大约有 5,570 项符合查询结果（耗时：0.0270秒） [XML]
Adding iOS UITableView HeaderView (not section header)
... UILabel *headerLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 5,100,20)];
headerLabel.textAlignment = NSTextAlignmentRight;
headerLabel.text = @"LeadCode ";
//headerLabel.textColor=[UIColor whiteColor];
headerLabel.backgroundColor = [UIColor clearColor];
[headerView...
Android - how do I investigate an ANR?
...oadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
// Escape early if cancel() is called
if (isCancelled()) break;
}
return totalSize;
}
// This is called each time you call publishProgress()
protected void onProgres...
Add margin above top ListView item (and below last) in Android
...r even better (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 100, getResources().getDisplayMetrics());
– Eugen Pechanec
Sep 29 '14 at 13:04
1
...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...
Almost same for me. It worked flawlessly for 100+ migrations(including ~20 data migrations) until today, while adding unique together constraint along with data migration removing duplicates before it. PostgreSQL 10.0
– LinPy fan
A...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...ring data. Here's an example,
df2 = df.assign(D=list('aaabbccc')).sample(n=100, replace=True)
with pd.option_context('precision', 2):
display(df2.groupby(['A', 'B'])
.describe(include='all')
.dropna(how='all', axis=1))
C ...
How to organize large R programs?
...the interpreter much more robust than before. There is no doubt that R is 100-300x slower than C, but usually the bottleneck is concentrated around a few lines of code, which can be delegated to C/C++. I think it would be a mistake to delegate the strengths of R in data manipulation and statistical...
ggplot with 2 y axes on each side and different scales
...= "Productivity % of best",
labels = function(b) { paste0(round(b * 100, 0), "%")})) +
theme(
axis.title.y = element_text(color = "grey"),
axis.title.y.right = element_text(color = "blue"))
Here's the result (above code + some color tweaking):
The point (aside from using ...
OOP vs Functional Programming vs Procedural [closed]
...
String processing is awesomely done in perl (100x better than in Java, C++ or C#) yet the string functionality of the language is absolutely NOT object oriented. C's string handling was terrible, but then C is not the only procedural language (nor the best).
...
Where is the WPF Numeric UpDown control?
...ss NumericUpDown : UserControl
{
int minvalue = 0,
maxvalue = 100,
startvalue = 10;
public NumericUpDown()
{
InitializeComponent();
NUDTextBox.Text = startvalue.ToString();
}
private void NUDButtonUP_Click(object sender, RoutedEventArgs e)
{
...
Comparing date part only without comparing time in JavaScript
...
got a 100x speedup moving from a momentjs solution to a Date() + sethours solution. careful friends :-)
– 2c2c
Aug 11 '17 at 12:57
...