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Split list into smaller lists (split in half)
...6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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Repeat String - Javascript
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Actually, both of your arguments apply to the global namespace as well. If I'm going to expand a namespace and have potential collisions, I'd rather do it 1) not in global 2) in one that is relevant and 3) is easy to refactor. ...
Rspec, Rails: how to test private methods of controllers?
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Use #instance_eval
@controller = AccountController.new
@controller.instance_eval{ current_account } # invoke the private method
@controller.instance_eval{ @current_account }.should eql ... # check the value of the instance...
How to use CURL via a proxy?
I am looking to set curl to use a proxy server. The url is provided by an html form, which has not been a problem. Without the proxy it works fine. I have found code on this and other sites, but they do not work. Any help in finding the correct solution would be much appreciated. I feel that the bel...
嵌套块验证失败：未知的代码块类型: procedures_ifreturn，已拒绝添加 - AI...
...块视图
✗ 嵌套块验证失败：未知的代码块类型: procedures_ifreturn，已拒绝添加
✓ 代码块已整理
[
{
"action": "SWITCH_TO_BLOCKS"
},
{
"action": "ADD_BLOCK"...
month name to month number and vice versa in python
...calendar module:
import calendar
{v: k for k,v in enumerate(calendar.month_abbr)}
Before Python (2.7+) you would do
dict((v,k) for k,v in enumerate(calendar.month_abbr))
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No Exception while type casting with a null in java
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You can cast null to any reference type without getting any exception.
The println method does not throw null pointer because it first checks whether the object is null or not. If null then it simply prints the string "null". ...
Adding header for HttpURLConnection
...oder().encodeToString((username+":"+password).getBytes(StandardCharsets.UTF_8));
httpConn.setRequestProperty ("Authorization", "Basic "+basicAuth);
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How to flip UIImage horizontally?
...anymore, at least with camera taken pictures...
– Oni_01
Jun 25 '19 at 14:22
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Switching to a TabBar tab view programmatically?
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Like Stuart Clark's solution but for Swift 3:
func setTab<T>(_ myClass: T.Type) {
var i: Int = 0
if let controllers = self.tabBarController?.viewControllers {
for controller in controllers {
if let nav = controller as? UINavigationController, nav.topViewCont...