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What does android:layout_weight mean?
...zed columns. Each table row is a horizontal linear layout with two "table cells" (for example, TextViews), each one having layout_weight=.5. If you specify layout_width="wrap_content" on the "table cells," the content width will be added to the width calculated by layout_weight, the table cells wi...
#pragma mark in Swift?
... return 5
}
override func tableView(tableView: UITableView?, cellForRowAtIndexPath indexPath: NSIndexPath?) -> UITableViewCell? {
let cell = tableView?.dequeueReusableCellWithIdentifier("myCell", forIndexPath: indexPath) as UITableViewCell;
cell.textLabel.text = "He...
Is a DIV inside a TD a bad idea?
...div is to determine its width from its parent, and the default for a table cell is to determine its size depending on the size of its content.
The rules for how a div should be sized is well defined in the standards, but the rules for how a td should be sized is not as well defined, so different br...
'Incomplete final line' warning when trying to read a .csv file into R
... 5 NA
6 NA 6 NA
The csv format saved by excel seperates all cells with a comma. Empty cells just don't have a value. read.table() can easily deal with this, and recognizes empty cells just fine.
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Command line CSV viewer? [closed]
... nice and pretty inside of a read-only vim instance, even if you have some cells with very long values.
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What do (lambda) function closures capture?
...is in a closure?
>>> print f_1.func_closure, f_1.func_closure[0].cell_contents
(<cell at 0x106a99a28: int object at 0x7fbb20c11170>,) 43
Notably, my_str is not in f1's closure.
What's in f2's closure?
>>> print f_2.func_closure, f_2.func_closure[0].cell_contents
(<ce...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
... App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前端页面
CustomWebView 拓展
属性
事件
方法
BrowserPromptHelper
属性
事件
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How to elegantly ignore some return values of a MATLAB function?
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Here's another option you can use. First make a cell array to capture all the outputs (you can use the NARGOUT function to determine how many outputs a given function returns):
a = cell(1,3); % For capturing 3 outputs
% OR...
a = cell(1,nargout(@func)); % For capturing ...
can we use xpath with BeautifulSoup?
...dy')
for elem in td_empformbody(tree):
# Do something with these table cells.
Coming full circle: BeautifulSoup itself does have very complete CSS selector support:
for cell in soup.select('table#foobar td.empformbody'):
# Do something with these table cells.
...
Performance of Arrays vs. Lists
...smallest RAM range for same amount information.
If you know exact count of cells needed
If data saved in array < 85000 b (85000/32 = 2656 elements for integer data)
If needed high Random Access speed
List need to use:
If needed to add cells to the end of list (often)
If needed to add cells in ...