understanding of pthread_cond_wait() and pthread_cond_signal()
Jan 3, 2024 · But there is a saying "The pthread_cond_signal () function shall unblock at least one of the threads that are blocked on the specified condition variable cond (if any threads are blocked on …
How to use $in or $nin in mongo aggregation $group $cond
Nov 16, 2015 · How to use $in or $nin in mongo aggregation $group $cond Ask Question Asked 10 years, 4 months ago Modified 10 years, 4 months ago
Is there an elseif thing in MongoDB to $cond while aggregating
Dec 15, 2014 · As an if..then.else operator $cond is indeed a ternary operator, just as would be implemented in many programming languages. This means as an "inline" conditional, rather than …
c - pthread_cond_timedwait () - Stack Overflow
Jul 25, 2013 · The pthread_cond_timedwait function takes an absolute time, not a relative time. It takes the time you want to stop waiting, not how long you want to wait.
"cond","and" and "or" in Scheme - Stack Overflow
Oct 14, 2013 · In addition to the answers that you get here, you might look at the answers to Why (apply and ' (1 2 3)) doesn't work while (and 1 2 3) works in R5RS? and Using AND with the apply function …
Use of $COND and $EQ with a array of objects - Stack Overflow
Mar 1, 2014 · I'm hoping that someone might be able to answer whether what I'm trying to accomplish below can be done with the MongoDB Aggregation Framework. I have a user data structure that …
pthread_cond_broadcast before and after one pthread_mutex_unlock
Feb 22, 2021 · Calling pthread_cond_broadcast() is independent of holding any mutex. Or perhaps you mean that one of the previously blocked threads will have acquired the mutex by the time the second …
lisp - Cond definition in scheme - Stack Overflow
Dec 16, 2014 · As an alternative starting place for your customised cond, one definition of cond is the reference implementation given in SRFI 61. It is succinct and is one of the best implementations of …
How to group query with multiple $cond? - Stack Overflow
Jun 2, 2017 · 35 I want to query like below, but this contains only one $cond. How to query with two $cond?
mongoose aggregate using $exists in $cond - Stack Overflow
Jan 9, 2017 · mongoose aggregate using $exists in $cond Asked 9 years, 2 months ago Modified 7 years ago Viewed 27k times