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How do I restart a WPF application? [duplicate]
...een release in a timely fashion. As a result I put a value into Properties.Settings that indicates that the application is restarting. Before calling Application.Restart() the Properties.Settings value is set to true. In Program.Main() I also added a check for that specific property.settings value s...
Check if one IEnumerable contains all elements of another IEnumerable
...le<TSource> second, IEqualityComparer<TSource> comparer)
{
Set<TSource> set = new Set<TSource>(comparer);
foreach (TSource source in second)
set.Add(source);
foreach (TSource source in first)
{
if (set.Remove(source))
yield return s...
Show pending migrations in rails
Is there a rake task that shows the pending migrations in a rails app?
10 Answers
10
...
How do I show/hide a UIBarButtonItem?
... toolbar and animate it
[toolbarButtons removeObject:self.myButton];
[self setToolbarItems:toolbarButtons animated:YES];
// This is how you add the button to the toolbar and animate it
if (![toolbarButtons containsObject:self.myButton]) {
// The following line adds the object to the end of the ...
Python: Get the first character of the first string in a list?
... around the two conflicting worlds of Python's "list slicing, indexing, subsetting" and then Numpy's "masking, slicing, subsetting, indexing, then numpy's enhanced fancy indexing".
These two videos cleared things up for me:
"Losing your Loops, Fast Numerical Computing with NumPy" by PyCon 2015:
ht...
Undo “git add ”?
... i almost deleted my whole folder :S after this... doing a git reset HEAD folder fixed everything... but before doing this, do a git status folder, and make sure it says that it 'deleted' all the files on that folder
– Bengalaa
Nov 24 '16 at 0:52
...
How to validate GUID is a GUID
How to determine if a string contains a GUID vs just a string of numbers.
9 Answers
9
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Set value for particular cell in pandas DataFrame using index
...
RukTech's answer, df.set_value('C', 'x', 10), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
...
UITableViewCell subview disappears when cell is selected
... or highlighted ,You can Solve this problem by overriding Tableview cell's setSelected:animated and setHighlighted:animated and resetting view background color.
In Objective C :
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
UIColor *color = self.yourView.backgroundColor;
...
How to know if other threads have finished?
...ach Thread has completed, or
Unorthodox, for each Thread in question, call setUncaughtExceptionHandler to call a method in your object, and program each Thread to throw an uncaught Exception when it completes, or
Use locks or synchronizers or mechanisms from java.util.concurrent, or
More orthodox, c...