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More elegant “ps aux | grep -v grep”
... of processes and 'grep' out those that are interesting for me, the grep itself is also included in the results. For example, to list terminals:
...
Purge Kafka Topic
... --config retention.ms=1000
And in newer Kafka releases, you can also do it with kafka-configs --entity-type topics
kafka-configs.sh --zookeeper <zkhost>:2181 --entity-type topics --alter --entity-name <topic name> --add-config retention.ms=1000
then wait for the purge to take effec...
Extracting extension from filename in Python
...
Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation):
>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>>...
How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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UICollectionView spacing margins
...tos. I have created the collectionview using UICollectionViewFlowLayout . It works good but I would like to have spacing on margins. Is it possible to do that using UICollectionViewFlowLayout or must I implement my own UICollectionViewLayout ?
...
How to remove “disabled” attribute using jQuery?
... or disable elements when using jQuery (see below for why).
In your case, it would be:
$("#edit").click(function(event){
event.preventDefault();
$('.inputDisabled').prop("disabled", false); // Element(s) are now enabled.
});
jsFiddle example here.
Why use prop() when you could use at...
Android: Clear the back stack
In Android I have some activities, let's say A, B, C.
38 Answers
38
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FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)。
(4)、如果存在老OS或程序无法读取的字符，换以"_"
短文件格式的目录项。其参数意义见表14：
表14 FAT32短文件目录项32个字节的表示定义
字节偏移(16进制)
字节数
定义
0x0~0x7
8
文件名
0x8~0xA...
How to remove all the occurrences of a char in c++ string
...
Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(str.begin(), str.end(), 'a'), str.end...
How to “inverse match” with regex?
I'm using RegexBuddy but I'm in trouble anyway with this thing :\
9 Answers
9
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