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do { … } while (0) — what is it good for? [duplicate]
I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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asp.net mvc: why is Html.CheckBox generating an additional hidden input
...ed that Html.CheckBox("foo") generates 2 inputs instead of one, anybody knows why is this so ?
10 Answers
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Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
...(File > New > Project, Android Project from Existing Code). If it is now named incorrectly, right click it > Refactor > Rename. This fixed the issue for me.
– Glenn Schmidt
Jan 30 '13 at 4:05
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Prevent browser from loading a drag-and-dropped file
...oad outside of the actual file-upload drop-zone, and then wonders why they now see that same file rendered directly in the browser window (assuming a compatible file type like an image or video was dropped), rather than the expected behavior of seeing their file upload.
– blueb...
How to get index of object by its property in JavaScript?
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If you're fine with using ES6. Arrays now have the findIndex function. Which means you can do something like this:
const index = Data.findIndex(item => item.name === 'John');
share
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Get data from fs.readFile
...fer is data. if (Buffer.isBuffer( data){ result = data.toString('utf8'); } Now we have converted the buffer into readable text. This is good for reading a plaintext file or testing the file against format types. I could do a try/catch to see if it's a JSON file for example; but only after buffer is ...
Create two blank lines in Markdown
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I only know the options below. It would be great to take a list of all of them and comment them differences
# RAW
## Creates 2 Lines that CAN be selected as text
## -------------------------------------------------
### The non-br...
Is there a way to get the XPath in Google Chrome?
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Does anyone know the keyboard commands for this on ubuntu? crtl-shift-x and command-shift-x don't appear to do anything
– xiatica
Aug 5 '11 at 4:06
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Spring @PropertySource using YAML
...go. It doesn't work with recent versions of Spring Boot. This is what I do now (please translate the Kotlin to Java if necessary):
@TestPropertySource(locations=["classpath:application.yml"])
@ContextConfiguration(
initializers=[ConfigFileApplicationContextInitializer::class]
)
is added t...
How to pass variable number of arguments to a PHP function
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This is now possible with PHP 5.6.x, using the ... operator (also known as splat operator in some languages):
Example:
function addDateIntervalsToDateTime( DateTime $dt, DateInterval ...$intervals )
{
foreach ( $intervals as $i...