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How to disable / enable dialog negative positive buttons?
...ertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("Alert dialog title");
builder.setMessage("This is the example code snippet to disable button if edittext attached to dialog is empty.");
builder.setPositiveButton("PositiveButton",
new...
How can I convert comma separated string into a List
...tList = csv.Split(',')
.Where(m => int.TryParse(m, out _))
.Select(m => int.Parse(m))
.ToList();
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How to remove stop words using nltk or python
...
from nltk.corpus import stopwords
# ...
filtered_words = [word for word in word_list if word not in stopwords.words('english')]
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分布式数据（DistributedData）使用指导 · App Inventor 2 中文网
...木中。
when Screen1.Initialize() {
DistributedData1.Initialize("demo_store")
}
when DistributedData1.StoreOpened() {
DistributedData1.Put("message", "你好")
标签1.Text = DistributedData1.Get("message")
}
when DistributedData1.Error(错误信息) {
标签1.Text = 错误信息
}
...
Reading a file line by line in Go
...since the OP asked to scan over a file, it would be trivial to first file, _ := os.Open("/path/to/file.csv") and then scan over the file handle: scanner := bufio.NewScanner(file)
– Evan Plumlee
Aug 18 '13 at 13:28
...
YYYY-MM-DD format date in shell script
...
$(date +%F_%H-%M-%S)
can be used to remove colons (:) in between
output
2018-06-20_09-55-58
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How to access route, post, get etc. parameters in Zend Framework 2
...;getParam('name', 'default');
NOTE: You could have used the superglobals $_GET, $_POST etc., but that is discouraged.
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Get last n lines of a file, similar to tail
...nd the right number of '\n' characters.
def tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
...
String difference in Bash
...e is some difference between the two strings?
– alpha_989
Aug 10 '17 at 15:28
@alpha_989 , here's your answer: $ diff ...
How can I reliably get an object's address when operator& is overloaded?
..., minus the compiler work around bits:
template<class T>
struct addr_impl_ref
{
T & v_;
inline addr_impl_ref( T & v ): v_( v ) {}
inline operator T& () const { return v_; }
private:
addr_impl_ref & operator=(const addr_impl_ref &);
};
template<class T>
str...