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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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...
Preferred Github workflow for updating a pull request after code review
...pull request and push the branch to GitHub. The pull request will automatically be updated with the additional commit.
#2 and #3 are unnecessary. If people want to see only where your branch was merged in (and not the additional commits), they can use git log --first-parent to only view the merge c...
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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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?
...
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...
Class 'DOMDocument' not found
...dom in Configure Command, what should i do next?
– ws_123
Jan 18 '13 at 9:38
That depends on your system. Worst case y...
UITableViewCell Separator disappearing in iOS7
...
I dumped the subview hierarchy of affected cells and found that the _UITableViewCellSeparatorView was set to hidden. No wonder it's not shown!
I overrode layoutSubviews in my UITableViewCell subclass and now the separators are displayed reliably:
Objective-C:
- (void)layoutSubviews {
[...
Refresh image with a new one at the same url
... + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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