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datetime - Javascript show milliseconds as days:hours:mins without seconds

I'm calculating the difference between 2 dates for which there are many differing examples available. The time ... into days.hours:minutes. See Question&Answers more detail:os...

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c - How to dynamically allocate a contiguous block of memory for a 2D array

If I allocate a 2D array like this int a[N][N]; it will allocate a contiguous block of memory. But if I try ... , is there another way to do it? See Question&Answers more detail:os...

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python - RuntimeError: working outside of application context

app.py from flask import Flask, render_template, request,jsonify,json,g import mysql.connector app = Flask(__name__ ... calling 'input_info()' See Question&Answers more detail:os...

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

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ios - How to keep a round imageView round using auto layout?

How do I turn a rectangular image view into a circular image view that can hold shape in auto layout without ... for equal height to superview. See Question&Answers more detail:os...

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api - Yii2 REST query

Hy. I have a ProductController which extends the yii estActiveController. Question is that how can i make querys ... products with name iphone. See Question&Answers more detail:os...

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objective c - Core Data Predicate Date Comparison

Im trying to fetch all the objects in an entity matching a user selectedDate (it's an NSDate). The Core Data ... (eDate = %@)", selectedDate]; See Question&Answers more detail:os...

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oop - Is it bad practice for a class to have only static fields and methods?

I have a class that consists only of static member variables and static methods. Essentially, it is serving ... variables and static methods? See Question&Answers more detail:os...

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java - Divide elements on groups in RecyclerView or Grouping Recyclerview items ,say by date

i want to group my android RecyclerView items with a header made based on date like this: 1 week ago - ... or grouping based on some element. See Question&Answers more detail:os...

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php - How do I install soap extension?

How do I install Soap? I got this error: Fatal error: Class 'SoapClient' not found in /home/user/mysite.com ... php_soap.dll is not found there. See Question&Answers more detail:os...

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PHP : binary image data, checking the image type

I have some images in bin, I want to check the header to check the format (jpg, png, etc) I don't want ... I have a solution using TEMP FILES. See Question&Answers more detail:os...

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optional parameters in SQL Server stored proc?

I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is ... is available here. Thanks! See Question&Answers more detail:os...

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c# - Check if all items are the same in a List

I have a List(Of DateTime) items. How can I check if all the items are the same with a LINQ query? At any ... or 100 items in the list. Thanks See Question&Answers more detail:os...

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xcode - Receive message "A signed resource has been added, modified, or deleted" when trying to debug an App on iPhone

While attempting to debug a build created using the 3.2 SDK on an iPhone device I receive the message "A ... to what might be causing this? See Question&Answers more detail:os...

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What is the interface for ARM system calls and where is it defined in the Linux kernel?

I have read about system calls in Linux, and everywhere description is given regarding x86 architecture (0x80 ... .S (explanation needed) See Question&Answers more detail:os...

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javascript - Why is JSHINT complaining that this is a strict violation?

I think this may be a duplicate of Strict Violation using this keyword and revealing module pattern I have this ... considered to be bad style? See Question&Answers more detail:os...

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javascript - jquery select iframe children

I am using the editArea library and jquery to do what i need... http://www.cdolivet.com/index.php? ... textarea keydown any ideas? Thanks See Question&Answers more detail:os...

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In R, what exactly is the problem with having variables with the same name as base R functions?

It seems to be generally considered poor programming practise to use variable names that have functions in base R with ... as base R function? See Question&Answers more detail:os...

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python - Replace and overwrite instead of appending

I have the following code: import re #open the xml file for reading: file = open('path/test.xml','r+') ... old stuff and only keep the new? See Question&Answers more detail:os...

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

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asp.net - Accessing parent data in nested repeater, in the HeaderTemplate

Simple question, not sure there's a simple answer! So here's the code: (I've simplified it a lot to ... the DataItem in the parent repeater? See Question&Answers more detail:os...

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swing - Java: using an image as a button

I would like to use an image as a button in Java, and I tried to do this: BufferedImage buttonIcon = ImageIO.read ... button, how can I do this? See Question&Answers more detail:os...

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Setting up a websocket on Apache?

So I'm doing some research on websockets, and I have a few questions I can't seem to find a definitive ... request method for a web socket? See Question&Answers more detail:os...

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c++ - friend class with limited access

I want to make a class A friend class of class B. I want to do this as these interact very much and A ... access at all in this case. Thanks See Question&Answers more detail:os...

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objective c - Detect screen on/off from iOS service

I am developing a network monitor app that runs in background as a service. Is it possible to get a ... password protection) on the device. See Question&Answers more detail:os...

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python - Polar contour plot in matplotlib - best (modern) way to do it?

Update: I've done a full write-up of the way I found to do this on my blog at http://blog.rtwilson.com/ ... Is there a better way to do this? See Question&Answers more detail:os...

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How to use global variables in React Native?

In React Native I want to use global variables when I am moving between different screens Can anyone help me how to achieve it? See Question&Answers more detail:os...

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How to use default Android drawables

What is the best approach when using default Android drawables? Should I use android.R.drawable or should I copy ... bitmaps for version 1.6. See Question&Answers more detail:os...

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c# - How to Compare two objects in unit test?

public class Student { public string Name { get; set; } public int ID { get; set; } } ... var st1 ... How to Compare two collection in Unitest? See Question&Answers more detail:os...

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Difference between & and && in PHP

I am confused with & and &&. I have two PHP books. One says that they are same, but the another says they ... same as well. Aren't they same? See Question&Answers more detail:os...

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