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c# - StaTaskScheduler and STA thread message pumping

TL;DR: A deadlock inside a task run by StaTaskScheduler. Long version: I'm using StaTaskScheduler from ... ... WM_TEST processed Press Enter to exit Question&Answers:os...

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

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javascript - looping through an object (tree) recursively

Is there a way (in jQuery or JavaScript) to loop through each object and it's children and grandchildren and so on? ... =='grand'){ //do something } loop end Question&Answers:os...

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

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c++ - Return a 2d array from a function

Hi I am a newbie to C++ I am trying to return a 2d array from a function. It is something like this int **MakeGridOfCounts( ... , {0, }, {0, }}; return cGrid; } Question&Answers:os...

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

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r - Stacked bar chart

I would like to create a stacked chart using ggplot2 and geom_bar. Here is my source data: Rank F1 F2 F3 1 500 ... Maybe my data.frame is not in a good format? Question&Answers:os...

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

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multithreading - How to start/stop/restart a thread in Java?

I am having a real hard time finding a way to start, stop, and restart a thread in Java. Specifically, I have ... "shutdown"... So, how could I accomplish this? Question&Answers:os...

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

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android - ClassNotFoundException after ADT update

I've recently updated Android SDK & Eclipse ADT plugin to latest version. Now when i try to run a pre-existing ... myapp.apk. Can someone tell me how to fix? Question&Answers:os...

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java - File loading by getClass().getResource()

I have followed the way of loading the resource file by using getClass.getResource(path). The snippet of code is ... giving error when I run from Command Line. Question&Answers:os...

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

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c++ - What is a null-terminated string?

How does it differ from std::string? Question&Answers:os...

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

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scope - What is the correct term for variable shadowing in JavaScript?

Below we have an IIFE which (like any function) creates a local scope. Inside that scope there is a ... (common) name for this? Overshadowing? Overloading? Question&Answers:os...

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c# - ASP.NET MVC $.post call returning string...need help with format for jqGrid

I'm trying to dynamically populate a dropdown for the jqGrid when the user is editing data. I have it pretty ... mentioned but haven't got that working yet. Question&Answers:os...

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

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JAVA cannot make a static reference to non-static field

this is my first program in JAVA and I'm having problem to understand this error Cannot make a static reference ... suggest? I'm coding on SandIDE on Android Question&Answers:os...

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

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Installing Pygame on 64-bit Windows 7 and 64-bit Python 2.7

The title says it all. I do see similar questions, someone suggested about http://www.lfd.uci.edu/~gohlke/ ... ] > pip install [filename]" without success. Question&Answers:os...

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.net - PhantomJS web driver stays in memory

I am instantiating the PhantomJSDriver in C# with this code: Driver = new PhantomJSDriver(); And cleaning it up ... can I kill it programmatically? Should I? Question&Answers:os...

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

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ajax and php to enter multiple forms input to database

I have a php generated form with multiple input fields the number of which is determined by user select. I would like to use an ... '$email[$i]');"; $i++; } ?> Question&Answers:os...

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

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Git push rejected after feature branch rebase

OK, I thought this was a simple git scenario, what am I missing? I have a master branch and a feature ... to lose any data, the question is more conceptual. Question&Answers:os...

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

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java - How to detect a loop in a linked list?

Say you have a linked list structure in Java. It's made up of Nodes: class Node { Node next; // some user ... picture of what a list with a loop looks like: Question&Answers:os...

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

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Pointers in C: when to use the ampersand and the asterisk?

I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * ... all of this. When should I use & and *? Question&Answers:os...

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ios - NSOperation vs Grand Central Dispatch

I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD. What ... to me so any feedback to appreciated! Question&Answers:os...

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

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database - What's wrong with foreign keys?

I remember hearing Joel Spolsky mention in podcast 014 that he'd barely ever used a foreign key (if I remember ... my first reason to actually set up one." Question&Answers:os...

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

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mysql - Create a temporary table in a SELECT statement without a separate CREATE TABLE

Is it possible to create a temporary (session only) table from a select statement without using a create table ... the column list and type list matched up. Question&Answers:os...

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architecture - Logout: GET or POST?

This question is not about when to use GET or POST in general; it is about which is the recommended one ... it alter the internal state of the application? Question&Answers:os...

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

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layout inflater - What does LayoutInflater in Android do?

What is the use of LayoutInflater in Android? Question&Answers:os...

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

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python - How can I filter lines on load in Pandas read_csv function?

How can I filter which lines of a CSV to be loaded into memory using pandas? This seems like an option ... that with a timestamp greater than a given constant. Question&Answers:os...

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

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Using JsonConvert.DeserializeObject to deserialize Json to a C# POCO class

Here is my simple User POCO class: /// <summary> /// The User class represents a Coderwall User. /// </ ... can I try to deserialize JSON into this POCO class? Question&Answers:os...

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

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jquery - Animate element transform rotate

How would I rotate an element with a jQuery's .animate()? I'm using the line below, which is currently animating the ... 'rotate(' + -amount + 'deg)' }); Question&Answers:os...

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python - Importing from builtin library when module with same name exists

Situation: - There is a module in my project_folder called calendar - I would like to use the built-in ... Any ideas without having to rename my module? Question&Answers:os...

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

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Simple PHP Post-Redirect-Get code example

I have found many sites that describes PRG, but no simple PHP code example. Here's what I implemented: The form. ... Did I goof by trying to reinvent the wheel? Question&Answers:os...

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

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How to pass a multidimensional array to a function in C and C++

#include<stdio.h> void print(int *arr[], int s1, int s2) { int i, j; for(i = 0; i<s1; i++) for(j = 0 ... it not work in C++? What change is needed to be made? Question&Answers:os...

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

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