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video - Fetching the dimensions of a H264Video stream

I am trying to fetch the dimensions (Height and width) from a H264 stream. I know that to fetch the same ... for H264? Would appreciate any help I get.. Question&Answers:os...

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

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424 views

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asp.net - "Parser Error Message: Could not load type" in Global.asax

I'm working on an MVC3 project and receive the following error: Parser Error Message: Could not load type ' ... any ideas or a solution to this error? Question&Answers:os...

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

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322 views

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excel - How to get the path of current worksheet in VBA?

I wrote a macro as an add-in, and I need to get the path of the current worksheet on which it is being ... do I get the file path (just the directory)? Question&Answers:os...

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

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223 views

1 answer

git - How do .gitignore exclusion rules actually work?

I'm trying to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it ... /bash3 and git-1.7.1 on Ubuntu/bash3. Question&Answers:os...

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

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html - Redirect website after specified amount of time

What do I have to do to have a function on a website where it says it will redirect you to the site in 3 seconds or so? Question&Answers:os...

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

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364 views

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objective c - #import using angle brackets < > and quote marks " "

I'm wondering what decides whether you're allowed to use <Header.h> or "Header.h" when you're importing files in ... no such thing as a package in Objective-C. Question&Answers:os...

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

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541 views

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android - CardView Corner Radius

Is there a way to make CardView only have corner radius at the top? <android.support.v7.widget. ... layout_height="wrap_content" app:cardCornerRadius="10dp" > Question&Answers:os...

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

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How to join two JavaScript Objects, without using JQUERY

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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python - IOError: [Errno 32] Broken pipe when piping: `prog.py | othercmd`

I have a very simple Python 3 script: f1 = open('a.txt', 'r') print(f1.readlines()) f2 = open('b. ... then my command to run would be: open.py | othercommand Question&Answers:os...

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

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unicode - Get a list of all the encodings Python can encode to

I am writing a script that will try encoding bytes into many different encodings in Python 2.6. Is ... .encode(encoding1).decode(encoding2) except: pass Question&Answers:os...

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

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sqlite - How to recover a corrupt SQLite3 database?

This is a follow up question to a previously answered post: Is there a command line utility for validating ... potential loss of some corrupt records? Thanks Question&Answers:os...

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

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73 views

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How do I convert a property in MongoDB from text to date type?

In MongoDB, I have a document with a field called "ClockInTime" that was imported from CSV as a string. What ... these text based values to a date datatype? Question&Answers:os...

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

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caching - Is there an API to force Facebook to scrape a page again?

I'm aware you can force update a page's cache by entering the URL on Facebook's debugger tool while been logged in ... up as soon as we change it on our side. Question&Answers:os...

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

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1.1k views

1 answer

reflection - Generating a class from string and instantiating it in Scala 2.10

In Scala 2.10 how do I generate a class from string (probably, using the Toolbox api) later to be instantiated with Scala's reflection? Question&Answers:os...

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

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351 views

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python - Concatenate a list of pandas dataframes together

I have a list of Pandas dataframes that I would like to combine into one Pandas dataframe. I am using ... using the chunksize option would be very helpful. Question&Answers:os...

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

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94 views

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java - Why static fields are not initialized in time?

The following code prints null once. class MyClass { private static MyClass myClass = new MyClass(); private static final ... the first is a MyClass field.. :/ Question&Answers:os...

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

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400 views

1 answer

ios - Retrieving Carrier Name from iPhone programmatically

Is there a way to know the cell carrier on an iPhone programmatically? I am looking for the carrier name which the iPhone is connected to. Question&Answers:os...

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

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280 views

1 answer

android - How to set default app launcher programmatically?

I am creating a launcher (kiosk) app that will be downloadable through google. When first installing this ... app launcher programmatically. Thanks in advance! Question&Answers:os...

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

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420 views

1 answer

ios - How to get Wifi SSID in iOS9 after CaptiveNetwork is deprecated and calls for Wifi name are already blocked

Until today I used the CaptiveNetwork Interface to display the name of the currently connected Wifi. The iOS 9 Prerelease ... wifiName = info[@"SSID"]; } } Question&Answers:os...

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

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371 views

1 answer

ruby on rails - How to determine if one array contains all elements of another array

Given: a1 = [5, 1, 6, 14, 2, 8] I would like to determine if it contains all elements of: a2 = [2, 6, 15 ... ?(x) }.nil? Is there a better, more readable, way? Question&Answers:os...

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

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126 views

1 answer

c# - How to check a input IP fall in a specific IP range

If we let users input a couple of ip ranges, e.g., 172.16.11.5 - 100, how could I write a function ... ? Is there any existing library in .NET to leverage? Question&Answers:os...

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

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179 views

1 answer

Meaning of - <?xml version="1.0" encoding="utf-8"?>

I am new to XML and I am trying to understand the basics. I read the line below in "Learning XML", but ... what about the encoding part? Why is that necessary? Question&Answers:os...

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

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174 views

1 answer

How do I tell CMake to link in a static library in the source directory?

I have a small project with a Makefile which I'm trying to convert to CMake, mostly just to get experience with CMake. ... Linux (Kubuntu 12.04) with GCC 4.6.3 Question&Answers:os...

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

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100 views

1 answer

How to add hours to current time in python

I am able to get the current time as below: from datetime import datetime str(datetime.now())[11:19] Result '19 ... can I add hours to current time in Python? Question&Answers:os...

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

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334 views

1 answer

Executing a command stored in a variable from PowerShell

I have a command that I have build and stored in a variable in PowerShell. This command works ... -at-web1-100827.zip c:inetpublogslogfilesw3svc1u_ex100827.log Question&Answers:os...

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

0 votes

226 views

1 answer

javascript - Getting an absolute URL from a relative one. (IE6 issue)

I'm currently using the following function to 'convert' a relative URL to an absolute one: function qualifyURL(url) ... create a mammoth of a regex'y solution?? Question&Answers:os...

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

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69 views

1 answer

How can I restrict Django's GenericForeignKey to a list of models?

Is there a way of telling django that a model having a contenttypes GenericForeignKey can only point to models ... & B are allowed for the GenericForeignKey? Question&Answers:os...

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

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181 views

1 answer

c++ - Writing Universal memoization function in C++11

Looking for a way to implement a universal generic memoization function which will take a function and return the memoized ... using the new features of C++11? Question&Answers:os...

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

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