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Docker how to change repository name or rename image?
...host OS and Docker version? I suspect that something about your Docker installation is modifying the tag instruction.
– Andy
Feb 18 '16 at 2:41
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Custom thread pool in Java 8 parallel stream
Is it possible to specify a custom thread pool for Java 8 parallel stream ? I can not find it anywhere.
15 Answers
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What is the curiously recurring template pattern (CRTP)?
... curiously recurring, isn't it? :)
Now, what does this give you? This actually gives the X template the ability to be a base class for its specializations.
For example, you could make a generic singleton class (simplified version) like this
template <class ActualClass>
class Singleton
{
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Button in a column, getting the row from which it came on the Click event handler
...WPF Datagrid to a List of Objects returned from my DAL. I've also added an extra column which contains a button, the xaml is below.
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How and/or why is merging in Git better than in SVN?
...in Git, and then check the result in, perhaps using multiple commits, some extra branches. If you can imagine an automated way to turn an SVN problem into a Git problem, then Git has no fundamental advantage.
At the end of the day, any version control system will let me
1. Generate a set of object...
How to delete a file or folder?
... (where you'd need to either double up your backslashes like \\ or use raw strings, like r"foo\bar"):
from pathlib import Path
# .home() is new in 3.5, otherwise use os.path.expanduser('~')
directory_path = Path.home() / 'directory'
directory_path.mkdir()
file_path = directory_path / 'file'
file_...
AngularJS - How to use $routeParams in generating the templateUrl?
...ust use the "template:" key instead of "templateUrl" and provide it with a string containing the html one-liner ;-)
– DominikGuzei
Oct 29 '12 at 10:11
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Iterating over each line of ls -l output
... instead of parsing output of "ls -l" line by line, you could iterate over all files and do an "ls -l" for each individual file like this:
for x in * ; do echo `ls -ld $x` ; done
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How to validate an Email in PHP?
...hould be replaced by the preg family (PCRE Regex Functions). There are a small amount of differences, reading the Manual should suffice.
Update 1: As pointed out by @binaryLV:
PHP 5.3.3 and 5.2.14 had a bug related to
FILTER_VALIDATE_EMAIL, which resulted in segfault when validating
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Ruby - test for array
...'abc'.size both work, but 'abc'.count doesn't work like that).
Caution: a string is_a? Enumerable, so perhaps this isn't what you want... depends on your concept of an array like object.
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