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I have been stuck with this for a while and don't seem to get around this. I am trying to read the contents of ... as well, but I get null back. See Question&Answers more detail:os...

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android - Dividing two integers in Java gives me 0 or 100?

I'm trying to divide two integers and multiply by 100 but it keeps giving only 0 or 100. Can someone help me? ... . How can I fix this? Thanks See Question&Answers more detail:os...

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websocket - Can i use firebase cloud messaging without notification permission? (Javascript)

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python - Returning tuple with a single item from a function

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

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string - Do I need to escape backslashes in PHP?

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matplotlib using twinx and twiny together (like twinxy)

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Can I use #include "pch.h" instead of #include "stdafx.h" as my precompile header in Visual Studio C++?

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mysql - How can "set timestamp" be a slow query?

My slow query log is full of entries like the following: # Query_time: 1.016361 Lock_time: 0.000000 Rows_sent: 0 ... ideas of how to fix this? See Question&Answers more detail:os...

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python - What to consider before subclassing list?

I was recently going over a coding problem I was having and someone looking at the code said that subclassing ... subclassing list in Python? See Question&Answers more detail:os...

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c# - how to get newtonsoft to deserialize yes and no to boolean

NOTE: I have provided the solution at the bottom of this feed. I have a C# Win 8 app where I'm de ... primitive type like bool. Any suggestions? See Question&Answers more detail:os...

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c# - How to Deserialize an JSON object with invalid field name in it

I have a JSON request which has follwing structure: "formats": { "flash_embed": "http://a3.vikiassets.com/assets/vikiplayer ... { get; set; } } See Question&Answers more detail:os...

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java - Multiple .class files generated for a class?

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popupwindow - Android popup window not filling screen size?

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string - Case insensitive matching in Java switch-case statement

I was wondering if there is a way to perform case insensitive match in java switch case statement. the default ... was unable to do so. See Question&Answers more detail:os...

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sql - MySql using correct syntax for the over clause

What is the correct syntax to get the over clause to work in mysql? I would like to see the total sms ... , userTable WHERE userId = sentUserId; See Question&Answers more detail:os...

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python - Adding a field to a structured numpy array (2)

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c# - Why is array co-variance considered so horrible?

In .NET reference type arrays are co-variant. This is considered a mistake. However, I don't see why this ... through the provided means above? See Question&Answers more detail:os...

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php - Order By before Group By using Eloquent (Laravel)

I have a "messages" table with the following columns CREATE TABLE `messages` ( `id` int(11) NOT NULL ... ('fromId') ->paginate(10) See Question&Answers more detail:os...

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methods - java.lang.NullPointerException with boolean

I wrote a realy simple code based on another question and here it is: It throws me an error java.lang. ... println(bool(false)); } } See Question&Answers more detail:os...

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uac - How to prevent Vista from requiring elevation on patch.exe?

[I'm sorry that this isn't directly a programming question. But I have recently switched to a new Vista machine ... an hour on this so far. See Question&Answers more detail:os...

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string formatting - print variable-name in Matlab

I have a function in Matlab that has some variables in it. I need to print out the variable_names (in case of an ... 1 2 ; 3 4!) Thanks! See Question&Answers more detail:os...

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bash - Exclude a string from wildcard search in a shell

I am trying to exclude a certain string from a file search. Suppose I have a list of files: file_Michael.txt, ... do it with a string? Sebastian See Question&Answers more detail:os...

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c# - How to create XmlElement attributes with prefix?

I need to be able to define an attribute with a prefix in a xml element. For instance... <nc:Person s: ... I define an attribute with prefix? See Question&Answers more detail:os...

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html - Is it possible to use CSS vars in CSS3 selectors?

I'm trying some experiments with CSS vars, and I couldn't get this to work or find any documentation about it. Does anyone ... > <li></li> </ul> See Question&Answers more detail:os...

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JavaScript/jQuery event listener on image load IE issues

I am looking for a way to implement this for as many browsers as possible: var image = new Image(); image. ... this to work in IE too? See Question&Answers more detail:os...

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How to dynamically populate Android spinner with text + image

This is what i am trying to achieve I am able to achieve this much: I was able to add text and image to ... [position]); return convertView; } } See Question&Answers more detail:os...

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

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