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What is the difference between square brackets and parentheses in a regex?
...on capturing group.
[abc] is a "character class" that means "any character from a,b or c" (a character class may use ranges, e.g. [a-d] = [abcd])
The reason these regexes are similar is that a character class is a shorthand for an "or" (but only for single characters). In an alternation, you can a...
Flex-box: Align last row to grid
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@DanAndreasson There are two issues, it does not start from the left (like space-between), and also the space between the items of the last row is different than in previous row (simulating some fixed width items in "any-size" grid - relates to both)... codepen.io/anon/pen/gPoYZE...
What are the differences between “=” and “
...ion). In fact, ?Syntax in R gives the following operator precedence table, from highest to lowest:
…
‘-> ->>’ rightwards assignment
‘<- <<-’ assignment (right to left)
‘=’ assignment (right to left)
…
But is this the only diff...
Eliminate extra separators below UITableView
...Load
{
[super viewDidLoad];
// This will remove extra separators from tableview
self.tableView.tableFooterView = [UIView new];
}
or if you prefer,
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
Historically in iOS:
Add to the table view controller...
How to force an entire layout View refresh?
...aw(Canvas) will be called at some point in the future. This must be called from a UI thread. To call from a non-UI thread, call postInvalidate().
ViewGroup vg = findViewById (R.id.mainLayout);
vg.invalidate();
Now, when the Activity resumes, it makes every View to draw itself. No call to inval...
Batch Renaming of Files in a Directory
...c, movie, and
picture files named a certain way.
When I download files from the
internet, they usually don’t follow my
naming convention. I found myself
manually renaming each file to fit my
style. This got old realy fast, so I
decided to write a program to do it
for me.
This ...
How do I resolve ClassNotFoundException?
...
A classpath is a list of locations to load classes from.
These 'locations' can either be directories, or jar files.
For directories, the JVM will follow an expected pattern for loading a class. If I have the directory C:/myproject/classes in my classpath, and I attempt to...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...mmit enforcement. Moreover, I'm not sure how much control you truly have, from within your container, over swap and overcommit configuration (in order to influence the outcome of the enforcement.)
Now, in order to actually move forward I'd say you're left with two options:
switch to a larger ins...
How to delete multiple buffers in Vim?
...
:3,5bd[elete]
Will delete buffer range from 3 to 5 .
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How do I tell Gradle to use specific JDK version?
... build jobs... I think Gradle really needs to pick the Java Home directory from the system's configuration!
– Markus L
Jul 20 '16 at 12:39
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