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Create nice column output in python
...
Since Python 2.6+, you can use a format string in the following way to set the columns to a minimum of 20 characters and align text to right.
table_data = [
['a', 'b', 'c'],
['aaaaaaaaaa', 'b', 'c'],
['a', 'bbbbbbbbbb', 'c']
]
for row in table_data:
...
App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
...键值的列表
getResultValue 方法将与指定键关联的值作为 String 返回
getResultObject 方法将与指定键关联的值作为 object 返回，即与被启动的应用程序存储的数据类型相同
关于Intent
Android使用 Intent 对象向系统发送...
Print array elements on separate lines in Bash?
... the format for the printf function's output. %s means a placeholder for a string argument (in this case the array element) and \n adds a line break after that. Thus, there will be a string and a line break in the output for each element in the array.
– Koja
Ap...
Making a property deserialize but not serialize with json.net
...{ get; set; }
}
enum Fizz { Alpha, Beta, Gamma }
class Bang
{
public string Value { get; set; }
}
And you want to do this:
string json = @"{ ""ObsoleteSetting"" : ""Gamma"" }";
// deserialize
Config config = JsonConvert.DeserializeObject<Config>(json);
// migrate
config.ReplacementS...
How do I use itertools.groupby()?
... # equivalent
>>> def islower(s):
... """Return True if a string is lowercase, else False."""
... return s.islower()
>>> print_groupby(sorted("bCAaCacAADBbB"), keyfunc=islower)
key: 'False'--> group: ['A', 'A', 'A', 'B', 'B', 'C', 'C', 'D']
key: 'True'--> group...
How do I display an alert dialog on Android?
...ismissed when a dialog button is clicked.
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Continue with delete operation
}
})
// A null listener allows the button t...
What does “abstract over” mean?
...he two final examples a Set or some other foldable type. An example with a String and concatenation would also be pretty cool.
– Daniel C. Sobral
Jan 22 '11 at 22:48
1
...
What does a b prefix before a python string mean?
In a python source code I stumbled upon I've seen a small b before a string like in:
2 Answers
...
Odd behavior when Java converts int to byte?
...e number as negative
public class castingsample{
public static void main(String args[]){
int i;
byte y;
i = 1024;
for(i = 1024; i > 0; i-- ){
y = (byte)i;
System.out.print(i + " mod 128 = " + i%128 + " also ");
System.out.println(i + " cast to byte " + " = " ...
How do you create a REST client for Java? [closed]
...e = client.resource("http://localhost:8080");
// lets get the XML as a String
String text = resource("foo").accept("application/xml").get(String.class);
BTW I hope that future version of JAX-RS add a nice client side API along the lines of the one in Jersey
...