phase | 易学教程

Executing a specific Maven phase

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问题 Is there any way to execute a specific phase in a maven build. For example, if I only want to run those plug-ins that execute in the pre-integration-phase, does Maven provide a means to do that? e.g. mvn pre-integration-phase 回答1: You can't call the life-cycle-phase itself but you can call the goals of the plugins which are bound to the life-cycle-phases. mvn compile:testCompile mvn failsafe:integration-test but usually this shouldn't be needed... 回答2: No. You'd have to run the plugins

translation/rotation through phase correlation in python

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I have two pictures, one that was the original and another one that I have modified so that it's translated up and left a bit and then rotated 90 degrees (so the shape of the picture is transposed as well). Now I'd like to determine how many pixels (or any distance unit) the modified picture is translated from the original, as well as the degrees of rotation relative to the original. Phase correlation is supposed to solve this problem by first converting the coordinates to logpolar coordinates, then doing a number of things so that in the end you get a correlation matrix. From that matrix I'm

JSF: why is empty test in rendered invoked during apply request values phase during form submission under request scoped POST REDIRECT GET

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This question is spawned from the partial answer to JSF2: why does empty test in rendered of panelGroup in composite prevent action from being called? In the following an Element is an @Entity with a name and id. A view.xhtml JSF page takes the id as a viewParam and uses setID(Long id) of the @ManagedBean @RequestScoped ElementController to trigger loading of the corresponding Element by id from database (that plays no further role in the question) and this found Element is set as the 'current' Element available (for historical reasons by a slightly different name) as Element getSelected().

How can I preserve subgroups when changing role to public in Copy Headers build phase in XCode?

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问题 currently, the hierarchy is flattened out, and all the headers files are copied into a single Headers directory, no matter what subfolder they were in, in my Classes folder. This is a problem when referencing the headers, if the headers have "include" statements that reference other headers in subfolders. in particular, this screws up BridgeSupport compilation. 回答1: My understanding is the Copy Headers behavior always flattens the file structure. You can either add a custom file copy or a

Finding the phase of each harmonics using fft

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问题 I use Matlab. I have a sinusoidal signal : X (amp:220/ Freq:50) to which I add 3 harmonics : x1 => (h2) amp:30 / Freq:100 / phase:30° x2 => (h4) amp:10 / Freq:200 / phase:50° x3 => (h6) amp:05 / Freq:300 / phase:90° I sum all the signals together (like X containing 3 harmonics), the resulting signal is called : Xt Here is the code : %% Original signal X = 220.*sin(2 .* pi .* 50 .* t); %% Harmonics x1 = 30.*sin(2 .* pi .* 100 .* t + 30); x2 = 10.*sin(2 .* pi .* 200 .* t + 50); x3 = 05.*sin(2 .

Change phase of a signal in frequency domain (MatLab)

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I posted this question on dsp.stackexchange, and was informed that it was more relevant for stackoverflow as it is primarily a programming question: I am attempting to write a code which allows me to change the phase of a signal in the frequency domain. However, my output isn't exactly correct, so something must be wrong. For a simple example assume that we have the function y = sin(2*pi*t) and want to implement a phase shift of -pi/2. My code looks as follows: clear all close all N = 64; %number of samples fs = 10; %sampling frequency ts = 1/fs; %sample interval tmax = (N-1)*ts; t = 0:ts:tmax

How can I preserve subgroups when changing role to public in Copy Headers build phase in XCode?

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currently, the hierarchy is flattened out, and all the headers files are copied into a single Headers directory, no matter what subfolder they were in, in my Classes folder. This is a problem when referencing the headers, if the headers have "include" statements that reference other headers in subfolders. in particular, this screws up BridgeSupport compilation. My understanding is the Copy Headers behavior always flattens the file structure. You can either add a custom file copy or a custom script at the end of the process that copies (cp -r) the headers from their original location to your

Plotting the magnitude and phase spectra of a wav file in the range of -fs/2 to fs/2

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问题 I'm having problems plotting the FFT of a wav file. I managed to plot the magnitude and phase spectrums of the signal, however I need to repeat this in range -fs/2:fs/2 . %read sound files %'y' is the vector holding the original samples & 'fs' refers to the sampling frequency [y,fs] = wavread('handel.wav'); ydft = fft(y); %fft to transform the original signal into frequency domain n = length (y); %length of the original signal % y has even length ydft = ydft(1:length(y)/2+1); % create a

Maven String Replace of Text Web Resources

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问题 I have a Maven web application with text files in src/main/webapp/textfilesdir As I understand it, during the package phase this textfilesdir directory will be copied into the target/project-1.0-SNAPSHOT directory, which is then zipped up into a target/project-1.0-SNAPSHOT.war Problem Now, I need to do a string replacement on the contents of the text files in target/project-1.0-SNAPSHOT/textfilesdir. This must then be done after the textfilesdir is copied into target/project-1.0-SNAPSHOT, but

How can I execute several maven plugins within a single phase and set their respective execution order?

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问题 I would like to breakup certain phases in the maven life cycle into sub phases. I would like to control the execution flow from one sub-phase to another, sort of like with ant dependencies. For example, I would like to use the NSIS plugin in order to package up my project into an installer at the package stage, AFTER my project had been packaged into a war file. I would like to do all that at the package phase. Is that possible? Thanks 回答1: Plugins bound to the same phase should be executed