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How to do ToString for a possibly null object?

...efore, while it maybe appears elegant, the cast is almost always necessary and is not that succinct in practice. As suggested elsewhere, I recommend maybe using an extension method to make this cleaner: public static string ToStringNullSafe(this object value) { return (value ?? string.Empty).ToS...
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jQuery selector for inputs with square brackets in the name attribute

...attribute selector syntax is [name=value] where name is the attribute name and value is the attribute value. So if you want to select all input elements with the attribute name having the value inputName[]: $('input[name="inputName[]"]') And if you want to check for two attributes (here: name an...
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How to close current tab in a browser window?

...t message should appear asking the user to confirm with two buttons, "YES" and "NO". If the user clicks "YES", close that page and If "NO", do nothing. ...
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Variable length (Dynamic) Arrays in Java

I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions? ...
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Should I avoid 'async void' event handlers?

I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method. ...
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How can I make a JPA OneToOne relation lazy

...eloping, we noticed that a view was particularly slow. I profiled the view and noticed that there was one query executed by hibernate which took 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy so that wasn't the problem. Wh...
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How to read lines of a file in Ruby

... I believe my answer covers your new concerns about handling any type of line endings since both "\r\n" and "\r" are converted to Linux standard "\n" before parsing the lines. To support the "\r" EOL character along with the regular "\n", and "\r\n" from Windows, here's what I...
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Setting Authorization Header of HttpClient

... @MickyDuncan HttpClient has a DefaultRequestHeaders.Authorization. And this answer just salvaged my day. Much thanks to WhiteRabbit. – Joey Schluchter Jan 23 '14 at 19:26 3...
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How to accept Date params in a GET request to Spring MVC Controller?

...ring you can @Override the addFormatters method of WebMvcConfigurerAdapter and add your Formatter-implementing beans there. – UTF_or_Death Feb 17 '17 at 15:59 ...
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/etc/apt/sources.list" E212: Can't open file for writing

...as sudo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue: :w !sudo tee % > /dev/null Which will save the file. HTH share | im...