大约有 42,000 项符合查询结果(耗时:0.0421秒) [XML]

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Optimistic vs. Pessimistic locking

I understand the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general? ...
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How to compare types

Quick question: how to compare a Type type (pun not intended) with another type in C#? I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work. ...
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How to remove new line characters from a string?

I have a string in the following format 11 Answers 11 ...
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Is it considered bad practice to perform HTTP POST without entity body?

I need to invoke a process which doesn't require any input from the user, just a trigger. I plan to use POST /uri without a body to trigger the process. I want to know if this is considered bad from both HTTP and REST perspectives? ...
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sed edit file in place

I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
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Does Android support near real time push notification?

I recently learned about the ability of iPhone apps to receive nearly instantaneous notifications to apps notifications to apps . ...
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Simple (non-secure) hash function for JavaScript? [duplicate]

Can anyone suggest a simple (i.e. tens of lines of code, not hundreds of lines) hash function written in (browser-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD...
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Numeric for loop in Django templates

How do I write a numeric for loop in a Django template? I mean something like 19 Answers ...
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Separating class code into a header and cpp file

I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class? ...
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Is there a way to access an iteration-counter in Java's for-each loop?

Is there a way in Java's for-each loop 15 Answers 15 ...