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Finding what branch a Git commit came from
...61-g84e48b6 is on v2.6.12-n
[...]
This program does not take into account the effects of cherry-picking the commit of interest, only merge operations.
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Detect if stdin is a terminal or pipe?
...
./test /dev/tty OK YES S_ISCHR
./test ≺ test.cc /dev/tty OK NO S_ISREG
cat test.cc | ./test /dev/tty OK NO S_ISFIFO
echo ./test | at now /dev/tty FAIL NO S_ISREG
The results are from a Ubuntu Linux 11.04 system using followi...
How update the _id of one MongoDB Document?
...store the document in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
// insert the document, using the new _id
db.clients.insert(doc)
// remove the document with the old _id
db.client...
Automatically plot different colored lines
...ould use a colormap such as HSV to generate a set of colors. For example:
cc=hsv(12);
figure;
hold on;
for i=1:12
plot([0 1],[0 i],'color',cc(i,:));
end
MATLAB has 13 different named colormaps ('doc colormap' lists them all).
Another option for plotting lines in different colors is to use ...
创业第一年 太特么累了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，从开着宝马来玩票的美女到坐着高铁从另一城市赶来的学生团队，怀揣各种追求，大部分还是满靠谱的。愿意来的其实我都想要，但只能找最合适的。要怎么才能做到？一开始就是凭感觉，看谁顺眼就想招谁。但慢慢的发现这...
Add shadow to custom shape on Android
...shape android:shape="rectangle" >
<solid android:color="#cc2b2b" />
<corners android:radius="8dp" />
</shape>
</item>
<!-- over left shadow -->
<item>
<shape android:shape="rectangle" >
<...
技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...
...高考考了三次，和他一起创业的十八罗汉大部分都是他的学生和以前创业公司的下属。看到这里也许大家就明白了，其实刚开始创业我们不需要特别出类拔尖的人才，只要这些人能够互补并且有好的潜力就可以了。当然如果有很...
How can I access my localhost from my Android device?
I'm able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
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Foreign keys in mongo?
...
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "ph...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
... an instance
function ic() { return typeof receiver.foo; } // perform access
ic();
ic();
return o;
eval("o" + o); // ensure no dead code elimination
}
Sans one or two small optimizations - all the below is still valid.
Let's first discuss what it does and why that's faster and ...