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String, StringBuffer, and StringBuilder
... 2;
if (newCapacity < 0) {
newCapacity = Integer.MAX_VALUE;
} else if (minimumCapacity > newCapacity) {
newCapacity = minimumCapacity;
}
value = Arrays.copyOf(value, newCapacity);
}
A best practice is to initialize the StringBuilder/Buffer ...
Best way to show a loading/progress indicator?
...
From the Android Developer website: STYLE_SPINNER Creates a ProgressDialog with a circular, spinning progress bar.
– Tequilaman
Dec 26 '14 at 1:15
...
How do I check if a string is unicode or ascii?
... it raises a UnicodeDecodeError exception, it wasn't valid.
>>> u_umlaut = b'\xc3\x9c' # UTF-8 representation of the letter 'Ü'
>>> u_umlaut.decode('utf-8')
u'\xdc'
>>> u_umlaut.decode('ascii')
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
Multiple Updates in MySQL
...teresting look at the functionality of casing...
– me_
Feb 7 '17 at 21:55
1
@user2536953 , it can...
Peak-finding algorithm for Python/SciPy
...
The function scipy.signal.find_peaks, as its name suggests, is useful for this. But it's important to understand well its parameters width, threshold, distance and above all prominence to get a good peak extraction.
According to my tests and the document...
How to define hash tables in Bash?
...are the answer by introducing the concepts:
First, indirection.
$ animals_moo=cow; sound=moo; i="animals_$sound"; echo "${!i}"
cow
Secondly, declare:
$ sound=moo; animal=cow; declare "animals_$sound=$animal"; echo "$animals_moo"
cow
Bring them together:
# Set a value:
declare "array_$index=$...
python pandas dataframe to dictionary
...
See the docs for to_dict. You can use it like this:
df.set_index('id').to_dict()
And if you have only one column, to avoid the column name is also a level in the dict (actually, in this case you use the Series.to_dict()):
df.set_index('id')...
Reactjs convert html string to jsx
...se the dangerouslySetInnerHTML property:
<td dangerouslySetInnerHTML={{__html: this.state.actions}} />
React forces this intentionally-cumbersome syntax so that you don't accidentally render text as HTML and introduce XSS bugs.
...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...variable you are checking would be in the global scope you could do:
array_key_exists('v', $GLOBALS)
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How can I escape square brackets in a LIKE clause?
...derscore from a query, so I ended up with this:
WHERE b.[name] not like '\_%' escape '\' -- use \ as the escape character
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