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IPC performance: Named Pipe vs Socket
...urely trying to optimize something that isn't yet problematic. Unless you know sockets are going to be a bottleneck, I'd just use them.
A lot of people who swear by named pipes find a little savings (depending on how well everything else is written), but end up with code that spends more time block...
SQL - using alias in Group By
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@MartinSmith only knew now that is a gotcha, will refrain from using that, thanks. Given that PostgreSQL allows that shortcut, they should give the alias a priority, otherwise they should not allow that shortcut at all.
– Mich...
Different between parseInt() and valueOf() in java?
... use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
Now, if what you want is the object and not the primitive, then using valueOf(String) may be more attractive than making a new object out of parseInt(String) because the former is consistently present across Integer, Long, Do...
Detect if device is iOS
...MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad',
'iPhone',
'iPod'
].includes(navigator....
How to “set a breakpoint in malloc_error_break to debug”
...inally saw I put a space after the malloc_error_break, I suppressed it and now it works.
A dumb problem but if the solution doesn't work, be sure you haven't put any space before and after the malloc_error_break.
Hope this message will help..
...
Why does 2 == [2] in JavaScript?
...a[array] it tries to turn the array into a number first, then string. Who knows?
var a = { "abc" : 1 };
a[["abc"]] === a["abc"];
In this example, you are creating an object called a with a member called abc. The right side of the equation is pretty simple; it is equivalent to a.abc. This returns ...
bootstrap popover not showing on top of all elements
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This worked for me as well. its important to know what value needs to be set for "container" property. Just for reference, contents copied from bootstrap popovers document - "When you have some styles on a parent element that interfere with a popover, you’ll want to sp...
Why shouldn't `'` be used to escape single quotes?
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@Anon.: ' is now part of the HTML standard.
– Paul D. Waite
Sep 19 '13 at 9:49
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Days between two dates? [duplicate]
...ee how many full days have passed between two dates?
Here's what I'm doing now.
4 Answers
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how to use adb command to push a file on device without sd card
...commands :
1) ./adb shell (hit return/enter)
2) cd -(hit return/enter)
now you will see the list of Directories and files from your android device
there you may find /sdcard as well as /storage
3) cd /storage (hit return/enter)
4) ls (hit return/enter)
you may see sdcard0 (generally sdcard0 ...