大约有 46,000 项符合查询结果（耗时：0.0696秒） [XML]
Get nodes where child node contains an attribute
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Try
//book[title/@lang = 'it']
This reads:
get all book elements
that have at least one title
which has an attribute lang
with a value of "it"
You may find this helpful — it's an article entitled "XPath in Five Paragraphs" by Ronald Bourret.
But in all hones...
Intermittent log4net RollingFileAppender locked file issue
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Try adding
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
to your <appender /> element. There is some performance impact because this means that log4net will lock the file, write to it, and unlock it for each write operation (as opposed to the default behavior,...
Why can't I use Docker CMD multiple times to run multiple services?
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Even though CMD is written down in the Dockerfile, it really is runtime information. Just like EXPOSE, but contrary to e.g. RUN and ADD. By this, I mean that you can override it later, in an extending Dockerfile, or simple in your run command, which is what you are experiencing. A...
Is AngularJS just for single-page applications (SPAs)?
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Not at all. You can use Angular to build a variety of apps. Client-side routing is just a small piece of that.
You have a large list of features that will benefit you outside of client-side routing:
two-way binding
templating
cur...
What is the difference between user variables and system variables?
...eating the environment for an application. System variables are shared for all users, but user variables are only for your account/profile.
If you deleted the system ones by accident, bring up the Registry Editor, then go to HKLM\ControlSet002\Control\Session Manager\Environment (assuming your curr...
How does __proto__ differ from constructor.prototype?
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I've been trying to wrap my head around this recently and finally came up with this "map" that I think sheds full light over the matter
http://i.stack.imgur.com/KFzI3.png
I know I'm not the first one making this up but it was more interesting figuring it out that finding it :-). An...
Explain ExtJS 4 event handling
...escribing DOM elements' event handling.
DOM node event handling
First of all you wouldn't want to work with DOM node directly. Instead you probably would want to utilize Ext.Element interface. For the purpose of assigning event handlers, Element.addListener and Element.on (these are equivalent) we...
Android Closing Activity Programmatically
...ou press the back button, the activity goes out of view. How can this be called from inside an activity so that it closes itself.
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How to select following sibling/xml tag using xpath
I have an HTML file (from Newegg) and their HTML is organized like below. All of the data in their specifications table is ' desc ' while the titles of each section are in ' name. ' Below are two examples of data from Newegg pages.
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Should I use a data.frame or a matrix?
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Something not mentioned by @Michal is that not only is a matrix smaller than the equivalent data frame, using matrices can make your code far more efficient than using data frames, often considerably so. That is one reason why internally, a lot of R functions will coerce to matrices data th...