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How can I generate an ObjectId with mongoose?
...nerate a new new ObjectId
const newId2 = new mongoose.Types.ObjectId();
// Convert string to ObjectId
const newId = new mongoose.Types.ObjectId('56cb91bdc3464f14678934ca');
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How to complete a git clone for a big project on an unstable connection?
...epository for you if you can communicate with the provider. You can easily convert the bare repository to a full repository. Also read the comments in that answer as a shallow clone may not always help.
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Purpose of Trigraph sequences in C++?
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I've seen trigraphs used in the early '90s to help convert PL/1 programs from a mainframe to be run/compiled/debugged on a PC.
They were dabbling with editing PL/I on the PC using a PL/I to C compiler and they wanted the code to work when moved back to the mainframe which ...
Rails raw SQL example
How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
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Recursive directory listing in DOS
...ptions offered by FINDSTR. You can also use the excellent unxutils, but it converts the output to UNIX by default, so you no longer get CR+LF; FINDSTR offers the best Windows option.
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How can I round to whole numbers in JavaScript?
...actly matches ECMAScript's Math.round()'s behavior of rounding to nearest, and running exact half-integers towards positive infinity.
– hmakholm left over Monica
Jul 11 '17 at 15:00
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Return value in a Bash function
...5, 0 meaning "success"). So return is not what you want.
You might want to convert your return statement to an echo statement - that way your function output could be captured using $() braces, which seems to be exactly what you want.
Here is an example:
function fun1(){
echo 34
}
function fun2()...
Java 8 method references: provide a Supplier capable of supplying a parameterized result
...hrow. Otherwise you will get an error message like MyException cannot be converted to java.lang.RuntimeException
Update:- This was an issue with an older version of JDK. I don't see this issue with the latest versions.
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...n excessive amount of time (by default 98% of all CPU time of the process) and recovers very little memory in each run (by default 2% of the heap).
This effectively means that your program stops doing any progress and is busy running only the garbage collection at all time.
To prevent your applica...
Intellij IDEA generate for-each/for keyboard shortcut
Is there a keyboard shortcut generating a foreach and also for loop?
7 Answers
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