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python - How can I efficiently process a numpy array in blocks similar to Matlab's blkproc (blockproc) function

I'm looking for a good approach for efficiently dividing an image into small regions, processing each region separately, ... np.all(R==Rprime) See Question&Answers more detail:os...

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

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Is Java Regex Thread Safe?

I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern. This ... regex in java thread safe? See Question&Answers more detail:os...

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

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android - Cannot catch toolbar home button click event

I've implemented the newest appcompat library and using the Toolbar as action bar. But the problem is I cannot ... still doesn't get called. See Question&Answers more detail:os...

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

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spring - ApplicationContextException: Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean

I have written a spring batch application using Spring boot. When I am trying to run that application ... bb.StartSpringBatch > somelogs.log See Question&Answers more detail:os...

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

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github - git - how to get default branch?

My team alternates between usage of dev and master as default branch for several repos and I would like to ... branch for remote repository? 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 - No AVPlayer Delegate? How to track when song finished playing? Objective C iPhone development

I've looked around but I can't find a delegate protocol for the AVPlayer class. What gives? I'm using ... after the [audioPlayer play] action. See Question&Answers more detail:os...

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

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android - Kotlin: Whats does "return@" mean?

I'm using RxJava in one of my projects, I converted one of my classes to Kotlin using the Android Studio ... (DeleteArticleJob.TAG, it) }) See Question&Answers more detail:os...

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

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android - Month name as a string

I'm trying to return the name of the month as a String, for instance "May", "September", "November". I tried: ... How can I get the month name? See Question&Answers more detail:os...

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

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bash - Using the && operator in an if statement

I have three variables: VAR1="file1" VAR2="file2" VAR3="file3" How to use and (&&) operator in if statement ... error. What is the right way? See Question&Answers more detail:os...

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

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python catch exception and continue try block

Can I return to executing try-block after exception occurs? (The goal is to write less) For Example: try: ... if there was exception in do_smth1 See Question&Answers more detail:os...

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

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Passing a variable from one php include file to another: global vs. not

I'm trying to pass a variable from one include file to another. This is NOT working unless I declare the variable ... to one vs. the other? See Question&Answers more detail:os...

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

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How to set a global http timeout in AngularJs

I know I can set a timeout each and every time: $http.get('path/to/service', {timeout: 5000}); ... but ... global timeout to keep my code DRY. See Question&Answers more detail:os...

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

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python - Generating Discrete random variables with specified weights using SciPy or NumPy

I am looking for a simple function that can generate an array of specified random values based on their ... above "shape" statement? See Question&Answers more detail:os...

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

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Reporting Services export to Excel with Multiple Worksheets

I'm currently building a MS Reporting Services Report that gets rendered to excel. I'm trying to figure out how ... is done? Thanks in advance! See Question&Answers more detail:os...

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

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sort json object in javascript

For example with have this code: var json = { "user1" : { "id" : 3 }, "user2" : { "id" : 6 }, " ... don't know how to do this in javascript.. See Question&Answers more detail:os...

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

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com - Windows 64-bit registry v.s. 32-bit registry

I heard on Windows x64 architecture, in order to support to run both x86 and x64 application, there is two ... found any valuable information.) See Question&Answers more detail:os...

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

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iphone - How to get the pixel color on touch?

I know this is a common question and there are a lot of answers of this question. I've used some of ... help will be very much appreciated. See Question&Answers more detail:os...

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

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iphone - Observing pinch multi-touch gestures in a UITableView

I am looking to implement a pinch in/out on top of a UITableView, I have looked at several methods ... , touchesMoved, and touchesEnded events. See Question&Answers more detail:os...

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

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android - How can I update my ADT in Eclipse?

I have tried to update my Eclipse. Currently I have till 2.2 Android SDK in my Eclipse. Yesterday I have ... update ADT to the latest version. See Question&Answers more detail:os...

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

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Conditional with statement in Python

Is there a way to begin a block of code with a with statement, but conditionally? Something like: if ... of course give indentation errors.. See Question&Answers more detail:os...

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

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javascript - How to set a header for a HTTP GET request, and trigger file download?

Update 20140702: The solution Detailed answer as a blog post (but I'm marking one of the other answers as accepted ... it? edit: fix broken link 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 mvc - Support for optgroup in dropdownlist .NET MVC?

Continuing on from this question programmatically creating a drop down list I would like my list to have several ... </optgroup> </option> See Question&Answers more detail:os...

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

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utf 8 - Getting â€? instead of an apostrophe(') in PHP

I've tried converting the text to or from utf8, which didn't seem to help. I'm getting: "Ita€?s Getting ... m getting this data from this url. See Question&Answers more detail:os...

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

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assembly - Why GCC compiled C program needs .eh_frame section?

Test is on 32 bit x86 Linux with gcc 4.6.3 When using gcc to compile a C program and using readelf to ... inside ELF compiled from C program? See Question&Answers more detail:os...

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

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Android WebView inside ScrollView scrolls only scrollview

In my app I have a ScrollView that contains some linearviews, some textviews and One Webview, then other linear ... TextView /> </ScrollView > See Question&Answers more detail:os...

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

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python - Populate a Pandas SparseDataFrame from a SciPy Sparse Matrix

I noticed Pandas now has support for Sparse Matrices and Arrays. Currently, I create DataFrame()s like this: ... kills RAM badly. Thanks! See Question&Answers more detail:os...

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

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Running Apache Hadoop 2.1.0 on Windows

I am new to Hadoop and have run into problems trying to run it on my Windows 7 machine. Particularly I am ... dlls are in 'bin' folder) See Question&Answers more detail:os...

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

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objective c - How to detect if a video file was recorded in portrait orientation, or landscape in iOS

I am using AlAssetsGroup enumerateAssetsAtIndexes to list the assets in the Photos (Camera) app. For a given video ... native way to do this? See Question&Answers more detail:os...

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

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