OStack Q&A-Knowledge Sharing Community

0 votes

543 views

1 answer

Convert string Date into timestamp in Android?

I want to convert my date (which is in String format), e.g. 13-09-2011, into Timestamp. I used below ... .println("Today is " +timeStampDate); See Question&Answers more detail:os...

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

0 votes

357 views

1 answer

SQL & PHP - Which is faster mysql_num_rows() or 'select count()'?

I'm just wondering which method is the most effective if I'm literally just wanting to get the number of rows ... any decent testing on this? See Question&Answers more detail:os...

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

0 votes

493 views

1 answer

ios9 - Is it possible to disable ATS in iOS 9 just for debug environment?

I'm working on a development environment without HTTPS setup. Is it possible to automatically disable ATS just for the development (debug) mode? See Question&Answers more detail:os...

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

0 votes

562 views

1 answer

html - Prevent a centered layout from shifting its position when scrollbar appears

My page layout looks something like this: <style type="text/css"> #content-wrap { margin: 0 auto; width: ... to always display the scrollbar? See Question&Answers more detail:os...

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

0 votes

574 views

1 answer

css - Mysterious whitespace in between Bootstrap2 Navbar and row underneath

I am using Bootstrap's Navbar and Bootsrap's grid to display a Navbar with a image immediately underneath the ... vertical-align: bottom; } See Question&Answers more detail:os...

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

0 votes

392 views

1 answer

jQuery Ajax simple call

I'm trying a basic ajax call. So I'm hosting the following test php on a test server: http://voicebunny. ... and never the JSON. Thank you See Question&Answers more detail:os...

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

0 votes

553 views

1 answer

java - IncompatibleClassChangeError: class ClassMetadataReadingVisitor has interface ClassVisitor as super class

I have built a web application using spring-mvc and mongodb as database. I used maven3 to build the ... you guys 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

849 views

1 answer

mysql - Not unique table/alias

I get the error ERROR 1066 (42000): Not unique table/alias: I cant figure out whats wrong with it. ... Project_ID where Access_Type = 'Client'; See Question&Answers more detail:os...

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

0 votes

893 views

1 answer

dart - Flutter Back button with return data

I have an interface with two buttons that pop and return true or false, like so: onPressed: () => Navigator. ... there a way to accomplish this? See Question&Answers more detail:os...

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

0 votes

1.2k views

1 answer

c# - Is it possible to create some IGrouping object

I have List<IGrouping<string,string>>. Is is somehow possible to add new item to this list? Or actually, ... to create some IGrouping object? See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

c# - Culture invariant Decimal.TryParse()

I'm writing a custom string to decimal validator that needs to use Decimal.TryParse that ignores culture (i.e. ... What's the correct usage? See Question&Answers more detail:os...

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

0 votes

438 views

1 answer

ios - Detect a Null value in NSDictionary

I have an NSDictionary that's populated from a JSON response from an API server. Sometimes the values for a key ... to be working in Swift. See Question&Answers more detail:os...

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

0 votes

773 views

1 answer

gcc - Compile with older libc (version `GLIBC_2.14' not found)

I have to compile a program on a current ubuntu (12.04). This program should then run on a cluster using ... I link the old libc correctly? See Question&Answers more detail:os...

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

0 votes

412 views

1 answer

Java versioning and terminology, 1.6 vs 6.0 OpenJDK vs Sun

I'm having problems understanding Java versioning. I'm seeing lots of versions like 1.4.2, 1.5 and 1.6, ... confusing to someone new to Java. See Question&Answers more detail:os...

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

0 votes

533 views

1 answer

c# - How to check if an IP address is within a particular subnet

I have a subnet in the format 10.132.0.0/20 and an IP address from the ASP.Net request object. Is there ... be done? Bit manipulation, I guess? See Question&Answers more detail:os...

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

0 votes

834 views

1 answer

rust - When I can use either Cell or RefCell, which should I choose?

From the std::cell documentation, I see that Cell is "only compatible with types that implement Copy". This means I ... }", cell.count()); } See Question&Answers more detail:os...

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

0 votes

521 views

1 answer

javascript - Is it possible to reset an ECMAScript 6 generator to its initial state?

Given the provided (very simple) generator, is it possible to return the generator back to its original state to use ... on in that same scope. See Question&Answers more detail:os...

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

0 votes

495 views

1 answer

android - Disable scrolling of a ListView contained within a ScrollView

I want to show a Profile screen for my users. It must have three views (2 Buttons and a ImageView) and a ... the first item in my ListView? See Question&Answers more detail:os...

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

0 votes

599 views

1 answer

.net - Serializing a list of Key/Value pairs to XML

I have a list of key/value pairs I'd like to store in and retrieve from a XML file. So this task is similar ... "listElement" I'd like to have? See Question&Answers more detail:os...

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

0 votes

617 views

1 answer

jquery validation: prevent form submit

By the use of the jQuery plugin Validation, I am trying to, well, validate my form. When the ... this possible with jquery validation? See Question&Answers more detail:os...

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

0 votes

453 views

1 answer

c++ - Move semantics == custom swap function obsolete?

Recently, many questions pop up on how to provide your own swap function. With C++11, std::swap will use ... certain reference variables? Hm... See Question&Answers more detail:os...

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

0 votes

415 views

1 answer

PHP Multiple Curl Requests

I'm currently using Curl for PHP a lot. It takes a lot of time to get results of about 100 pages each ... should I use the multi_init() etc? See Question&Answers more detail:os...

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

0 votes

575 views

1 answer

python - make pandas DataFrame to a dict and dropna

I have some pandas DataFrame with NaNs in it. Like this: import pandas as pd import numpy as np raw_data={'A':{1 ... and get rid of the NaNs ? 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

c# - What quality level does Image.Save() use for jpeg files?

I just got a real surprise when I loaded a jpg file and turned around and saved it with a quality of 100 and the ... == format.Guid; }); } See Question&Answers more detail:os...

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

0 votes

279 views

1 answer

How can I call a java static method in clojure?

I wish to call class on the String class. How can I access this static method? See Question&Answers more detail:os...

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

0 votes

1.2k views

1 answer

multithreading - Python thread name doesn't show up on ps or htop

When I set the name for a Python thread, it doesn't show up on htop or ps. The ps output only shows python ... 31421 pts/30 00:00:00 python See Question&Answers more detail:os...

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

0 votes

449 views

1 answer

java - Why does the debugged program slow down so much when using method entry debugging?

I'm using jdi interfaces to create a debugger and when I use MethodEntryRequests to enable method entry tracing the ... =y,server=y,address=1337 See Question&Answers more detail:os...

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

0 votes

538 views

1 answer

c# - Thread safety of a Dictionary<TKey, TValue>

If I initialize a generic dictionary once, and no further adds/updates/removes are allowed, is it safe to ... for the Generic Dictionary. 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