大约有 34,900 项符合查询结果（耗时：0.0810秒） [XML]
How do I split a string on a delimiter in Bash?
...n array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value into an array, which we can then iterate over.
IFS=';' read -ra ADDR <<< "$IN"
for i in "${ADDR...
What is the difference between the | and || or operators?
...
Just like the & and && operator, the double Operator is a "short-circuit" operator.
For example:
if(condition1 || condition2 || condition3)
If condition1 is true, condition 2 and 3 will NOT be checked.
if(condition1...
How to send a command to all panes in tmux?
I like to call :clear-history on panes with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows.
...
Why are joins bad when considering scalability?
Why are joins bad or 'slow'. I know i heard this more then once. I found this quote
16 Answers
...
Difference between a “coroutine” and a “thread”?
... of sequential processing: only one is executing at any given time (just like subroutines AKA procedures AKA functions -- they just pass the baton among each other more fluidly).
Threads are (at least conceptually) a form of concurrent processing: multiple threads may be executing at any given ti...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...
Otávio DécioOtávio Décio
68.9k1414 gold badges152152 silver badges219219 bronze badges
...
When using the Java debugger in Intellij what does “Drop Frame” mean?
... within Intellij 8 and noticed a button labeled "drop frame", does anybody know what purpose this serves? How/why would this be used/useful?
...
file_put_contents - failed to open stream: Permission denied
...
JasonJason
13.1k1515 gold badges5858 silver badges103103 bronze badges
...
IISExpress returns a 503 error from remote machines
...l IISExpress instance with some other machines / devices on my local network. I am running Win7 Pro.
10 Answers
...
What is P99 latency?
What does P99 latency represent? I keep hearing about this in discussions about an applications performance but couldn't find a resource online that would talk about this.
...