大约有 44,000 项符合查询结果（耗时：0.0233秒） [XML]
Should Gemfile.lock be included in .gitignore?
...ndler docs address this question as well:
ORIGINAL: http://gembundler.com/v1.3/rationale.html
EDIT: http://web.archive.org/web/20160309170442/http://bundler.io/v1.3/rationale.html
See the section called "Checking Your Code into Version Control":
After developing your application for a while, ...
awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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How to wait for several Futures?
...lt;- func2.concurrently
f3 <- func3.concurrently
} yield for {
v1 <- f1
v2 <- f2
v3 <- f3
} yield (v1,v2,v3)
}.future
f.onFailure { case t => println("future failed $t") }
In the example above, f1,f2 and f3 will run concurrently and if any fail in any order the futu...
What is the best way to detect a mobile device?
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100
Why not: if( screen.width <= 480 ) { // is mobile }
– andrewrjones
Jan 20 '13 at 1:05
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How to clone all remote branches in Git?
...-a
* master
remotes/origin/HEAD
remotes/origin/master
remotes/origin/v1.0-stable
remotes/origin/experimental
If you just want to take a quick peek at an upstream branch, you can check it out directly:
$ git checkout origin/experimental
But if you want to work on that branch, you'll need to...
Index all *except* one item in python
...at if variable is list of lists, some approaches would fail.
For example:
v1 = [[range(3)] for x in range(4)]
v2 = v1[:3]+v1[4:] # this fails
v2
For the general case, use
removed_index = 1
v1 = [[range(3)] for x in range(4)]
v2 = [x for i,x in enumerate(v1) if x!=removed_index]
v2
...
Good Java graph algorithm library? [closed]
...new SimpleGraph<String, DefaultEdge>(DefaultEdge.class);
String v1 = "v1";
String v2 = "v2";
String v3 = "v3";
String v4 = "v4";
// add the vertices
g.addVertex(v1);
g.addVertex(v2);
g.addVertex(v3);
g.addVertex(v4);
// add edges to create a circuit
...
Why is rbindlist “better” than rbind?
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By v1.9.2, rbindlist had evolved quite a bit, implementing many features including:
Choosing the highest SEXPTYPE of columns while binding - implemented in v1.9.2 closing FR #2456 and Bug #4981.
Handling factor columns ...
angular ng-repeat in reverse
...fter a year, but there is an new, easier solution, which works for Angular v1.3.0-rc.5 and later.
It is mentioned in the docs:
"If no property is provided, (e.g. '+') then the array element itself is used to compare where sorting". So, the solution will be:
ng-repeat="friend in friends | orderBy...
'App not Installed' Error on Android
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Before I only had V2 (Full APK Signature) selected, but after selecting V1 Jar Signature as well, I was able to successfully install my signed APK on my 4.4.2 device. Hope this helps others!
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