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问题 Does anyone have a good solution to adding inline text editing to a column where you can edit and save and re-edit with mat table like in this example: https://material.io/design/components/data-tables.html#behavior it look like it's still an open issue on gitHub: https://github.com/angular/material2/issues/5982 回答1: inside your matColumnDef you should have a <th></th> and a <td></td> , simply add input to the <td></td> with reactive forms. if you wish it to be practically the same as the

问题 Does anyone have a good solution to adding inline text editing to a column where you can edit and save and re-edit with mat table like in this example: https://material.io/design/components/data-tables.html#behavior it look like it's still an open issue on gitHub: https://github.com/angular/material2/issues/5982 回答1: inside your matColumnDef you should have a <th></th> and a <td></td> , simply add input to the <td></td> with reactive forms. if you wish it to be practically the same as the

问题 Suppose I have a very simple function that I expect the compiler to inline it. But I may need to throw exception on seeing some invalid input, would that stop the compiler from inlining the function? 回答1: A compiler can refuse to inline for any reason. gcc lists reasons why it might not inline a function, but exception throwing is not among them. Also, the option -Winline will cause the compiler to issue a warning if it can't inline a function that you marked as inline. You can try that and

问题 Suppose I have a very simple function that I expect the compiler to inline it. But I may need to throw exception on seeing some invalid input, would that stop the compiler from inlining the function? 回答1: A compiler can refuse to inline for any reason. gcc lists reasons why it might not inline a function, but exception throwing is not among them. Also, the option -Winline will cause the compiler to issue a warning if it can't inline a function that you marked as inline. You can try that and

问题 I am very new to C++, and when I am trying to learn the friend function, I saw from friend description on Cppreference that: 2) (only allowed in non-local class definitions) Defines a non-member function, and makes it a friend of this class at the same time. Such non-member function is always inline . class X { int a; friend void friend_set(X& p, int i) { p.a = i; // this is a non-member function } public: void member_set(int i) { a = i; // this is a member function } }; Does this mean that

问题 I am very new to C++, and when I am trying to learn the friend function, I saw from friend description on Cppreference that: 2) (only allowed in non-local class definitions) Defines a non-member function, and makes it a friend of this class at the same time. Such non-member function is always inline . class X { int a; friend void friend_set(X& p, int i) { p.a = i; // this is a non-member function } public: void member_set(int i) { a = i; // this is a member function } }; Does this mean that

问题 Forgive me if this has been answered before, I couldn't find an answer where the validation depended on the aggregate of inline forms. Little background: I'm doing a site for an insurance broker which has 'Policies' and a 'Total Commission' of that policy. There are also 'Resellers' which are added to the 'Policy' along with a commission which goes to them (can have any number of resellers). The total commission between the resellers has to be less than the total commission. I have an admin

问题 Forgive me if this has been answered before, I couldn't find an answer where the validation depended on the aggregate of inline forms. Little background: I'm doing a site for an insurance broker which has 'Policies' and a 'Total Commission' of that policy. There are also 'Resellers' which are added to the 'Policy' along with a commission which goes to them (can have any number of resellers). The total commission between the resellers has to be less than the total commission. I have an admin

问题 A bit of a silly question but important for me to understand. As far as I know when using the inline "width" attribute in HTML, it is permitted to omit "px" - - will automatically be understood as "20px" unless percentage("20%") is used. My question is: Is it wrong to use the "..px" even though it's not needed? The code seem so much cleaner to me, it follows the same rule as CSS and least but not last - it doesn't bug me anytime I look at it. Thanks in advance. 回答1: This is never stated

问题 I have trouble spliting my regex in multiple line. I want my regex to match the line given: * Code "l;k""dfsakd;.*[])_lkaDald" So I created this regex which work: my $firstRegexpr = qr/^\s*\*\s*Code\s+\"(?<Code>((\")*[^\"]+)+)\"/x; But now I want to split it in multiline like this(and want it to match the same thing!): my $firstRegexpr = qr/^\s*\*\s*Code\s+\" (?<Code>((\")*[^\"]+)+)\"/x; I read about this, but I have trouble using it: / ^\s*\*\s*Code\s+\" (?<Code>((\")*[^\"]+)+)\" /x My last