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Timeout a command in bash without unnecessary delay
...y, Bash does not support floating point arithmetic (sleep does),
therefore all delay/time values must be integers.
EOF
}
# Options.
while getopts ":t:i:d:" option; do
case "$option" in
t) timeout=$OPTARG ;;
i) interval=$OPTARG ;;
d) delay=$OPTARG ;;
*) printUsage...
How to clear MemoryCache?
...clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
...
How exactly does the callstack work?
...ng of how the low level operations of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
...
Elegant way to invert a map in Scala
...
@dev-null I'm sorry, but your example does not fall under the required assumption.
– Daniel C. Sobral
May 2 '19 at 17:01
...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...om now.
The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even say anything about the atomicity of memory loads and stores or the order...
How do I read CSV data into a record array in NumPy?
... 2. , 3. ],
[ 4. , 5.5, 6. ]])
This gives a pandas DataFrame - allowing many useful data manipulation functions which are not directly available with numpy record arrays.
DataFrame is a 2-dimensional labeled data structure with columns of
potentially different types. You can think ...
What's the difference between hard and soft floating point numbers?
...t float) in accuracy-critical parts and fast (hard float) in parts where small deviations don't matter.
– PhilLab
May 29 '17 at 12:18
...
微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术
微博为什么限制140字(附短信70字限制考)问题的提出申请过那么多的微博，数申请网易微博的动机最不纯，因为它的字数限制不是传说中的140字，而是163个字。当年觉得很可爱，于是就注...问题的提出
申请过那么多的微博，数申...
How to tell if browser/tab is active [duplicate]
I have a function that is called every second that I only want to run if the current page is in the foreground, i.e. the user hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste ...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...ng-a-Machine-Learning-Classifier机器学习 算法如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），最后选择在...