Now you have a function that takes a function,...
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Create an Array of Arraylists

... What does "cannot create an array of generic type" mean? That doesn't really make sense to me because its not a generic if you provide what its suppose to hold, right? – Andy Sep 1 '12 a...
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What is the easiest way to duplicate an activerecord record?

...record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this? 11 ...
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Python Requests throwing SSLError

...ing validated via SSL so I have to get past that step first. I don't know what Python requests is wanting? Where is this SSL certificate supposed to reside? ...