大约有 15,000 项符合查询结果（耗时：0.0316秒） [XML]
Which SQL query is faster? Filter on Join criteria or Where clause?
...width=8) (actual time=0.017..0.017 rows=1 loops=1)
Buckets: 1024 Batches: 1 Memory Usage: 9kB
-> Seq Scan on result r (cost=0.00..27.00 rows=7 width=8) (actual time=0.006..0.008 rows=1 loops=1)
Filter: (team_2_score = 24)
Rows Removed by Filter:...
How to copy a directory structure but only include certain files (using windows batch files)
...
You don't mention if it has to be batch only, but if you can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
...
The bare minimum needed to write a MSMQ sample application
...of how to use MSMQ in C# and even one full chapter of a book about Message Queue...But for a quick test all I need is to cover is this scenario, not even in a perfect way, just for a quick demo:
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I want to delete all bin and obj folders to force all projects to rebuild everything
...- this happens when you run it from the command line instead from inside a batch file. Use single '%'s in this case.
– Designpattern
Jan 11 '12 at 9:05
4
...
Stack smashing detected
...e6)[0xc16b56]
./a.out[0x8048411]
======= Memory map: ========
007d9000-007f5000 r-xp 00000000 08:06 5776 /lib/libgcc_s.so.1
007f5000-007f6000 r--p 0001b000 08:06 5776 /lib/libgcc_s.so.1
007f6000-007f7000 rw-p 0001c000 08:06 5776 /lib/libgcc_s.so.1
0090a000-0090b000 r-xp 00000000 00...
java: run a function after a specific number of seconds
...un() {
// your code here
}
},
5000
);
EDIT:
javadoc says:
After the last live reference to a Timer object goes away and all outstanding tasks have completed execution, the timer's task execution thread terminates gracefully (and becomes subject to...
Can Maven be made less verbose?
...only want the Downloading/Downloaded messages to go away, use -B to enable batch mode (you should have that in your CI system anyways!), and then set MAVEN_OPTS="-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn" to kill the progress information for the downl...
How to reload page every 5 seconds?
... setTimeout like:
setTimeout(function(){
window.location.reload(1);
}, 5000);
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Why do pthreads’ condition variable functions require a mutex?
...ied:
while(1)
{
pthread_mutex_lock(&work_mutex);
while (work_queue_empty()) // wait for work
pthread_cond_wait(&work_cv, &work_mutex);
work = get_work_from_queue(); // get work
pthread_mutex_unlock(&work_mutex);
do_work(work); ...
Batch not-equal (inequality) operator
...diately think of a circumstance in which the evaluation of operations in a batch file would cause an issue or unexpected behavior when applying the IF NOT == comparison method to strings.
I wish I could offer insight into how the two functions behave differently on a lower level - would disassembli...