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android - java.text.ParseException: Unparseable date: java.text.DateFormat.parse(DateFormat.java:579)

I have problem with SimpleDateFormat. SimpleDateFormat dtfmt=new SimpleDateFormat("dd MMM yyyy hh:mm a", Locale. ... .parse(DateFormat.java:579) Any solution? Question&Answers:os...

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

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html - Reading file contents on the client-side in javascript in various browsers

I'm attempting to provide a script-only solution for reading the contents of a file on a client machine ... can send this information back as a verification. Question&Answers:os...

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

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utf 8 - How to make MySQL handle UTF-8 properly

One of the responses to a question I asked yesterday suggested that I should make sure my database can handle UTF-8 ... correctly. How I can do this with MySQL? Question&Answers:os...

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

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c# - How to split csv whose columns may contain ,

Given 2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,"Corvallis, OR",7679,351,81, ... "]*"[^"]*")*[^"]*$)"); Question&Answers:os...

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

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How can I use JQuery to post JSON data?

I would like to post Json to a web service on the same server. But I don't know how to post Json using JQuery. ... ? Or do I have to use a manual ajax request? Question&Answers:os...

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

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garbage collection - Can java finalize an object when it is still in scope?

I've been looking into a bug in my code that seems to be caused by some "ugly" finalizer code. The code ... something more subtle must be the root of my bug. Question&Answers:os...

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

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Android studio adds unwanted permission after running application on real device

After running application on device application required unwanted location permission that is not mention in manifest ... location permission added in my app? Question&Answers:os...

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

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How can one change the timestamp of an old commit in Git?

The answers to How to modify existing, unpushed commits? describe a way to amend previous commit messages that haven't yet ... a way to also re-set the times? Question&Answers:os...

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

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c++ - Copy a file in a sane, safe and efficient way

I search for a good way to copy a file (binary or text). I've written several samples, everyone works. But ... follow. http://www.ttyhoney.com/blog/?page_id=69 Question&Answers:os...

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

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rstudio - Change R default library path using .libPaths in Rprofile.site fails to work

I am running R on Windows, not as an administrator. When I install a package, the following command doesn't work: > ... /R-2.15.2/library" Isn't that strange? Question&Answers:os...

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

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networking - Detect network connection type on Android

How do you detect the network connection type on Android? Is it through ConnectivityManager.getActiveNetworkInfo(). ... answer limited to Wifi and mobile? Question&Answers:os...

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

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unix - What is the cleanest way to ssh and run multiple commands in Bash?

I already have an ssh agent set up, and I can run commands on an external server in Bash script doing ... because it is extremely ugly and difficult to read. Question&Answers:os...

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

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jquery - WARNING: Can't verify CSRF token authenticity rails

I am sending data from view to controller with AJAXand I got this error: WARNING: Can't verify CSRF token authenticity I ... ="csrf-token"]').attr('content') }, Question&Answers:os...

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

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c++ - c++11 Return value optimization or move?

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

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java - Servlet for serving static content

I deploy a webapp on two different containers (Tomcat and Jetty), but their default servlets for serving the static ... (so it looks in the static folder). Question&Answers:os...

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

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How do I base64 encode (decode) in C?

I have binary data in an unsigned char variable. I need to convert them to PEM base64 in c. I looked in ... find any function. Does any body have any idea? Question&Answers:os...

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

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algorithm - Find largest rectangle containing only zeros in an N×N binary matrix

Given an NxN binary matrix (containing only 0's or 1's), how can we go about finding largest rectangle containing all ... all 0's, in this example 3 × 4. Question&Answers:os...

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

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Android Fragment no view found for ID?

I have a fragment I am trying to add into a view. FragmentManager fragMgr=getSupportFragmentManager(); ... Am I coding this correctly above? Question&Answers:os...

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

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scala - Write single CSV file using spark-csv

I am using https://github.com/databricks/spark-csv , I am trying to write a single CSV, but not able to, it ... like path and file name and write that CSV file. Question&Answers:os...

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

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Instance variables vs. class variables in Python

I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the ... , BController] def action(self, request): pass Question&Answers:os...

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

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206 views

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r - Shading a kernel density plot between two points.

I frequently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so: ... shade the the area between q75 and q95? Question&Answers:os...

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

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sql - Referring to a Column Alias in a WHERE Clause

SELECT logcount, logUserID, maxlogtm , DATEDIFF(day, maxlogtm, GETDATE()) AS daysdiff FROM statslogsummary WHERE ... the little stuff that drives me crazy. Question&Answers:os...

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

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php - What kinds of patterns could I enforce on the code to make it easier to translate to another programming language?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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How can I read multiple (excel) files into R?

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

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c++ - How to add additional libraries to Visual Studio project?

Allergro is an open souce C++ addon library for graphics manipulation. How do I add this library to my compiler? The ... file. How do I add it to my projects? Question&Answers:os...

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

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java - How to efficiently remove duplicates from an array without using Set

I was asked to write my own implementation to remove duplicated values in an array. Here is what I have created. But ... i] = arr[i]; } return whitelist; } Question&Answers:os...

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

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java - Including jars in classpath on commandline (javac or apt)

trying to run this program. I think that to setup all of the web service stuff I need to run apt. ( ... a new question to keep things nice and organized: Question&Answers:os...

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

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hash - Are mutable hashmap keys a dangerous practice?

Is it bad practice to use mutable objects as Hashmap keys? What happens when you try to retrieve a value from ... Or is the behavior dependent on the language? Question&Answers:os...

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

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