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I previously had a post on this issue that was resolved. However since rebuilding the project with auto wired beans ... { return dataSource; } } See Question&Answers more detail:os...

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

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c# - Why check this != null?

Occasionally I like to spend some time looking at the .NET code just to see how things are implemented behind ... caught and removed by now. 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 - Set a parent shell's variable from a subshell

How do I set a variable in the parent shell, from a subshell? a=3 (a=4) echo $a See Question&Answers more detail:os...

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

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linux - How do I get monotonic time durations in python?

I want to log how long something takes in real walltime. Currently I'm doing this: startTime = time.time ... module that calls clock_gettime(). See Question&Answers more detail:os...

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

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Simulate low battery & low memory in Android

In order to generate the notifications i need to know about how to generate the low battery and low memory interrupts ... I am aware of Intents. See Question&Answers more detail:os...

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

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ruby - Group hashes by keys and sum the values

I have an array of hashes: [{"Vegetable"=>10}, {"Vegetable"=>5}, {"Dry Goods"=>3>}, ... .ingredientable.recipe_pl(recipe_percentage) end end end 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 track down cause of SIGABRT

I'm showing the code to this problem for example purposes, but really my question is: how am I supposed to ... method is the SIGABRT error. 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 - Inject TypeORM repository into NestJS service for mock data testing

There's a longish discussion about how to do this in this issue. I've experimented with a number of the ... injected repository and mock data? 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 - Hide ICS back home task switcher buttons

Just wondering how to hide the ICS back/home/etc software buttons programmatically. Just like the Youtube apps ... in Google's documentation. 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 - Drag and drop explorer files to tkinter entry widget?

I'm fairly new to Python. I'm trying to input a file name (complete with full path) to a TKinter entry ... I can do using TKinter in Python? See Question&Answers more detail:os...

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

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php - Friendship system with Laravel : Many to Many relationship

I'm trying to create a Friendship system with Laravel (I'm starting with it) but I'm blocked with relationships. ... first()->pivot->accepted; } See Question&Answers more detail:os...

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

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i have built an index in Lucene. I want without specifying a query, just to get a score (cosine similarity ... these two documents? Thank you 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 - how to read data in utf-8 format in R?

My system:win7+R-3.0.2. > Sys.getlocale() [1] "LC_COLLATE=Chinese (Simplified)_People's Republic of China. ... can not be displayed properly . 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 - Determining 3G vs Edge

I know that the reachability example allows detection of whether network is accessible via Wifi or Cell, but is there a ... is over 3G or EDGE? See Question&Answers more detail:os...

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

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.net - How to Compare Flags in C#?

I have a flag enum below. [Flags] public enum FlagTest { None = 0x0, Flag1 = 0x1, Flag2 = 0x2, Flag3 = 0x4 } ... . } How can I make this true? See Question&Answers more detail:os...

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

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Java String array: is there a size of method?

I come from a php background and in php, there is an array_size() function which tells you how many elements in ... a String[] array? 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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android - PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors

I have just started on phonegap and trying to setup first basic minimal project in eclipse. I followed through the ... type 0x0 (glSizeof,72) 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 exclude a module from a Maven reactor build?

We have a Maven 2 project with lots of modules in it. Example: <modules> <module>common</module> <module> ... t need two separate module lists? See Question&Answers more detail:os...

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

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Scala underscore - ERROR: missing parameter type for expanded function

I know there have been quite a few questions on this, but I've created a simple example that I thought ... second statement does not compile? 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 - jQuery $.cookie is not a function

I am trying to set a cookie using jQuery: $.cookie("testCookie", "hello"); alert($.cookie("testCookie")); ... a web application in MVC 4. See Question&Answers more detail:os...

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

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891 views

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java - Spring Boot Actuator without Spring Boot

I've been working on a Spring/Spring MVC application and I'm looking to add performance metrics. I've come ... being created and return 404s. 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 - OpenCV - Apply mask to a color image

How can I apply mask to a color image in latest python binding (cv2)? In previous python binding ... workaround without using boilerplate code? See Question&Answers more detail:os...

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

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dataframe - Replacing values from a column using a condition in R

I have a very basic R question but I am having a hard time trying to get the right answer. I have a data ... df[df$depth<10]<-0 Any suggestions? See Question&Answers more detail:os...

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

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x86 - Assembly Language - How to do Modulo?

Is there something like a modulo operator or instruction in x86 assembly? 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 it better to use the mapred or the mapreduce package to create a Hadoop Job?

To create MapReduce jobs you can either use the old org.apache.hadoop.mapred package or the newer org.apache. ... in the old mapred package? See Question&Answers more detail:os...

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

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261 views

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c - pthread_create and passing an integer as the last argument

I have the following functions : void *foo(void *i) { int a = (int) i; } int main() { ... as the last argument of pthread_create properly? See Question&Answers more detail:os...

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

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c++ - How to write a type trait `is_container` or `is_vector`?

Is it possible to write a type trait whose value is true for all common STL structures (e.g., vector, ... used in partial specialization: U. See Question&Answers more detail:os...

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

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Installing MySQL Python on Mac OS X

Long story short, when I write the following: sudo easy_install MySQL-python I get the error EnvironmentError: ... out to no avail. See Question&Answers more detail:os...

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

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