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When to use f:viewAction / preRenderView versus PostConstruct?
...s particularly useful if you want to perform actions based on model values set by <f:viewParam> during update model values phase. Namely, they are not available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If th...
Stashing only un-staged changes in Git
...e index'
git stash push -u -m 'Unstaged changes and untracked files'
git reset --soft HEAD^
This will do exactly what you want.
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Listing only directories in UNIX
I want to list only the directories in specified path ( ls doesn't have such option).
Also, can this be done with a single line command?
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How do you count the lines of code in a Visual Studio solution?
Is it possible to find the number of lines of code in an entire solution? I've heard of MZ-Tools , but is there an open source equivalent?
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How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this:
9 Answers
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Why doesn't this code simply print letters A to Z?
This snippet gives the following output (newlines are replaced by spaces):
13 Answers
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ansible: lineinfile for several lines?
...n use a loop to do it. Here's an example using a with_items loop:
- name: Set some kernel parameters
lineinfile:
dest: /etc/sysctl.conf
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
with_items:
- { regexp: '^kernel.shmall', line: 'kernel.shmall = 2097152' }
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What generates the “text file busy” message in Unix?
... I don't think chmod would return before the permissions were set. That might be a filesystem issue.
– Penz
Oct 2 '17 at 15:02
Best approach for designing F# libraries for use from both F# and C#
...ce and ignore it internally. YMMV.
It makes a lot of sense to use list/map/set internally. They can all be exposed through the public interface as IEnumerable<_>. Also, seq, dict, and Seq.readonly are frequently useful.
See #6.
Which strategy you take depends on the type and size of your lib...
What is the difference between self-types and trait subclasses?
A self-type for a trait A :
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