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问题 I require the following functionality in my website. Everything has to be done on the client (javascript or any javascript library). I have an image in my local machine, drag and drop it in the browser. Without any request to the server, the javascript has to convert this image as base64. I have a code for converting the image to base64 on the client side, but this one requires HTTP URL. What I need is, the image needs to be uploaded from local. function toDataURL(url, callback) { var xhr =

问题 I require the following functionality in my website. Everything has to be done on the client (javascript or any javascript library). I have an image in my local machine, drag and drop it in the browser. Without any request to the server, the javascript has to convert this image as base64. I have a code for converting the image to base64 on the client side, but this one requires HTTP URL. What I need is, the image needs to be uploaded from local. function toDataURL(url, callback) { var xhr =

问题 I already know that to open a webpage with the default browser you use: start www.google.com . However, I'm trying to open a URL that contains a '&' in it for example: https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world If I use: start https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world It will not work cause there is a & 回答1: & is a special caractere in batch so if the URL contains a special caractere you just have to do it like

问题 I already know that to open a webpage with the default browser you use: start www.google.com . However, I'm trying to open a URL that contains a '&' in it for example: https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world If I use: start https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world It will not work cause there is a & 回答1: & is a special caractere in batch so if the URL contains a special caractere you just have to do it like

问题 I already know that to open a webpage with the default browser you use: start www.google.com . However, I'm trying to open a URL that contains a '&' in it for example: https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world If I use: start https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world It will not work cause there is a & 回答1: & is a special caractere in batch so if the URL contains a special caractere you just have to do it like

问题 I already know that to open a webpage with the default browser you use: start www.google.com . However, I'm trying to open a URL that contains a '&' in it for example: https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world If I use: start https://www.google.dz/?gws_rd=cr,ssl&ei=rXc_WYq3Msy2abGXpugH#safe=off&q=hello+world It will not work cause there is a & 回答1: & is a special caractere in batch so if the URL contains a special caractere you just have to do it like

问题 I have been reading this and this. After reading I found myself very confused with my basics now. Please help me out as it involves the basics of networking and JSPs & Servlets Consider this hypothetical situation: If I open some www.xyz.com on some browser and don't do anything on that page for day. Q.1 Would that mean that same connection still exists if next day I request something from that page. Considering Connection: keep-alive is there. Q.2 How does session works in this context -I

问题 I have been reading this and this. After reading I found myself very confused with my basics now. Please help me out as it involves the basics of networking and JSPs & Servlets Consider this hypothetical situation: If I open some www.xyz.com on some browser and don't do anything on that page for day. Q.1 Would that mean that same connection still exists if next day I request something from that page. Considering Connection: keep-alive is there. Q.2 How does session works in this context -I

问题 I am trying to set samesite none; secure for my jsessionid cookie from java filter . I have added this in response set cookie header.After this change the request cookie jsessionId is same . In the response the jsessionId is modified with Samesite attribute None and secure. Will it work if the request jsessionId cookie remains unchanged. 回答1: A call to ServletResponse methods: sendError, getWrite.flush(), sendRedirect, getOutputStream.Flush commits the response, meaning the status code and

问题 When you navigate to https://stackoverflow.com in IE11, it redirects the user to Edge with the following tab open: https://support.microsoft.com/en-us/office/the-website-you-were-trying-to-reach-doesn-t-work-with-internet-explorer-8f5fc675-cd47-414c-9535-12821ddfc554?ui=en-us&rs=en-us&ad=us How do I implement this in my own site? Is there a meta tag that can enable this? EDIT: Here's a clip of what it looks like. Tried on Windows 10. https://streamable.com/nwtt22 回答1: Ah yes, I wondered this