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node.js - Mongoose Trying to open unclosed connection

This is a simplified version of the problem, but basically I'm trying to open 2 mongodb connections ... .com/questions/15712226/mongoose-trying-to-open-unclosed-connection...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to get the current running module path/name

I've searched and this seems to be a simple question without a simple answer. I have the file a/b/c.py ... .com/questions/5183601/how-to-get-the-current-running-module-path-name...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - What is the fastest way to find the closest point to a given point?

What is the fastest way to find closest point to the given point in data array? For example, suppose I have an array ... -the-fastest-way-to-find-the-closest-point-to-a-given-point...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Form constructor vs Form_Load

(This question already has answers here): question from:https://stackoverflow.com/questions/2623808/form-constructor-vs-form-load...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Check for duplicate values in Pandas dataframe column

Is there a way in pandas to check if a dataframe column has duplicate values, without actually dropping ... /50242968/check-for-duplicate-values-in-pandas-dataframe-column...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Cannot open Windows.h in Microsoft Visual Studio

First of all: I'm using Microsoft Visual Studio 2012 I am a C#/Java developer and I am now trying to ... .com/questions/12748896/cannot-open-windows-h-in-microsoft-visual-studio...

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python - Difference between np.int, np.int_, int, and np.int_t in cython?

I am a bit struggled with so many int data types in cython. np.int, np.int_, np.int_t, int I guess int in pure ... /difference-between-np-int-np-int-int-and-np-int-t-in-cython...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Keeping a global reference to the JNIEnv environment

I am storing off JNIEnv in a global so I can call static java methods later. But is it nessasary to ... com/questions/12420463/keeping-a-global-reference-to-the-jnienv-environment...

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ios - NSTimeZone: Any difference between "UTC" and "GMT"?

Are these five statements interchangeable, or is anyone aware of cases where their use would yield different ... /questions/14947213/nstimezone-any-difference-between-utc-and-gmt...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html parsing - xpath find node that does not contain child

I'm trying to create some xpath that will find all a tags that do not contain img tags, so that something ... .com/questions/5464272/xpath-find-node-that-does-not-contain-child...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Is it possible to initialize slice with specific values?

Is it possible to initialize an slice with all 1's like in python? PYTHON: onesArray = np.ones(5) ... /questions/39984957/is-it-possible-to-initialize-slice-with-specific-values...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Lambdas in the classical Operation enum example

As many of you may know, there is a classical example of the Operation enum (using Java 8 standard ... .com/questions/23361418/lambdas-in-the-classical-operation-enum-example...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Is GMT same as UTC?

(This question already has answers here): question from:https://stackoverflow.com/questions/14986043/is-gmt-same-as-utc...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert byte[] to Base64 string for data URI

I know this has probably been asked 10000 times, however, I can't seem to find a straight answer to the ... .com/questions/4838464/convert-byte-to-base64-string-for-data-uri...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to parse a JSON and turn its values into an Array?

public static void parseProfilesJson(String the_json){ try { JSONObject myjson = new JSONObject(the_json); JSONArray nameArray = ... parse-a-json-and-turn-its-values-into-an-array...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql - Why do I need to use foreign key if I can use WHERE?

A beginners' question about foreign key in MySQL. In w3school it says, A FOREIGN KEY in one table points to a PRIMARY KEY in ... why-do-i-need-to-use-foreign-key-if-i-can-use-where...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to pass a variable to an exception when raised and retrieve it when excepted?

Right now I just have a blank exception class. I was wondering how I can give it a variable when it gets ... a-variable-to-an-exception-when-raised-and-retrieve-it-when-excepted...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Get last value inserted into a Set

The MDN documentation for Set says that JavaScript Set objects retain insertion order of elements: Set objects are ... com/questions/34583643/get-last-value-inserted-into-a-set...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Data Compression Algorithms

I was wondering if anyone has a list of data compression algorithms. I know basically nothing about ... :https://stackoverflow.com/questions/16469410/data-compression-algorithms...

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restructuredtext - How to do a link to a file in rst with sphinx?

I am writing a documentation and I would like to include links to pdf files or zip archives. How can I achieve that using ... /how-to-do-a-link-to-a-file-in-rst-with-sphinx...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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unit testing - Mechanism to check if a C++ member is private

I am writing unit tests for undergraduate students and want to enforce certain members as public or private. I am ... /64095320/mechanism-to-check-if-a-c-member-is-private...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to access TestRunParameters within RunSettings file

Reading through https://msdn.microsoft.com/en-us/library/jj635153.aspx I have created a .RunSettings ... questions/31707415/how-to-access-testrunparameters-within-runsettings-file...

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.net - VS 2015. Setting right target framework for ASP.NET 5 web project

I've created new ASP.NET 5 MVC project in Visual Studio 2015. On project creation wizard I've chosen to show ... vs-2015-setting-right-target-framework-for-asp-net-5-web-project...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - Docker apt-get update fails

Can somebody help me get apt-get working in my docker container? Whenever I try running any apt-get command ... ://stackoverflow.com/questions/24832972/docker-apt-get-update-fails...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Using an environment variable in a PSQL script

Is it possible to use a Linux environment variable inside a .sql file? I'm using the copy/select query to ... .com/questions/18725880/using-an-environment-variable-in-a-psql-script...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Many hash iterations: append salt every time?

I have used unsalted md5/sha1 for long time, but as this method isn't really secure (and is getting ... .com/questions/3559437/many-hash-iterations-append-salt-every-time...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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kubernetes - Helm how to define .Release.Name value

I have created basic helm template using helm create command. While checking the template for Ingress its adding ... com/questions/51718202/helm-how-to-define-release-name-value...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I find out who force pushed in git?

Someone used git push --force but I can't tell who did it from the logs. Is there a way to identify the ... com/questions/15028246/how-can-i-find-out-who-force-pushed-in-git...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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