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python - How do I pipe a subprocess call to a text file?

subprocess.call(["/home/myuser/run.sh", "/tmp/ad_xml", "/tmp/video_xml"]) RIght now I have a script that I ... a text file also? (And also print, if possible) Question&Answers:os...

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

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344 views

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python - Understanding Popen.communicate

I have a script named 1st.py which creates a REPL (read-eval-print-loop): print "Something to print" while True: r ... I use p.stdout.read(), it hangs forever. Question&Answers:os...

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

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298 views

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asp.net - How do you clear your Visual Studio cache on Windows Vista?

I have a problem where my ASP.NET controls are not able to be referenced from the code behind files. I found ... I am using Visual Studio 2005 on Windows Vista. Question&Answers:os...

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

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138 views

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r - Aggregate a dataframe on a given column and display another column

I have a dataframe in R of the following form: > head(data) Group Score Info 1 1 1 a 2 1 2 b 3 1 3 c 4 2 4 d 5 2 3 ... be: Group.1 x y 1 1 3 c 2 2 4 d Any hint? Question&Answers:os...

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

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jvm - What is in Java object header?

Could you give me some information on what is exactly stored in object header? I know, that it's probably JVM ... a link to OpenJDK wiki that says it all? Question&Answers:os...

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

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javascript - How to draw an inline svg (in DOM) to a canvas?

Well, I need some help about convert .svg file/image to .png file/image... I have a .svg image displayed on ... .net/xfh7nctk/6/ ... Thanks for reading / help Question&Answers:os...

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

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java - Converting Integer to String with comma for thousands

I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646. What would be the quickest way to doing that? Question&Answers:os...

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

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python - How to put multiple statements in one line?

I wasn't sure under what title to ponder this question exactly, coding golf seems appropriate if a bit unspecific. ... except:pass in there. its a wasted line. Question&Answers:os...

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

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asp.net web api - The 'Access-Control-Allow-Origin' header contains multiple values

I'm using AngularJS $http on the client side to access an endpoint of a ASP.NET Web API application on the ... issue with AngularJS. But where is it wrong? Question&Answers:os...

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

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Callback of .animate() gets called twice jquery

Since I added some scrollTop-animation, some parts of my callback get called twice: $('html, body'). ... a workaround and especially why this is happening. Question&Answers:os...

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

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527 views

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"Line contains NULL byte" in CSV reader (Python)

I'm trying to write a program that looks at a .CSV file (input.csv) and rewrites only the rows that begin with ... people here to even to get me to this point. Question&Answers:os...

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

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xampp - how can I enable PHP Extension intl?

I am going to install Magento2 at my local server and it gives me following error notice. I am using XAMPP. When ... the program to fix this problem. Any help? Question&Answers:os...

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

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r - How to get week numbers from dates?

Looking for a function in R to convert dates into week numbers (of year) I went for week from package data. ... for (base) R functions are appreciated as well. Question&Answers:os...

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

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regex - Regular expression field validation in jQuery

In jQuery, is there a function/plugin which I can use to match a given regular expression in a string? For example ... but I haven't been able to find anything. Question&Answers:os...

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

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How do you convert a byte array to a hexadecimal string in C?

I have: uint8 buf[] = {0, 1, 10, 11}; I want to convert the byte array to a string such that I can ... : "00:01:0A:0B" Any help would be greatly appreciated. Question&Answers:os...

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

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131 views

1 answer

c++ - Converting a pointer into an integer

I am trying to adapt an existing code to a 64 bit machine. The main problem is that in one function, the ... machine and as cleanly as possible. Any idea ? Question&Answers:os...

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

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217 views

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javascript - Check if Point Is Inside A Polygon

I want to check if a point lies within a specific polygon. The polygon is: polygon= [ [-73.89632720118, 40. ... attempt is here: http://jsfiddle.net/nvNNF/2/ Question&Answers:os...

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

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1.2k views

1 answer

audio - What is the best way to merge mp3 files?

Closed. This question is off-topic. It is not currently accepting answers. Question&Answers:os...

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

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117 views

1 answer

java - Convert an integer to an array of digits

I try to convert an integer to an array. For example, 1234 to int[] arr = {1,2,3,4};. I've written a ... test.java:14) Java Result: 1 How can I fix this? Question&Answers:os...

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

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287 views

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javascript - How to upload a file using jQuery.ajax and FormData

When I use XMLHttpRequest, a file is correctly uploaded using FormData. However, when I switch to jQuery.ajax, ... file to be uploaded correctly, using AJAX? Question&Answers:os...

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

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312 views

1 answer

How to measure the tilt of the phone in XY plane using accelerometer in Android

I tried to use the Z axis data from SensorEvent.values, but it doesn't detect rotation of my phone in the ... Jump. PS: my phone orientation will be landscape. Question&Answers:os...

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

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387 views

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mysql - SQL - IF EXISTS UPDATE ELSE INSERT INTO

What I'm trying to do is INSERT subscribers in my database, but IF EXISTS it should UPDATE the row, ELSE ... I doing wrong? Any help is greatly appreciated! Question&Answers:os...

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

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221 views

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wpf - Binding Button click to a method

I have a datagrid bound to an observable collection of objects. What I want to do is have a button that will ... and I assume I'm just missing something here. Question&Answers:os...

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

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262 views

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python - How to plot multiple functions on the same figure, in Matplotlib?

How can I plot the following 3 functions (i.e. sin, cos and the addition), on the domain t, in the same figure? from numpy ... = sin(t) b = cos(t) c = a + b Question&Answers:os...

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

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python - Difference between len() and .__len__()?

Is there any difference between calling len([1,2,3]) or [1,2,3].__len__()? If there is no visible difference, what is done differently behind the scenes? Question&Answers:os...

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

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84 views

1 answer

java - Setting the Default Font of Swing Program

I was wondering how to set the default font for my entire Java swing program. From my research it appears ... it, and the UIManager appears pretty complicated. Question&Answers:os...

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

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549 views

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autowired - Why can't we autowire static fields in spring?

Why can't we autowire the static instance variable in the Spring bean. I know there is another way to achieve ... way. e.g. @Autowired public static Test test; Question&Answers:os...

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

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515 views

1 answer

Spring Hibernate - Could not obtain transaction-synchronized Session for current thread

I created an application with spring + hibernate, but I always get this error. This is my first application with ... integer not null, primary key(id) ); Question&Answers:os...

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

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