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How to find a deleted file in the project commit history?
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It's in the commit with that sha as "deleted" which means it still won't exist. You have to go to the commit before that to actually get it back.
– tandrewnichols
Sep 11 '13 at 14:07
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Java string to date conversion
...relevance from the javadoc, listing all available format patterns:
Symbol Meaning Presentation Examples
------ -------------------------- ------------ ----------------------------------------------
G era text AD; Anno Domini; A
u ...
Migration: Cannot add foreign key constraint
...s well, thanks. But it seems a bit strange to me that it works this way. I mean, it makes sense, but there should be a way to specify the order of the migration execution other than manually renaming the files and coming up with fake dates in the process
– allisius
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Linq code to select one item
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Perhaps you mean Where as opposed to Select, which has already been stated, but this answer is incorrect. Select in c# changes the results to IEnumerable<bool>, so you're getting a bool for the first item x.Id == 123
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How do you post to an iframe?
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Depends what you mean by "post data". You can use the HTML target="" attribute on a <form /> tag, so it could be as simple as:
<form action="do_stuff.aspx" method="post" target="my_iframe">
<input type="submit" value="Do Stu...
Make a link use POST instead of GET
...click the link it will perform a postback using JavaScript". This has more meaning than binding a click event. Hard rules like "dont ever use javascript in href" are as bad as any other bad practice.
– Menol
Oct 31 '19 at 10:47
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How to highlight text using javascript
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@julmot; To 1: Which means you need to iterate through every element, which is precisely what I do. Unless you don't care about loosing formatting, in which case you can search in document.body.innerText, which will be quite slow. 3. Not in the D...
What are the benefits of dependency injection containers?
...ressed interfaces on the other.
External (Xml) configuration of DI objects means that others can customize your code in unforeseen directions.
External configuration is also a separation of concern pattern in that all problems of object initialization and object interdependency management can be han...
MySQL order by before group by
...use.
(If you're sure that ID is only increasing, and if ID1 > ID2 also means that post_date1 > post_date2, then the query could be made much more simple, but I'm not sure if this is the case).
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How does the “this” keyword work?
...dentifiers are resolved in the lexical scope like any
other variable. That means that inside an arrow function, this...refer(s) to the values of this in the environment
the arrow function is defined in.
Just for fun, test your understanding with some examples
To reveal the answers, mouse over the l...