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Aborting a stash pop in Git
...othing to commit (working directory clean)
$ git stash apply
Auto-merging foo.c
# On branch trunk
# Changed but not updated:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working directory)
#
# modified: ...
Installing Python packages from local file system folder to virtualenv with pip
...:
.
└───requirements.txt
└───requirements
├───foo_bar-0.1.5-py2.py3-none-any.whl
├───foo_bar-0.1.6-py2.py3-none-any.whl
├───wiz_bang-0.7-py2.py3-none-any.whl
├───wiz_bang-0.8-py2.py3-none-any.whl
├───base.txt
├──...
PostgreSQL function for last inserted ID
... clause in INSERT statement,just like the following
wgzhao=# create table foo(id int,name text);
CREATE TABLE
wgzhao=# insert into foo values(1,'wgzhao') returning id;
id
----
1
(1 row)
INSERT 0 1
wgzhao=# insert into foo values(3,'wgzhao') returning id;
id
----
3
(1 row)
INSERT 0 1
wgzh...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...
Now, my controller (or whatever POJO) would look like this:
public class FooController {
private final SecurityContextFacade securityContextFacade;
public FooController(SecurityContextFacade securityContextFacade) {
this.securityContextFacade = securityContextFacade;
}
public void d...
Why aren't variable-length arrays part of the C++ standard?
...a new syntax for declaring functions that take 2D VLAs as parameters: void foo(int n, int A[][*]).
Less importantly in the C++ world, but extremely important for C's target audience of embedded-systems programmers, declaring a VLA means chomping an arbitrarily large chunk of your stack. This is a gu...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...:
C# Generics allow you to declare something like this.
List<Person> foo = new List<Person>();
and then the compiler will prevent you from putting things that aren't Person into the list.
Behind the scenes the C# compiler is just putting List<Person> into the .NET dll file, but at...
How to save a data.frame in R?
...ys. One way is to use save() to save the exact object. e.g. for data frame foo:
save(foo,file="data.Rda")
Then load it with:
load("data.Rda")
You could also use write.table() or something like that to save the table in plain text, or dput() to obtain R code to reproduce the table.
...
How to reset Jenkins security settings from the command line?
...lt:sha256("password{salt}")
So, if your salt is bar and your password is foo then you can produce the SHA256 like this:
echo -n 'foo{bar}' | sha256sum
You should get 7f128793bc057556756f4195fb72cdc5bd8c5a74dee655a6bfb59b4a4c4f4349 as the result. Take the hash and put it with the salt into <p...
Can I use conditional statements with EJS templates (in JMVC)?
...t, write the conditional inline? That is writing <% if (true) { include foo/bar } %> appears to error. Is there a method similar or is it necessary to break out the include by <% %>.
– kuanb
Sep 12 '16 at 21:48
...
How to check if a string contains a substring in Bash
...you can get a similar effect with a case statement:
case "$string" in
*foo*)
# Do stuff
;;
esac
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