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What is a 'Closure'?
... scope
When you declare a local variable, that variable has a scope. Generally, local variables exist only within the block or function in which you declare them.
function() {
var a = 1;
console.log(a); // works
}
console.log(a); // fails
If I try to access a local variable, most languag...
Escaping a forward slash in a regular expression
...s as the delimiter and therefore you don't need to escape it. But AFAIK in all languages, the only special significance the / has is it may be the designated pattern delimiter.
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How to wait for a keypress in R?
...would work with any input (not just numbers) if what="" were added to the call to scan. getGraphicsEvent only works on specific graphics devices on certain platforms (but if you are using one of those devices it works fine).
– Greg Snow
Mar 7 '13 at 22:36
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Android Studio: Javadoc is empty on hover
...ery short. Carefully moving the mouse down to the bottom of the hover page allowed me to resize it.
Even after resizing it though, I still see it return to it's tiny size quite often... I'm glad I have my docs back, even if it does mean dealing with this annoyance.
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IIS Express Immediately shutting-down running site after stopping web application
...t and Continue checkbox in project properties) you have to use the "Detech all" command to stop debugging.
The debugger will detach from the iis process without closing it.
Clearly "Edit and Continue" feature will not work until you start debugging again.
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Select objects based on value of variable in object using jq
...t work: termux-contact-list |jq -r '.[] | select(.name=="$1")|.number'. I call it like cool_fn Name1. However, this works: termux-contact-list |jq -r '.[] | select(.name=="Name1")|.number'
– Timo
Aug 18 '18 at 8:13
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Commenting multiple lines in DOS batch file
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Wow, didn't know notepad++ has such a nice feature! Actually really missed it because I'm used to `Ctrl+7' in Eclipse. Voted up to 42 ;)
– Danny Lo
Dec 6 '15 at 14:45
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renderpartial with null model gets passed the wrong type
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This doesn't seem to answer the question.
– John Saunders
Aug 20 '12 at 14:21
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
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Better way of incrementing build number?
... template of Xcode?
The reason I ask this is that Project-Info.plist normally is under version control, and modifying it means that it will be marked as, well, modified.
If that is fine with you, then the following snippet will update the build number and mark the file as modified in the process...