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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...o int* masks the fact that without the proper #include the return type of malloc is assumed to be int. IA-64 happens to have sizeof(int) < sizeof(int*) which makes this problem obvious.
(Note also that because of the undefined behaviour it could still fail even on a platform where sizeof(int)==...
What do the f and t commands do in Vim?
... information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks!
...
Literal notation for Dictionary in C#?
...gt; object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val2" }
};
In C# 6, you now have the option of using a more intuitive syntax with Dictionary as well as any o...
Revert a range of commits in git
...g for:
git revert B^..D
B^ means "the first parent commit of B": that allows to include B in the revert.
See "git rev-parse SPECIFYING REVISIONS section" which include the <rev>^, e.g. HEAD^ syntax: see more at "What does the caret (^) character mean?")
Note that each reverted commit is ...
How to include layout inside layout?
...sing Layouts
Although Android offers a variety of widgets to provide small and
re-usable interactive elements, you might also need to re-use larger
components that require a special layout. To efficiently re-use
complete layouts, you can use the tag to embed another
layout inside the cu...
How do I enter RGB values into Interface Builder?
... Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this?
5...
Undo git stash pop that results in merge conflict
...
Excellent thanks! #6 is really the answer I was looking for. Could add a git stash drop as the last step to get rid of the unwanted stash from #2.
– austinmarton
Oct 17 '14 at 0:39
...
How to cancel a local git commit
...
By the way, this is called --mixed in the manual.
– Josh Lee
Jan 31 '11 at 17:58
11
...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...
I found a faster way to solve the problem, at least on realistically large datasets using:
df.set_index(KEY).to_dict()[VALUE]
Proof on 50,000 rows:
df = pd.DataFrame(np.random.randint(32, 120, 100000).reshape(50000,2),columns=list('AB'))
df['A'] = df['A'].apply(chr)
%timeit dict(zip(df...
What does -save-dev mean in npm install grunt --save-dev
...v: Package will appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that you use.
In other wor...