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How do I use CMake?
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What is the Makefile? Where do I find the project/solution file for visualstudio?
– lital maatuk
Oct 22 '11 at 13:00
3
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How to “return an object” in C++?
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I don't want to return a copied value because it's inefficient
Prove it.
Look up RVO and NRVO, and in C++0x move-semantics. In most cases in C++03, an out parameter is just a good way to make your code ugly, and in C++0x you...
iterating over and removing from a map [duplicate]
I was doing:
12 Answers
12
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ansible: lineinfile for several lines?
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You can 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:
- { re...
Haskell, Lisp, and verbosity [closed]
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Short answer:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static ...
How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
...drawables, one for each of left, top, right and bottom.
In your case, you do not need the LinearLayout and ImageView at all. Just add android:drawableLeft="@drawable/up_count_big" to your TextView.
See TextView#setCompoundDrawablesWithIntrinsicBounds for more info.
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How do I parse XML in Python?
...xml').getroot()
Or any of the many other ways shown at ElementTree. Then do something like:
for type_tag in root.findall('bar/type'):
value = type_tag.get('foobar')
print(value)
And similar, usually pretty simple, code patterns.
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Most efficient way to cast List to List
...ch assumes that everything in the list is a SubClass.
Generic collections do not behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this:
SubClass[] subs = ...;
BaseClass[] bases = subs;
This is allowed, because the array "knows" the type of its elements. If so...
Why is extending native objects a bad practice?
... leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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Footnotes for tables in LaTeX
When I do \footnote{} for a value in a table, the footnote doesn't show up. How do I get it to show up? Also, is it possible to get it to show up at the bottom of the table rather than the bottom of the page?
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