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Why do I get a warning every time I use malloc?
...stdlib.h>
If you don't include this header file, the function is not known to the compiler. So it sees it as undeclared.
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Does “display:none” prevent an image from loading?
...ser which will not load the image if the display is set to none. Opera has now moved to webkit and will render all images even if their display is set to none.
Here is a testing page that will prove it:
http://www.quirksmode.org/css/displayimg.html
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Should I learn C before learning C++? [closed]
...at is true whether or not you started with C or started with C++.
If you know C first, then that is good plus to learning C++. You will start with knowing a chunk of the language. If you do not know C first then there is no point focusing on a different language. There are plenty of good books a...
Java: How to test methods that call System.exit()?
... @LeoHolanda You're right; looking at the implementation of the rule, I now see it uses a custom security manager which throws an exception when the call for the "system exit" check occurs, therefore ending the test. The added example test in my answer satisfies both requirements (proper verifica...
How to match a String against string literals in Rust?
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as_slice is deprecated, you should now use the trait std::convert::AsRef instead:
match stringthing.as_ref() {
"a" => println!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println!("something else!"),
}
Note that you al...
Extension methods cannot be dynamically dispatched
...Cast the dynamic types to actual types, and it will work.
From what I see now, I'd say:
(string) ViewBag.MagNo
Which would result in
@foreach (var item in Model)
{
@Html.DropDownListFor(modelItem => item.TitleIds,
new SelectList(ViewBag.TitleNames as System.Collections.IEnumerabl...
TimeStamp on file name using PowerShell
...tension($filePath);
[string]$newFileName = $strippedFileName + [DateTime]::Now.ToString("yyyyMMdd-HHmmss") + $extension;
[string]$newFilePath = [System.IO.Path]::Combine($directory, $newFileName);
Move-Item -LiteralPath $filePath -Destination $newFilePath;
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Linux find file names with given string
...ent directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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When do you use the “this” keyword? [closed]
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Do you know how your answer sounds to me? Between the lines I read "How do you dare to ask a question like this?" - That is really not constructive in my opinion. No one knows everything - this is why we have Stackoverflow: To help ...
Ruby on Rails: How do I add placeholder text to a f.text_field?
....text_field :attr, placeholder: "placeholder text" %>
So rails 4+ can now use this syntax instead of the hash syntax
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