大约有 47,000 项符合查询结果(耗时:0.0643秒) [XML]

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Link to reload current page

...ve been using: <a href=".">link</a> Have yet to find a case and/or browser where it does not work as intended. Period means the current path. You can also use .. to refer to the folder above the current path, for instance, if you have this file structure: page1.html folder1 page...
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How to run a shell script on a Unix console or Mac terminal?

I know it, forget it and relearn it again. Time to write it down. 7 Answers 7 ...
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How to request Administrator access inside a batch file

....bat file. The desired behavior is that when they right-click on the file and say Open, they will get one of those UAC dialogs that makes the screen go dark and forces them to answer whether they want to give the application permission to run as administrator. Instead, they are just seeing "Access...
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]

... workspace between users. The problem is that after I create the workspace and change the permission on it, I encounter the error below (image) without even switching to a different user. ...
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Using Kafka as a (CQRS) Eventstore. Good idea?

... events in the stream. Each Kafka topic consists of one or more partitions and each partition is stored as a directory on the file system. There will also be pressure from ZooKeeper as the number of znodes increases. share ...
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Are “while(true)” loops so bad? [closed]

...ed to read: it's got an extra else block, the actOnInput is more indented, and if you're trying to work out what happens when testCondition returns true, you need to look carefully through the rest of the block to check that there isn't something after the else block which would occur whether runnin...
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Should I use string.isEmpty() or “”.equals(string)?

...equals(s) is you don't need the null check (equals will check its argument and return false if it's null), which you seem to not care about. If you're not worried about s being null (or are otherwise checking for it), I would definitely use s.isEmpty(); it shows exactly what you're checking, you ca...
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How to execute a raw update sql with dynamic binding in rails

... to do this generically. You could try accessing the underlying connection and using it's methods, e.g. for MySQL: st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?") st.execute(f1, f2, f3) st.close I'm not sure if there are other ramifications t...
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How do I calculate the normal vector of a line segment?

... if we define dx=x2-x1 and dy=y2-y1, then the normals are (-dy, dx) and (dy, -dx). Note that no division is required, and so you're not risking dividing by zero. share ...
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Building vs. Compiling (Java)

...ports. So as you can see, compiling is only a (small) part of the build (and the best practice is to fully automate all the steps with tools like Maven or Ant and to run the build continuously which is known as Continuous Integration). ...