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When and why would you seal a class?
...he keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stops inheritance.
Is ...
How can I see incoming commits in git? [duplicate]
...in git because you can (and I often do) have multiple repos you're pulling from, and each repo has multiple branches.
If there were an equivalent of hg's incoming command, it'd probably be this:
git fetch && git log ..origin/master
That is, "go grab all of the stuff from the upstream, an...
Why is Python running my module when I import it, and how do I stop it?
...t to run your modules when it imports them.
To prevent code in the module from being executed when imported, but only when run directly, you can guard it with this if:
if __name__ == "__main__":
# this won't be run when imported
You may want to put this code in a main() method, so that you c...
requestFeature() must be called before adding content
...ntext) {
super(context);
LayoutInflater li = LayoutInflater.from(context);
content = li.inflate(R.layout.custom_view, null);
setUpAdditionalStuff(); // do more view cleanup
setView(content);
}
private void setUpAdditionalStuff() {
// ...
...
Shell command to tar directory excluding certain files/folders
... simple shell command/script that supports excluding certain files/folders from being archived?
27 Answers
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Git production/staging server workflow
...e web site to a local disc, if I don't already have it.
2. clone the repo from production to staging server
You should probably have a "central" repo separate from both the production and the staging server. That one can be cloned and pushed as needed.
3. developers clone the repo from the stagin...
How to enter in a Docker container already running with a new TTY
...service in the foreground. I would like to be able to access the container from another shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run any commands.
...
What differences, if any, between C++03 and C++11 can be detected at run-time?
...
I got an inspiration from What breaking changes are introduced in C++11?:
#define u8 "abc"
bool isCpp0x() {
const std::string s = u8"def"; // Previously "abcdef", now "def"
return s == "def";
}
This is based on the new string literals t...
Remove white space below image [duplicate]
...
That works, but I used the other answer below from Hasan Gürsoy, since his answer doesn't cause problems with text-align:center and other issues that occur when changing the display property.
– Doug S
Nov 21 '13 at 17:03
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What does it mean if a Python object is “subscriptable” or not?
...ce encourages Duck Typing. Meaning, if you plan on trying to fetch an item from your object using a subscript, go ahead and do it; if you think it might not work because the object is not subscriptable, wrap it in a try block with an except TypeError.
– Mark Reed
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