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I want to know if we can have recursive macros in C/C++? If yes, please provide a sample example. Second thing: why am ... result: "<< pr(5) <<endl; getch(); } Question&Answers:os...

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

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110 views

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html - Display PDF within web browser

How can I display a pdf within a web browser on an .html page? Question&Answers:os...

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

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301 views

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math - How to calculate the volume of a 3D mesh object the surface of which is made up triangles

I want to calculate the volume of a 3D mesh object having a surface made up triangles. Question&Answers:os...

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

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primes - isPrime Function for Python Language

So I was able to solve this problem with a little bit of help from the internet and this is what I got ... have just been introduced to programming a month ago. Question&Answers:os...

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

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164 views

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Android Facebook SDK 4 in Eclipse

Are there some way to import the new Facebook SDK for Android to Eclipse without Gradle or Maven (something like the past ... but i don't find a the way. Thanks Question&Answers:os...

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

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780 views

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jquery - How to disable anchor "jump" when loading a page?

I think this may not be possible, will try and explain as best as I can. I have a page containing tabs ( ... " from occuring. hope this is clear enough. thanks Question&Answers:os...

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

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493 views

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ios4 - Can we retrieve the applications currently running in iPhone and iPad

Can we retrieve the applications currently running in iPhone and iPad? UPDATE Can we do it in jail broken phones? Can we do it for an app for CYDIA Store? Question&Answers:os...

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

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312 views

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javascript - Get time difference between two dates in seconds

I'm trying to get a difference between two dates in seconds. The logic would be like this : set an initial date ... bothers me that I cannot get it to work :) Question&Answers:os...

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

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Run Python script without Windows console appearing

Is there any way to run a Python script in Windows XP without a command shell momentarily appearing? I often ... this? Some kind of output redirection perhaps? Question&Answers:os...

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

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path - Regex Last occurrence?

I'm trying to catch the last part after the last backslash I need the Web_ERP_Assistant (with the ) My idea was : C: ... )` But I can't find it. [Regexer Demo] Question&Answers:os...

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

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python - How do I fix PyDev "Undefined variable from import" errors?

I've got a Python project using PyDev in Eclipse, and PyDev keeps generating false errors for my code. I have a ... without a problem. How can I correct these? Question&Answers:os...

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

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What is the difference between % and %% in a cmd file?

I recently included a line similar to this in a .cmd file: for /f %%f in ('dir /b .directory*.sql') ... in the file. Just wondering what the difference is. Question&Answers:os...

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

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378 views

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HTML file input in android webview (android 4.4, kitkat)

I was using the <input type="file"> on the android webview. I got it working thanks to this thread: ... webview, or at least not the openFileChooser function. Question&Answers:os...

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

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python - Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

This is the traceback on my windows system. Traceback (most recent call last): File "D:AMDworkspacesteelrumorsmanage. ... to use registration app in Django 1.7 Question&Answers:os...

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

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android - Error:(6, 0) Gradle DSL method not found: 'google()'

/Users/Ren/Desktop/RecylerViewBaseAdapter/build.gradle Error:(6, 0) Gradle DSL method not found: 'google()' ... be missing a Gradle plugin. Apply Gradle plugin Question&Answers:os...

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

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175 views

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Library function for Permutation and Combination in C++

What's the most widely used existing library in C++ to give all the combination and permutation of k elements ... but the existing library or methods. Thanks. Question&Answers:os...

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

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244 views

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android - How to change shape color dynamically?

I have <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/ ... the color of the shape? Based on this information? Question&Answers:os...

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

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148 views

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Java: Check the date format of current string is according to required format or not

This question already has answers here: Question&Answers:os...

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

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348 views

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javascript - How to pick element inside iframe using document.getElementById

I have a iframe like this <iframe name="myframe1" id="myframe1" width="100%" height="100%" src="a.html"> < ... in several ways but I couldn't find a solution. Question&Answers:os...

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

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122 views

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c# - When should I dispose of a data context

I'm currently writing a data access layer for an application. The access layer makes extensive use of linq classes to ... every time i want to visit the db? Question&Answers:os...

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

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132 views

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php - How to check whether mod_rewrite is enable on server?

Currently I am using the hosting with lightspeed server. Hosting says mod_rewrite is enabled but I can't get my script ... .php/$1 [L,QSA] But same result. Question&Answers:os...

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

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111 views

1 answer

How to add native library to "java.library.path" with Eclipse launch (instead of overriding it)

I got a native library that needs to be added to java.library.path. With JVM argument -Djava.library.path= ... and there I can use nativelib under resources) Question&Answers:os...

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

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258 views

1 answer

.net - String.Join vs. StringBuilder: which is faster?

In a previous question about formatting a double[][] to CSV format, it was suggested that using StringBuilder would be faster than String.Join. Is this true? Question&Answers:os...

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

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386 views

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python - Why is numpy's einsum faster than numpy's built in functions?

Lets start with three arrays of dtype=np.double. Timings are performed on a intel CPU using numpy 1.7.1 ... not everyone observes the same trends in timings. Question&Answers:os...

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

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122 views

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c# - Rendering partial view on button click in ASP.NET MVC

The problem I will be describing is very similar to ones I already found (e.g. this post with nearly identical ... inside a specific div on the client side? Question&Answers:os...

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

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161 views

1 answer

c# - How to force garbage collector to run?

Interviewer asked me about this today ...is there an answer ? Question&Answers:os...

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

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102 views

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java - How to return multiple values?

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

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139 views

1 answer

ios - How can I detect if an external keyboard is present on an iPad?

Is there a way to detect if an external (bluetooth or usb) keyboard is connected to the iPad? Question&Answers:os...

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

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