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json - Date query with ISODate in mongodb doesn't seem to work

I don't seem to be able to get even the most basic date query to work in MongoDB. With a document that looks something ... P.S.) > db.version() 2.4.7 Thanks! Question&Answers:os...

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

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434 views

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hashtable - Hash tables in MATLAB

Does MATLAB have any support for hash tables? Some background I am working on a problem in Matlab that requires a ... it is the best solution for my problem. Question&Answers:os...

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

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132 views

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html - How to use radio buttons in ReactJS?

I am new to ReactJS, sorry if this sounds off. I have a component that creates several table rows according to ... way, which I am totally missing? Many Thanks Question&Answers:os...

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

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Read the package name of an Android APK

I need to get the package name of an Android APK. I have tried to unzip the APK and read contents of ... How can I extract the APK's package name? Question&Answers:os...

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

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Bind service to activity in Android

I'm trying to write a simple media player that plays streaming audio using RTSP. I have a GUI-activity and ... or preferred way of dealing with this problem? Question&Answers:os...

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

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macos - pip or pip3 to install packages for Python 3?

I have a Macbook with OS X El Captain. I think that Python 2.7 comes preinstalled on it. However, I ... install packages for Python 2 instead of Python 3? Question&Answers:os...

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

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What is the function of the push / pop instructions used on registers in x86 assembly?

When reading about assembler I often come across people writing that they push a certain register of the ... processor instruction or is it more complex? Question&Answers:os...

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

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android - Programmatically update widget from activity/service/receiver

I know it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast? Question&Answers:os...

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

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angular - Property 'map' does not exist on type 'Observable<Response>'

I am trying to call an API from Angular but am getting this error: Property 'map' does not exist on type 'Observable< ... . I am using Angular 2.0.0-beta.17. Question&Answers:os...

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

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c# - DropDownList in MVC 4 with Razor

I'm trying to create a DropDownList on a razor view. Would someone help me with this? Normal HTML5 code: <select ... (listItems), "-- Select Status --" ) Question&Answers:os...

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

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ruby on rails 3 - Undefined method 'task' using Rake 0.9.0

I just updated Rake to the latest version (0.9.0.beta.4) and the rake command ends up with the following ... sferik/rails_admin.git" How can I fix this problem? Question&Answers:os...

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

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c# - How to get a list of properties with a given attribute?

I have a type, t, and I would like to get a list of the public properties that have the attribute MyAttribute. ... there...seems like it's quite a hot topic. Question&Answers:os...

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

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javascript - Get child node index

In straight up javascript (i.e., no extensions such as jQuery, etc.), is there a way to determine a child ... a better way to determine the child's index? Question&Answers:os...

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

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android - Change the color of a checked menu item in a navigation drawer

I am using the new Android Design Support library to implement a navigation drawer in my application. I ... , something cleaner would have been introduced? Question&Answers:os...

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

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ios - How do you create a Swift Date object?

How do you create a date object from a date in swift xcode. eg in javascript you would do: var day = new Date('2014-05-20'); Question&Answers:os...

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

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503 views

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html - 100% Min Height CSS layout

What's the best way to make an element of 100% minimum height across a wide range of browsers ? In particular ... between with the footer fixed to the bottom ? Question&Answers:os...

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

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182 views

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.net - How to select different app.config for several build configurations

I have a dll-type project that contains MSTest integration tests. On my machine the tests pass, and I want the same ... projects (such as Debug, Release, ...)? Question&Answers:os...

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

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208 views

1 answer

What's the fastest algorithm for sorting a linked list?

I'm curious if O(n log n) is the best a linked list can do. Question&Answers:os...

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

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505 views

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javascript - Equivalent of jQuery .hide() to set visibility: hidden

In jQuery, there are .hide() and .show() methods which sets the CSS display: none setting. Is there an equivalent ... some function like .hide() or so. Thanks. Question&Answers:os...

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

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258 views

1 answer

python - How to unzip a list of tuples into individual lists?

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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203 views

1 answer

iphone - Transparent iOS navigation bar

I'm creating an app and i've browsed on the internet and i'm wondering how they make this transparent ... make the navigation bar transparent like first image? Question&Answers:os...

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

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118 views

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java - How to dockerize maven project? and how many ways to accomplish it?

I am new to Docker, and don't know how to run a java project with maven even though I have read many ... to run the maven project in the host with Dockerfile? Question&Answers:os...

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

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276 views

1 answer

c# - Dynamically adding properties to an ExpandoObject

I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property ... , System.String); Is this easily possible? Question&Answers:os...

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

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224 views

1 answer

python - extract column value based on another column pandas dataframe

I am kind of getting stuck on extracting value of one variable conditioning on another variable. For example, the following ... , I got an object, not a string. Question&Answers:os...

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

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439 views

1 answer

jsf - Execution order of events when pressing PrimeFaces p:commandButton

I am trying to execute a JSF2 bean method and show a dialog box after completion of the ... possible to execute actionlistener and oncomplete simultaneously? Question&Answers:os...

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

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302 views

1 answer

python - How to add title to subplots in Matplotlib

I have one figure which contains many subplots. fig = plt.figure(num=None, figsize=(26, 12), dpi=80 ... Corrected typo about set_title(). Thanks Rutger Kassies Question&Answers:os...

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

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252 views

1 answer

iphone - Adding iOS UITableView HeaderView (not section header)

I want to add a table header (not section headers) like in the contacts app for example: exactly like that - a ... outside of the table. How can I do that? Question&Answers:os...

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

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83 views

1 answer

javascript - node.js shell command execution

I am still trying to grasp the finer points of how I can run a linux or windows shell command and capture ... 25 seconds and print the output log_console, 250); Question&Answers:os...

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

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