Hot questions

0 votes

382 views

1 answer

I am little poor in type casting. I have a string in xmlChar* (which is unsigned char*), I want to ... :https://stackoverflow.com/questions/17746688/convert-unsigned-char-to-string...

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

0 votes

166 views

1 answer

How to insert 'NULL' values into PostgreSQL database using Python?

Is there a good practice for entering NULL key values to a PostgreSQL database when a variable is None in ... /how-to-insert-null-values-into-postgresql-database-using-python...

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

0 votes

352 views

1 answer

ruby - Rails 4 migration: how to reorder columns

I learned that add_column has an :after option to set where the column gets inserted. Too bad I learned about ... .com/questions/18899011/rails-4-migration-how-to-reorder-columns...

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

0 votes

185 views

1 answer

Populating cascading dropdown lists in JSP/Servlet

Suppose I am having three dropdownlist controls named dd1, dd2 and dd3. The value of each dropdownlist ... /questions/2263996/populating-cascading-dropdown-lists-in-jsp-servlet...

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

0 votes

385 views

1 answer

asp.net - The current .NET SDK does not support targeting .NET Core 3.0 | 3.1 | 5.0

I've just downloaded the release version of .NET Core 3.0.100 It was installed alongside older version that I have: When I ... sdk-does-not-support-targeting-net-core-3-0-3-1-5-0...

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

0 votes

401 views

1 answer

excel - Determine if a cell (value) is used in any formula

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from:https: ... /determine-if-a-cell-value-is-used-in-any-formula...

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

0 votes

564 views

1 answer

python - Overlapping y-axis tick label and x-axis tick label in matplotlib

If I create a plot with matplotlib using the following code: import numpy as np from matplotlib import pyplot as plt xx ... -y-axis-tick-label-and-x-axis-tick-label-in-matplotlib...

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

0 votes

259 views

1 answer

LINQ Include vs Join. Are they equivalent?

I have used join in linq to join 2 tables. What is the difference between a join and Include. From ... stackoverflow.com/questions/12284719/linq-include-vs-join-are-they-equivalent...

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

0 votes

343 views

1 answer

Spring Property Injection in a final attribute @Value - Java

A simple question on Spring injection from a properties file for a final attribute. I have a properties file ... /7130425/spring-property-injection-in-a-final-attribute-value-java...

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

0 votes

275 views

1 answer

java - What is the difference between log4j, slf4j and logback?

I am little bit confused by these three logger libraries. It seems like that they can do the similar thing ... /39562965/what-is-the-difference-between-log4j-slf4j-and-logback...

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

0 votes

252 views

1 answer

ruby - YAML How many spaces per indent?

Is there any difference if i use one space, two or four spaces per indent level in YAML? Are there any ... ://stackoverflow.com/questions/42247535/yaml-how-many-spaces-per-indent...

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

0 votes

249 views

1 answer

c++ - Near and Far pointers

What is difference between our usual pointers(ones which we normally use), near pointers and far pointers and ... https://stackoverflow.com/questions/3869830/near-and-far-pointers...

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

0 votes

322 views

1 answer

Hide Tab headers in WPF TabControl

What is the best way to hide Tab headers when there is only a single visible Tab? I want to hide ... ://stackoverflow.com/questions/387480/hide-tab-headers-in-wpf-tabcontrol...

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

0 votes

485 views

1 answer

android - Suspend function 'callGetApi' should be called only from a coroutine or another suspend function

I am calling suspended function from onCreate(...) override fun onCreate(savedInstanceState: Bundle?) { ... ... ... -callgetapi-should-be-called-only-from-a-coroutine-or-another...

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

0 votes

478 views

1 answer

arrays - Can you have mongo $push prepend instead of append?

I'd like to have push add at the beginning of my set rather than appended to the end when I do a mongo ... .com/questions/10131957/can-you-have-mongo-push-prepend-instead-of-append...

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

0 votes

173 views

1 answer

spring - Allow OPTIONS HTTP Method for oauth/token request

I'm trying to enable oauth2 token fetching for my angular application. My configuration is working fine ( ... /25136532/allow-options-http-method-for-oauth-token-request...

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

0 votes

274 views

1 answer

C++ namespaces and defining classes in separate files

I want to make a namespace that will contain several classes as part of a "package". Do I have to ... .com/questions/4093407/c-namespaces-and-defining-classes-in-separate-files...

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

0 votes

241 views

1 answer

windows - Storing file permissions in Subversion repository

How do you store file permissions in a repository? A few files need to be read-only to stop ... stackoverflow.com/questions/56149/storing-file-permissions-in-subversion-repository...

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

0 votes

503 views

1 answer

concurrent programming - Is this the proper way to iterate over Concurrentdictionary in C#

I'm only using this code for an example. Assume I have the following Person class. using System; using ... this-the-proper-way-to-iterate-over-concurrentdictionary-in-c-sharp...

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

0 votes

378 views

1 answer

configuration - How to use git (git config --global)?

The Pragmatic Guide to GIT has the following "Git uses both to calculate the commit ID-a SHA-111 hash-that ... stackoverflow.com/questions/3580802/how-to-use-git-git-config-global...

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

0 votes

183 views

1 answer

r - How to generate a vector containing a numeric sequence with a given step?

I have a decimal variable x0. I want to make a vector from [x0, 6] increasing by 0.01 each time. I know ... how-to-generate-a-vector-containing-a-numeric-sequence-with-a-given-step...

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

0 votes

406 views

1 answer

amazon web services - How do you delete an AWS ECS Task Definition?

Once you've created a task definition in Amazon's EC2 Container Service, how do you delete or remove it? ... questions/35045264/how-do-you-delete-an-aws-ecs-task-definition...

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

0 votes

124 views

1 answer

sql - "ORDER BY ... USING" clause in PostgreSQL

The ORDER BY clause is decribed in the PostgreSQLdocumentation as: ORDER BY expression [ ASC | DESC | ... stackoverflow.com/questions/7205878/order-by-using-clause-in-postgresql...

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

0 votes

108 views

1 answer

c# - convert .NET generic List to F# list

Is there a built-in method to convert the .NET List<> into the F# list? question from:https://stackoverflow.com/questions/3105165/convert-net-generic-list-to-f-list...

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

0 votes

307 views

1 answer

.vimrc for IntelliJ Idea's vim plugin

I am using the vim plugin for IntelliJ Idea. Where should I place the .vimrc for that plugin. Using ... //stackoverflow.com/questions/3138992/vimrc-for-intellij-ideas-vim-plugin...

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

0 votes

118 views

1 answer

c++ - What does the >?= operator mean?

Looking through this C++ BigInt library and found the BigInt.cpp file. At the top there is a a comment ... :https://stackoverflow.com/questions/5199630/what-does-the-operator-mean...

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

0 votes

76 views

1 answer

How to create a static array of strings?

Note This question contains syntax that predates Rust 1.0. The code is invalid, but the concepts are still relevant ... /questions/27459640/how-to-create-a-static-array-of-strings...

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

0 votes

155 views

1 answer

java - How to add a int array in protobuf message

I have to compose a protobuf message which should have 1 integer variables and a integer array. package protobuf; message ... /7408203/how-to-add-a-int-array-in-protobuf-message...

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

Categories

Just Browsing Browsing

Most popular tags