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问题 I know there are thousands of similar topics but my pip command has suddenly stopped to work and, despite all my researchs, I can't figure out why. It has been a while since I last used pip and surprisingly my computer doesn't recognize the command anymore. I reinstalled pip and the prompt tells me that the PATH variable is not correctly updated. So I update it but that doesn't solve the problem, the prompt still tells me the PATH variable is not updated. I've tried uninstalling and

问题 In javascript/jquery, given a string of a url, how can I check if it is a url to a file or a directory? Thanks 回答1: You can't, because there's no difference in HTTP. A URL is neither a "file" nor a "directory." It's a resource . When requesting that resource, the server responds with, well, a response. That response consists of headers and content. A header (such as content-disposition ) may indicate that the response should be treated as a file by the consuming client. But in and of itself

问题 In javascript/jquery, given a string of a url, how can I check if it is a url to a file or a directory? Thanks 回答1: You can't, because there's no difference in HTTP. A URL is neither a "file" nor a "directory." It's a resource . When requesting that resource, the server responds with, well, a response. That response consists of headers and content. A header (such as content-disposition ) may indicate that the response should be treated as a file by the consuming client. But in and of itself

问题 I'm very new to Android programming. I have a code which creates a file in a designated folder and then tried to write something to it. Like below: path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments); var filename = Path.Combine(path, "Test.xml"); Directory.CreateDirectory (path); if (!File.Exists (path + "/" + "Test.xml")) { File.Create (path + "/" + "Test.xml"); } using (var streamWriter = new StreamWriter(filename, true)) { streamWriter.WriteLine("<?xml

问题 I'm very new to Android programming. I have a code which creates a file in a designated folder and then tried to write something to it. Like below: path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments); var filename = Path.Combine(path, "Test.xml"); Directory.CreateDirectory (path); if (!File.Exists (path + "/" + "Test.xml")) { File.Create (path + "/" + "Test.xml"); } using (var streamWriter = new StreamWriter(filename, true)) { streamWriter.WriteLine("<?xml

问题 I'm very new to Android programming. I have a code which creates a file in a designated folder and then tried to write something to it. Like below: path = System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments); var filename = Path.Combine(path, "Test.xml"); Directory.CreateDirectory (path); if (!File.Exists (path + "/" + "Test.xml")) { File.Create (path + "/" + "Test.xml"); } using (var streamWriter = new StreamWriter(filename, true)) { streamWriter.WriteLine("<?xml

问题 It works using an absolute path like: WebDriver = new ChromeDriver(@"C:\Users\<my user>\Documents\<my project>\WebDrivers\Chrome\"); But since I run my tests on a TFS build server too, I need it to be a relative path. 回答1: Add the drivers into your solution and in the properties window, define that you want to copy the files to the output directory. File Properties In the picture above, the drivers are in the resources directory: /my solution /resources /chromedriver.exe /IEDriverServer.exe

问题 I am making a python desktop application that saves a log as a .csv file in the user's Documents folder on Windows. The application is written in python 2.7 and kivy 1.8.0, packaged as a Windows program using pyinstaller 2.1, and the installer is made using Inno Setup Compiler. In this post, I will replace the user's real name with USER. I have the following lines of code: DOCUMENTS = os.path.expanduser('~\\Documents\\') print DOCUMENTS with open(DOCUMENTS + 'data_log.csv', 'ab') as f: do

问题 I have Path Which is stored into one variable That is String Path: String filepath="/mnt/sdcard/DCIM/Camera/1396854069062.jpg"; Now i want to rename only file that is 1396854069062.jpg I Reilly don't have any idea for how to do that. My Code Is: File sdcard = Environment.getExternalStorageDirectory(); File from = new File(sdcard, filePath); File to = new File(sdcard, "RChat_Rename.jpg"; from.renameTo(to); Any help will b appreciated. Thank You 回答1: Try this way, File sdcard = Environment

问题 Let's assume I have the following array: [ "About.vue", "Categories/Index.vue", "Categories/Demo.vue", "Categories/Flavors.vue" ] We use the Index.vue in each sub-folder to act as the parent of that folder. That means the above would look like: [ { name: "About", children: [] }, { name: "Categories", children: [ { name: "Index.vue", children: [] }, { name: "Demo.vue", children: [] }, { name: "Flavors.vue", children: [] } ] } ] I was able to get it working slightly by using the following