Why is it legal to borrow a temporary? It’s legal for the same reason it’s illegal in C++ — because someone said that’s how it should be. How long does the temporary live in Rust? And since x is only a borrow, who is the owner of the string? The reference says: the temporary scope … Read more
It seems that you can’t do all this in a trigger. According to the documentation: Within a stored function or trigger, it is not permitted to modify a table that is already being used (for reading or writing) by the statement that invoked the function or trigger. According to this answer, it seems that you … Read more
POST data is data that is handled server side. And Javascript is on client side. So there is no way you can read a post data using JavaScript.
The best multiline comment regex is an unrolled version of (?s)/\*.*?\*/ that looks like String pat = “/\\*[^*]*\\*+(?:[^/*][^*]*\\*+)*/”; See the regex demo and explanation at regex101.com. In short, /\* – match the comment start /* [^*]*\*+ – match 0+ characters other than * followed with 1+ literal * (?:[^/*][^*]*\*+)* – 0+ sequences of: [^/*][^*]*\*+ – … Read more
npm has a ignore-scripts configuration key. It’s expected value is a Boolean and it’s set to false by default. Perhaps it has inadvertently been set to true. To get/set the ignore-scripts configuration you can utilize the npm-config command: Check its current setting by running: npm config get ignore-scripts If the aforementioned command returns true then … Read more
ngModel and ngChecked are not meant to be used together. ngChecked is expecting an expression, so by saying ng-checked=”true”, you’re basically saying that the checkbox will always be checked by default. You should be able to just use ngModel, tied to a boolean property on your model. If you want something else, then you either … Read more
The problem is twofold. First of all, Haskell is indentation sensitive, e.g. the following code isn’t valid: example = (a, b) where a = “Hello” b = “World” Both bindings need to be indented with the same number of spaces/tabs (see off-side rule). While it’s obvious in this case, it’s rather hidden in the following … Read more
It’s not supported by Servlet API to have the URL pattern wildcard * in middle of the mapping. It only allows the wildcard * in the end of the mapping like so /prefix/* or in the start of the mapping like so *.suffix. With the standard allowed URL pattern syntax your best bet is to … Read more
The reason why == works is because of pointer comparison. When you define a constant NSString using @””, the compiler uniquifies the reference. When the same constants are defined in other places in your code, they will all point to the same actual location in memory. When comparing NSString instances, you should use the isEqualToString: … Read more
Here are some references to various W3C specifications and drafts: Selectors Level 3 The :before and :after pseudo-elements can be used to insert generated content before or after an element’s content. The :before and :after pseudo-elements Authors specify the style and location of generated content with the :before and :after pseudo-elements. As their names indicate, … Read more