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sql - Grant SELECT permission on a view, but not on underlying objects

I often read that one purpose of a VIEW is security: to allow some users access to the underlying table, ... expose the underlying objects too? See Question&Answers more detail:os...

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

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c++ - How can I use C++14 features when building qmake projects?

I'm currently using C++11 features in my Qt applications. However, I'd like to use some of the new C++14 features ... , and MinGW 4.8.2 32 bit. See Question&Answers more detail:os...

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

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rust - What is the difference between a constant and a static variable and which should I choose?

I know this from RFC 246: constants declare constant values. These represent a value, not a memory address. This ... Which one should I choose? See Question&Answers more detail:os...

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

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java - IllegalStateException with Hibernate 4 and ManyToOne cascading

I've got those two classes MyItem Object: @Entity public class MyItem implements Serializable { @Id private Integer id; ... am I doing wrong? See Question&Answers more detail:os...

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

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c# - What do ref, val and out mean on method parameters?

I'm looking for a clear, concise and accurate answer. Ideally as the actual answer, although links to good ... different - ByRef and ByVal. See Question&Answers more detail:os...

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

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MYSQL declaring variables

I don't get what is wrong with this script BEGIN DECLARE crs INT DEFAULT 0; WHILE crs < 10 DO INSERT INTO ` ... is an error at the second line. See Question&Answers more detail:os...

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

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rest - Unable to find a MessageBodyReader of content-type application/json and type class java.lang.String

I am using RestEasy client with jackson providers and getting the above error clientside code is: ClientRequest request ... .toJSON(object); } See Question&Answers more detail:os...

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

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PHP - Flushing While Loop Data with Ajax

Using PHP, I would like to make a while loop that reads a large file and sends the current line number when requested. Using ... 4 5 6 7 8 9 10 See Question&Answers more detail:os...

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

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mysql "Where not in" using two columns

I have one temporary table that contains userID and taskID. It is called CompletedTasks. I have a second ... .taskID != CompletedTasks.taskID See Question&Answers more detail:os...

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

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ByRef argument type mismatch in Excel VBA

I'm working with VBA. I wrote a user define function that takes a string, process it and return a ... ").Value = ProcessString(last_name) See Question&Answers more detail:os...

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

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language agnostic - In what situations is octal base used?

I've seen binary and hex used quite often but never octal. Yet octal has it's own convention for being used in ... it merely a matter of taste? See Question&Answers more detail:os...

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

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PyCharm not updating with environment variables

When I use vim to update my environmental variables (in ~/.bashrc), PyCharm does not get the updates right away ... (or without shutting down)? See Question&Answers more detail:os...

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

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r - How can I rbind vectors matching their column names?

rbind does not check for column names when binding together vectors: l = list(row1 = c(10, 20), row2 = c(20, 10)) ... [1,] 10 20 [2,] 10 20 See Question&Answers more detail:os...

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

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javascript - In a regular expression, match one thing or another, or both

In a regular expression, I need to know how to match one thing or another, or both (in order). But at least one ... and I need it to do this. See Question&Answers more detail:os...

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

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c# - SignalR doesn't use Session on server

When I try to access the HttpContext current session from the HUB it returns null. I tried making use of the ... work. Can someone help me? See Question&Answers more detail:os...

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

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gcc - Status of __STDC_IEC_559__ with modern C compilers

C99 added a macro __STDC_IEC_559__ which can be used to test if a compiler and standard library conform to ... this statement still accurate? See Question&Answers more detail:os...

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

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java - How to create a JPA query with LEFT OUTER JOIN

I am starting to learn JPA, and have implemented an example with JPA query, based on the following native SQL that I ... I put it into my JPQL? See Question&Answers more detail:os...

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

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java - Finding out if a list of Objects contains something with a specified field value?

I have a list of DTO received from a DB, and they have an ID. I want to ensure that my list contains an object with ... -> dto.getId() == id); See Question&Answers more detail:os...

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

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database - How to make a UUID in DynamoDB?

In my db scheme, I need a autoincrement primary key. How I can realize this feature? PS For access to DynamoDB, ... dynode, module for Node.js. See Question&Answers more detail:os...

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

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internet explorer - text-overflow:ellipsis doesn't work on IE

In this page there are some links at the left sidebar that get cropped with: .widget-area .textwidget li ... :ellipsis, without any luck. See Question&Answers more detail:os...

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

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Lets assume we have one million. In English it should be formatted as 1,000,000 in German it should be 1.000.000. See Question&Answers more detail:os...

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

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JQuery Datepicker - no default date

I want to remove the default date in my JQuery Datepicker. I try the following code: $(this).datepicker({ ... is still selected as default. See Question&Answers more detail:os...

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

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android - Simple TextView.setText causes 40% CPU Usage

Running my application causes ~40% CPU usage on my Phone: final String position = String.format("%02d:%02d: ... anybody an explanation for this? See Question&Answers more detail:os...

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

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Stop javascript Date function from changing timezone offset

So I have iso date time that need to be converted from a string to date object. How do I keep date from converting ... 17:00:00 GMT-0500 (XX) See Question&Answers more detail:os...

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

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why implicit conversion is harmful in C++

I understand that the keyword explicit can be used to prevent implicit conversion. For example Foo { public: ... implicit conversion is harmful? See Question&Answers more detail:os...

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

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482 views

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java - How to overwrite one property in .properties without overwriting the whole file?

Basically, I have to overwrite a certain property in a .properties file through a Java app, but when I use Properties. ... , null); out.close(); See Question&Answers more detail:os...

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

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995 views

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python - Setting Different error bar colors in bar plot in matplotlib

Following Setting Different Bar color in matplotlib Python I would like to change the error bar colors. I have ... a general solution at all. See Question&Answers more detail:os...

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

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How to trigger a jenkins build on specific node using pipeline plugin?

I have a Jenkins pipeline job called "TestPipeline". I want to trigger a build on 2 different slaves which labeled ... step should be built on? See Question&Answers more detail:os...

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

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