OStack Q&A-Knowledge Sharing Community

0 votes

551 views

1 answer

How to change the base date for parsing two letter years with Java 8 DateTimeFormatter?

If I use a pattern like d/M/yy for creating a Java 8 DateTimeFormatter (e.g. using DateTimeFormatter.ofPattern ... for parsing two-letter years? See Question&Answers more detail:os...

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

0 votes

711 views

1 answer

java - Regular Expression - Capturing all repeating groups

I have strings like below: @property.one@some text [email protected]@another optional text here etc which contains @ ... group while repeating. See Question&Answers more detail:os...

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

0 votes

616 views

1 answer

python - how to speed up a vector cross product calculation

Hi I'm relatively new here and trying to do some calculations with numpy. I'm experiencing a long elapse ... matrix math is somewhat flakey. See Question&Answers more detail:os...

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

0 votes

463 views

1 answer

C# Datetimes: Conversion for different time zones

I have a bunch of date times that I keep track of for my app. They are all in UTC time. For part of my ... timestamp.Hour = timestamp.Hour - 1; See Question&Answers more detail:os...

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

0 votes

520 views

1 answer

java - Change output filename prefix for DataFrame.write()

Output files generated via the Spark SQL DataFrame.write() method begin with the "part" basename prefix. e.g. ... the DataFrame.write() method? See Question&Answers more detail:os...

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

0 votes

936 views

1 answer

asp.net core - How to correctly get dependent scoped services from ISecurityTokenValidator

In my asp.net core 2.0 web app, I've got a custom ISecurityTokenValidator which validates tokens. It depends on a ... to make it work here... See Question&Answers more detail:os...

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

0 votes

549 views

1 answer

java - Two ArrayList one RecyclerView Adapter

I have a chat screen where i can chat with other user, i am sending chat data (message,time and ... or adapter.notifyDataSetChanged should work? See Question&Answers more detail:os...

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

0 votes

670 views

1 answer

sorting - How do I sort an array of structs by multiple values?

I already have code to sort by 1 value as shown below, but I'm wondering how to sort using multiple values? ... (sorted[index].someString)") } See Question&Answers more detail:os...

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

0 votes

566 views

1 answer

c# - IIS 7.5, Web Service and HTTP 405 error

I have a web service which I host on my machine. I use Windows 7 and IIS 7.5. Problem: When the client ... ? Web service is built using WCF. See Question&Answers more detail:os...

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

0 votes

756 views

1 answer

perl - How do I extract the domain out of an URL?

How do I extract the domain out of an URL? Is there a Perl Module? I could not find any. See Question&Answers more detail:os...

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

0 votes

372 views

1 answer

c++ - multiple inheritance: unexpected result after cast from void * to 2nd base class

My program needs to make use of void* in order to transport data or objects in dynamic invocation situation, so that ... be a bug in gcc? Thanks See Question&Answers more detail:os...

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

0 votes

733 views

1 answer

linux - SUID not working with shell script

I have created a small shell script with the following content: cat /usr/bin/checksuid.sh !/bin/bash echo " ... that why SUID is not working? See Question&Answers more detail:os...

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

0 votes

558 views

1 answer

Converting factors to binary in R

I am trying to convert a factor variable into binary / boolean (0 or 1). Sample data: df <-data.frame(a ... . library(ade4) acm.disjonctif(df) See Question&Answers more detail:os...

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

0 votes

559 views

1 answer

Converting String List into Int List in SQL

I have a nvarchar(MAX) in my stored procedure which contains the list of int values, I did it like this as it is not ... . or (','+@List+','). See Question&Answers more detail:os...

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

0 votes

534 views

1 answer

c++ - Why can I call base template class method from derived class

I decided to test one of the examples in "Effective C++" and I'm not getting the result I expected. So, ... Is the above code correct or not? See Question&Answers more detail:os...

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

0 votes

679 views

1 answer

windows - How to read from a text file using VBScript?

I am looking to see a simple way to read from and write to a text file using VBScript. I think this is an ... from a file in a similar fashion. See Question&Answers more detail:os...

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

0 votes

472 views

1 answer

java - How do I clear ListView selection?

TL;DR: You choose an option from (a) my listview. Then, you change your mind and type something in (b ... ="@color/colorPrimary"> </ListView> See Question&Answers more detail:os...

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

0 votes

427 views

1 answer

c++ - Can a single member of a class template be partially specialized?

I came across an interesting point that I wasn't able to explain or find an explanation for. Consider the ... foresee? Is it an oversight? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

oracle11g - Error while trying to retrieve text for error ORA-01019

I have a question related to oracle. I have a machine which earlier had Oracle client installed on it. I ... know if you need more information See Question&Answers more detail:os...

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

0 votes

648 views

1 answer

stream - Effective use of C++ iomanip library

I created a Vector class in C++ and it works great for my problems. I am now cleaning it up, and I ran ... output.precision(p); return output; } See Question&Answers more detail:os...

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

0 votes

712 views

1 answer

asp.net mvc - Unbuffered Output Very Slow

I generate a very large .csv file from a database using the method outlined in https://stackoverflow. ... appreciable difference in performance. See Question&Answers more detail:os...

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

0 votes

583 views

1 answer

javascript - jqPlot DateAxis tickInterval not working

I'm trying to draw a chart with a single datapoint each month. I'm sending this through to jqPlot as a single ... better ideas I'll do this! See Question&Answers more detail:os...

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

0 votes

480 views

1 answer

java - Inheritance in Static Methods

Why does the below code print "Main"? public class Main { public static void method() { System.out. ... should conceptually print "SubMain". See Question&Answers more detail:os...

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

0 votes

540 views

1 answer

javascript - IE6 Hover Issue

The CSS :hover doesn't work in IE6 for elements that are not links. Is there a workaround? e.g. how do I apply the :hover to a div? See Question&Answers more detail:os...

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

0 votes

423 views

1 answer

java - How to create a println/print method for a custom class

I'm working in Java on a project that requires me to make a few 'container' classes, if you will. Here is ... to correctly print my Pair class? See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

python - Set.pop() isn't random?

From the python docs, "set.pop() remove and return an arbitrary element from s". While generating some random data ... that it will be "random". See Question&Answers more detail:os...

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

0 votes

919 views

1 answer

c# - "does not contain a static 'main' method suitable for an entry point"

I can't figure what's my wrong with my code below. When I try to compile I get the message: does not contain ... tell me where I've gone wrong. See Question&Answers more detail:os...

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

0 votes

642 views

1 answer

internet explorer 9 - IE9, Automation server can't create object error while using CertEnroll.dll

In my web page, a JS block like this: var classFactory = new ActiveXObject("X509Enrollment. ... native English speaker. See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags