OStack Q&A-Knowledge Sharing Community

0 votes

197 views

1 answer

Odd method call in java using a dot operator to access a generic list

I came across some advanced java code (advanced for me :) ) I need help understanding. In a class there is a ... ); } } return returnValue; } See Question&Answers more detail:os...

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

0 votes

130 views

1 answer

How do I extend a python module? Adding new functionality to the `python-twitter` package

What are the best practices for extending an existing Python module - in this case, I want to extend the ... changing this modules' core. 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

Alternative to getRunningTasks in Android L

It's been well documented that getRunningTasks is now deprecated in Android L. I used this to get top ... to the documentation for this? See Question&Answers more detail:os...

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

0 votes

708 views

1 answer

java - How to verify a jar signed with jarsigner programmatically

I'm wanting to sign a jar using jarsigner, then verify it using a Java application which does not have the ... in a better way? Thanks See Question&Answers more detail:os...

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

0 votes

1.6k views

1 answer

oracle - NLS_LANG setting for JDBC thin driver?

I am using the thin Oracle JDBC driver ver 10.2.0 (ojdbc14.jar). I would like to configure its ... but this seems unelegant and unefficient. See Question&Answers more detail:os...

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

0 votes

282 views

1 answer

Picasso Library, Android: Using Error Listener

I'm playing around with the Picasso library for image loading, but I'm running into an issue. When an image ... "thisshouldbreak.jpg").into(iv); See Question&Answers more detail:os...

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

0 votes

336 views

1 answer

How to change the Font Size in a whole Application programmatically, Android?

I have created Spinner with the list of Font Sizes from "8" to "46" . I could be able to click the ... could i do this by programmatically ? See Question&Answers more detail:os...

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

0 votes

270 views

1 answer

android - How to open phones gallery through code

I wanna to open phones gallery through a button click. In my activity I have a button, I want to open the gallery through that button click. See Question&Answers more detail:os...

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

0 votes

371 views

1 answer

Getting a stacked area plot in R

This question is a continuation of the previous question I asked. Now I have a case where there is also ... given by the different colours See Question&Answers more detail:os...

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

0 votes

813 views

1 answer

android - How can I change font size in PreferenceScreen

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceCategory android:title="First ... how to get this? 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

c# - Async ShowDialog

I'm using async/await to asynchronously load my data from database and during the loading process, I want to popup ... ? Thanks for your help. See Question&Answers more detail:os...

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

0 votes

887 views

1 answer

typescript - Angular 2 Dynamically insert a component into a specific DOM node without using ViewContainerRef

I have a question regarding dynamic component creation in Angular 2 rc5. So let's assume that we have two plain ... </div> </div> Thanks! See Question&Answers more detail:os...

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

0 votes

883 views

1 answer

google app engine - Avoiding Memcache "1000000 bytes in length" limit on values

My model has different entities that I'd like to calculate once like the employees of a company. To avoid ... that) before going into Memcache. See Question&Answers more detail:os...

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

0 votes

327 views

1 answer

Rename all files in a directory with a Windows batch script

How would I write a batch or cmd file that will rename all files in a directory ... .jpg 757_MOT_Layla_Testimony_2_67x100.jpg See Question&Answers more detail:os...

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

0 votes

414 views

1 answer

javascript - Difference between onbeforeunload and onunload

What are the differences between onbeforeunload and onunload ? Also I have a specific question related to it's use ... this issue ? Thank you. See Question&Answers more detail:os...

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

0 votes

695 views

1 answer

c# - Deserialize JSON string to Dictionary<string,object>

I have this string: [{ "processLevel" : "1" , "segments" : [{ "min" : "0", "max" : "600" }] }] I ... but dic gets null. What can be the issue ? See Question&Answers more detail:os...

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

0 votes

292 views

1 answer

Why parallel stream get collected sequentially in Java 8

Why forEach prints numbers in random order, while collect always collects elements in original order, even from parallel stream? ... , 6, 7, 8] 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

Multiple index variables in PHP foreach loop

Is it possible to have a foreach loop in PHP with multiple "index" variables, akin to the following (which ... to achieve the same result? 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

c# - Using a list as a data source for DataGridView

I've extracted the setting names and their respective values out of a configuration file into an ordered dictionary. ... empty. Anyone know why? 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

R: ggplot2, can I set the plot title to wrap around and shrink the text to fit the plot?

library(ggplot2) my_title = "This is a really long title of a plot that I want to nicely wrap and fit onto the ... the text to fit the plot? See Question&Answers more detail:os...

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

0 votes

800 views

1 answer

c# - Registry.LocalMachine.OpenSubKey() returns null

I get a null back from this attempt to access the Windows Registry: using (RegistryKey registry = Registry. ... the Local Machine hive? See Question&Answers more detail:os...

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

0 votes

310 views

1 answer

c# - Linq - What is the quickest way to find out deferred execution or not?

What is the quickest way to find out which .net framework linq methods (e.g .IEnumerable linq methods) are implemented ... can be looked up :D). See Question&Answers more detail:os...

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

0 votes

707 views

1 answer

json - Standard way of referencing an object by identity (for, eg, circular references)?

Is there a standard way of referencing objects by identity in JSON? For example, so that graphs and other data ... , solution to this problem. See Question&Answers more detail:os...

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

0 votes

827 views

1 answer

security - Create a temporary FIFO (named pipe) in Python?

How can you create a temporary FIFO (named pipe) in Python? This should work: import tempfile ... mkstemp/NamedTemporaryFile have created. See Question&Answers more detail:os...

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

0 votes

957 views

1 answer

cmd - How do I compare timestamps of files in a batch script?

In DOS batch files, the method of achieving certain things is somewhat obfuscated. Fortunately, there is a fantastic ... the same age ) Thanks. See Question&Answers more detail:os...

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

0 votes

287 views

1 answer

c++ - Why doesn't std::string provide implicit conversion to char*?

std::string provides const char* c_str ( ) const which: Get C string equivalent Generates a null-terminated sequence ... {return c_str();}? See Question&Answers more detail:os...

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

0 votes

358 views

1 answer

javascript - If Browser is Internet Explorer: run an alternative script instead

I'm using an image carousel script that is quite heavy on the browser. It works great in Opera and Chrome, half ... what command can i use? } See Question&Answers more detail:os...

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

0 votes

458 views

1 answer

php - Symfony2: After successful login event, perform set of actions

I need to perform a set of actions after a user successfully logs in. This includes loading data from ... best approach to implementing this? 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