大约有 47,000 项符合查询结果(耗时:0.0444秒) [XML]

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How can I get the behavior of GNU's readlink -f on a Mac?

...ption -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be? ...
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Difficulty with ng-model, ng-repeat, and inputs

I am trying to allow the user to edit a list of items by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown. ...
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How to swap two variables in JavaScript

... Here's a one-liner to swap the values of two variables. Given variables a and b: b = [a, a = b][0]; Demonstration below: var a=1, b=2, output=document.getElementById('output'); output.innerHTML="<p>Original: "+a+", "+b+"</p>"; b = [a, a = b][0]; output.innerHT...
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Is AngularJS just for single-page applications (SPAs)?

...ooking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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What is the difference between 'java', 'javaw', and 'javaws'?

What is the difference between java , javaw , and javaws ? 5 Answers 5 ...
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When is the thread pool used?

So I have an understanding of how Node.js works: it has a single listener thread that receives an event and then delegates it to a worker pool. The worker thread notifies the listener once it completes the work, and the listener then returns the response to the caller. ...
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JavaScript pattern for multiple constructors

...ors. If you want a function to behave differently depending on the number and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments. function foo(a, b) { if (b===undefined) // par...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...sing in the branch prediction table moving the branch eliminated the alias and allowed the branch to be predicted correctly Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch pr...
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Pandas timeseries plot setting x-axis major and minor ticks and labels

I want to be able to set the major and minor xticks and their labels for a time series graph plotted from a Pandas time series object. ...
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Apply multiple functions to multiple groupby columns

... The second half of the currently accepted answer is outdated and has two deprecations. First and most important, you can no longer pass a dictionary of dictionaries to the agg groupby method. Second, never use .ix. If you desire to work with two separate columns at the same time I wou...