大约有 16,000 项符合查询结果(耗时:0.0426秒) [XML]
What's the opposite of chr() in Ruby?
In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
...
Adding gif image in an ImageView in android
...
First, copy your GIF image into Asset Folder of your app
create following classes and paste the code
AnimationActivity: -
public class AnimationActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreat...
Line-breaking widget layout for Android
...at presents some data to the user. The data is such that it can be divided into 'words', each being a widget, and sequence of 'words' would form the data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal ...
How to compile python script to binary executable
I need to convert a Python script to a Windows executable.
3 Answers
3
...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...s wchar_t?
wchar_t is defined such that any locale's char encoding can be converted to a wchar_t representation where every wchar_t represents exactly one codepoint:
Type wchar_t is a distinct type whose values can represent distinct codes for all members of the largest extended character set s...
Learning Python from Ruby; Differences and Similarities
...y code doesn't feel as compact. It's also not as efficient since it first converts the values array into a shorter intermediate array containing the values greater than 15. Then, it takes the intermediate array and generates a final array containing the squares of the intermediates. The intermedi...
Find an element in a list of tuples
...s useful for any list of tuples where the size of each tuple is 2: you can convert your list into a single dictionary.
For example,
test = [("hi", 1), ("there", 2)]
test = dict(test)
print test["hi"] # prints 1
share
...
How to add one day to a date? [duplicate]
... avoid the java.util.Date class altogether. But if you must do so, you can convert between the troublesome old legacy date-time classes and the modern java.time classes. Look to new methods added to the old classes.
Instant
The Instant class, is close to being equivalent to Date, both being a mome...
Select objects based on value of variable in object using jq
...h key names, e.g. FOO, BAR)?
Jq provides to_entries and from_entries to convert between objects and key-value pair arrays. That along with map around the select
These functions convert between an object and an array of key-value
pairs. If to_entries is passed an object, then for each k: v ...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...ty as to the usage.
Example:
You want to generate random() colors. You convert three floating-point values to unsigned 8-bit values to generate a 24-bit pixel with red, green, and blue channels respectively. Depending on the interval output by random() you may end up with near-white (254,254,254...