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ruby - Is there a way to initialize an object through a hash?

If I have this class: class A attr_accessor :b,:c,:d end and this code: a = A.new h = {"b"=>10,"c ... .com/questions/1572660/is-there-a-way-to-initialize-an-object-through-a-hash...

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

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python - How do I get the current value of a Variable?

Suppose we have a variable: x = tf.Variable(...) This variable can be updated during the training process using the ... /33679382/how-do-i-get-the-current-value-of-a-variable...

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

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c# - Why is an ExpandoObject breaking code that otherwise works just fine?

Here's the setup: I have an Open Source project called Massive and I'm slinging around dynamics as a way ... /why-is-an-expandoobject-breaking-code-that-otherwise-works-just-fine...

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

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Parse a csv using awk and ignoring commas inside a field

I have a csv file where each row defines a room in a given building. Along with room, each row has a floor ... /4205431/parse-a-csv-using-awk-and-ignoring-commas-inside-a-field...

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

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nginx: redirect everything from http to https, except one url-pattern

I have a website which should only be reachable over HTTPS except one URL-pattern (because I have on some ... nginx-redirect-everything-from-http-to-https-except-one-url-pattern...

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

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c# - Configuring Dbcontext as Transient

In ASP.NET Core / EntityFramework Core, the services.AddDbContext<> method will add the specified ... //stackoverflow.com/questions/41923804/configuring-dbcontext-as-transient...

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

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linux - How to get exit status of a shell command used in GNU Makefile?

I have a makefile rule in while I am executing a linux tool. I need to check the exit status of the tool command, ... how-to-get-exit-status-of-a-shell-command-used-in-gnu-makefile...

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

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list of schema with sizes (relative and absolute) in a PostgreSQL database

I'm looking for a query that returns a result of the form for any database (see example below supposing ... of-schema-with-sizes-relative-and-absolute-in-a-postgresql-database...

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

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Convert Array to List in Kotlin

I try to do this with (same as java) val disabledNos = intArrayOf(1, 2, 3, 4) var integers = Arrays ... https://stackoverflow.com/questions/46662513/convert-array-to-list-in-kotlin...

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

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C# Enum - How to Compare Value

How can I compare the value of this enum public enum AccountType { Retailer = 1, Customer = 2, Manager = ... /stackoverflow.com/questions/19537083/c-sharp-enum-how-to-compare-value...

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

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concurrency - Priority in Go select statement workaround

I wish to have a go routine listening on two channels, blocked when both channels are drained. However ... .com/questions/11117382/priority-in-go-select-statement-workaround...

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

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refactoring - What can you do to a legacy codebase that will have the greatest impact on improving the quality?

As you work in a legacy codebase what will have the greatest impact over time that will improve the quality of the ... a-legacy-codebase-that-will-have-the-greatest-impact-on-impro...

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

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c++ - Why not always assign return values to const reference?

Let's say I have some function: Foo GetFoo(..) { ... } Assume that we neither know how this ... com/questions/37649236/why-not-always-assign-return-values-to-const-reference...

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

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java - Findbugs issue with "Boxing/unboxing to parse a primitive" with Integer.valueOf(String)

I have this piece of code: public void someMethod(String id) { someOtherMethod(Integer.valueOf(id)); } public ... -with-boxing-unboxing-to-parse-a-primitive-with-integer-valueof...

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

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java - How do I set the classpath in NetBeans?

Can someone tell me where and how I set the classpath in NetBeans? I would like to add a .jar file. ... stackoverflow.com/questions/7598623/how-do-i-set-the-classpath-in-netbeans...

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

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Can I copy multiple named files on the Windows command line using a single "copy" command?

I'd like to copy several known files to another directory as a part of a post-build event, but don't want ... -multiple-named-files-on-the-windows-command-line-using-a-single-copy...

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

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python - conda command will prompt error: "Bad Interpreter: No such file or directory"

I'm using arch linux and I've installed Anaconda as per the instruction on the Anaconda site. When I'm ... -command-will-prompt-error-bad-interpreter-no-such-file-or-directory...

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

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postgresql - psycopg2 insert python dictionary as json

I want to insert a python dictionary as a json into my postgresql database (via python and psycopg2) ... .com/questions/31796332/psycopg2-insert-python-dictionary-as-json...

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

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sqlite - Transactions with Python sqlite3

I'm trying to port some code to Python that uses sqlite databases, and I'm trying to get ... :https://stackoverflow.com/questions/15856976/transactions-with-python-sqlite3...

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

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Historical security flaws of popular PHP CMS's?

I'm creating a PHP CMS, one that I hope will be used by the public. Security is a major ... stackoverflow.com/questions/2951917/historical-security-flaws-of-popular-php-cmss...

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

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date - What's the difference between datetime in ISO 8601 and UTC formats in javascript?

I pick some date and time in javascript and then want to store it on server (.NET). Dates are supposed to ... -difference-between-datetime-in-iso-8601-and-utc-formats-in-javascript...

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

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How to detect a long touch pressure with javascript for android and iphone?

How to detect a long touch pressure with javascript for android and iphone? native javascript or jquery... I want ... -a-long-touch-pressure-with-javascript-for-android-and-iphone...

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

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java - Doing an "IN" query with Hibernate

I have a list of IDs in a String, and want to use Hibernate to get the rows with these IDs. TrackedItem ... ://stackoverflow.com/questions/3126366/doing-an-in-query-with-hibernate...

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

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svn - How can I access a subversion repository using a local path in Windows?

I have CollabNet Subversion server and client installed, running off of Apache that came with it. From the command ... -access-a-subversion-repository-using-a-local-path-in-windows...

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

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c - Can memcpy or memmove return a different pointer than dest?

The function memmove is defined like this: void *memmove(void *dest, const void *src, size_t n); In the ... /39999903/can-memcpy-or-memmove-return-a-different-pointer-than-dest...

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

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Google Places Search - Next Page Token returns same results

When I call https://maps.googleapis.com/maps/api/place/nearbysearch/xml?location=42.9825,-81.254&radius= ... 15692829/google-places-search-next-page-token-returns-same-results...

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

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XSLT xsl:sequence. What is it good for..?

I know the following question is a little bit of beginners but I need your help to understand a basic concept ... .com/questions/14361629/xslt-xslsequence-what-is-it-good-for...

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

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javascript - Getting error CreateListFromArrayLike called on non-object when trying to use .apply()

I've created a simple little route parsing function so that I can keep my code clean and easily maintainable, ... -createlistfromarraylike-called-on-non-object-when-trying-to-use-a...

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

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