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php - How to check if a file exists from a url

I need to check if a particular file exists on a remote server. Using is_file() and file_exists() doesn't ... to do this quickly and easily? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why are new java.util.Arrays methods in Java 8 not overloaded for all the primitive types?

I'm reviewing the API changes for Java 8 and I noticed that the new methods in java.util.Arrays are not ... they have to limit the API? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How do I use external script that I add to react JS?

I would like to add to my react component a <script>http://xxx.xxx/XX.js</script> I know I can simply add ... it and use it from a component? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to concatenate element-wise two lists in Python

I have two lists and I want to concatenate them element-wise. One of the list is subjected to string-formatting ... tell me how to do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - How to solve/hack fading semi-transparent PNG bug in IE8?

As you know, IE6 has bug that can't display semi-transparent PNG file without using non-standard style like ... source code from here. Thanks, See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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321 views

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How to get screen coordinates from marker in google maps v2 android

I have a small android problem (google maps v2 api) This is my code: GoogleMaps mMap; Marker marker = mMap.addMarker ... see to work. Thanks! :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - Should I redistribute msvcrt.dll with my application?

Should I redistribute msvcrt.dll with my application and use the private dll if some of the application's libs ... for Windows Server systems. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert SVG to PDF

How would one go about converting a SVG file to a PDF programatically? (I need to alter the SVG in certain ... , and then generate the PDF. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I get the title of a webpage given the url (an external url) using JQuery/JS

I am a newbie, so excuse me if this is a silly question .. So what I was trying is to get the title ... its title. Is there any such function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I replace (or strip) an extension from a filename in Python?

Is there a built-in function in Python that would replace (or remove, whatever) the extension of a filename (if ... is somefile.txt.txt.txt) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dom - Set custom attribute using JavaScript

I am using The DynaTree (https://code.google.com/p/dynatree) but I am having some problems and hoping someone ... what I might be doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Facebook API "This app is in development mode"

What does "development mode" mean for a facebook app? I find no exact explanation of what I can and can' ... vs not available to general public" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server 2005 - How do I move files to an archive folder after the files have been processed?

I am trying to archive a set of files from the source path to an archive path once I have completed doing ... is being evaluated just fine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Plot a plane based on a normal vector and a point in Matlab or matplotlib

How would one go plotting a plane in matlab or matplotlib from a normal vector and a point? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - iPhone popup menu like iPad popover?

How can i implement this popup menu in iphone app like a popover in ipad? EDIT: This is the best at moment: https://github.com/runway20/PopoverView Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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204 views

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How to get Windows native look for the .NET TreeView?

When using the TreeView component in .NET, I get the look of the left tree. How can I get the look of ... node handles and the blue "bubble" selection square. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dom - is there an alternative to DOMAttrModified that will work in webkit

I need to leverage this DOM event. IE has onpropertychange, which does what I need it to do also. Webkit ... however. Is there an alternative I could use? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

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Scrape / eavesdrop AJAX data using JavaScript?

Is it possible to use JavaScript to scrape all the changes to a webpage that is being updated live with ... some direction. Can JavaScript accomplish this?? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to set selected value of jQuery Select2?

This belong to codes prior to Select2 version 4 I have a simple code of select2 that get data from AJAX ... Select2 programmatic access does not work with this. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is there any practical reason to use quoted strings for JSON keys?

According to Crockford's json.org, a JSON object is made up of members, which is made up of pairs. Every pair is ... As opposed to the invalid: { keyName : 34 } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Using $window or $location to Redirect in AngularJS

The app I am working on contains various states (using ui-router), where some states require you to be ... $window.location.href = landingUrl; it now works. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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Writing List of Strings to Excel CSV File in Python

I'm trying to create a csv file that contains the contents of a list of strings in Python, using the ... checked PEP 305 and couldn't find anything specific. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

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javascript - Cutting a string at nth occurrence of a character

What I want to do is take a string such as "this.those.that" and get a substring to or from the nth occurrence ... result will be in a string and not an array. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

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regex - Regular expression to match last number in a string

I need to extract the last number that is inside a string. I'm trying to do this with regex and negative ... lookahead is not working. Any one care to explain? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android open pdf file

I'm developing an Android application and I have to open some files. This is my code using intent: public class ... AndroidManifest? Or how can I open that pdf? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

1 answer

excel - How can I reference a cell's value in PowerQuery

I'm having multiple PowerQuery queries that I would like to feed the value of a cell in my Excel file. In ... there any way I can get this into PowerQuery? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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230 views

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iphone - SEL performSelector and arguments

It seems like there should be an easy way to call a selector with some arguments when all you have is a SEL object ... i =10; [parent performSelector:sel:i ]; } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

1 answer

Removing Horizontal Lines in image (OpenCV, Python, Matplotlib)

Using the following code I can remove horizontal lines in images. See result below. import cv2 from matplotlib import ... which I am working on are these... Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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