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How to set timeout for http.Get() requests in Golang?
... Dial: dialTimeout,
}
client := http.Client{
Transport: &transport,
}
resp, err := client.Get("http://some.url")
}
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Covariance, Invariance and Contravariance explained in plain English?
... say it is used to decide whether a method is overwritten or overloaded.
All of the above.
At heart, these terms describe how the subtype relation is affected by type transformations. That is, if A and B are types, f is a type transformation, and ≤ the subtype relation (i.e. A ≤ B means that ...
Finding what branch a Git commit came from
...
This simple command works like a charm:
git name-rev <SHA>
For example (where test-branch is the branch name):
git name-rev 651ad3a
251ad3a remotes/origin/test-branch
Even this is working for complex scenarios, like:
origin/branchA/
/branchB
/commit&...
How to put Google Maps V2 on a Fragment using ViewPager
... of Google for Maps, only MapView is supported for fragments. MapFragment & SupportMapFragment doesn't work. I might be wrong but this is what I saw after trying to implement MapFragment & SupportMapFragment.
Setting up the layout for showing the map in the file location_fragment.xml:
<...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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00000110 55 50 58 20 54 65 61 6D 2E 20 41 6C 6C 20 52 69 UPX Team. All Ri
00000120 67 68 74 73 20 52 65 73 65 72 76 65 64 2E 20 24 ghts Reserved. $
从上面的信息中可以看到程序被UPX压缩了，接下来请确信你系统中已有UPX，如果没有请到上面给...
Is there a UIView resize event?
...SDictionary *)change context:(void *)context
{
if (object == yourView && [keyPath isEqualToString:@"bounds"]) {
// do your stuff, or better schedule to run later using performSelector:withObject:afterDuration:
}
}
...
Get event listeners attached to node using addEventListener
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This is a private and deprecated interface & it may go away soon so don't rely on that.
– mgol
Apr 30 '14 at 23:42
1
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Get last field using awk substr
...
this worked for me when receiving from piped input. Totally forgot about perl.
– Chris
May 23 '18 at 21:46
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mongodb count num of distinct values per field/key
Is there a query for calculating how many distinct values a field contains in DB.
5 Answers
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Finding Variable Type in JavaScript
...rop = prop;
}
var obj = new MyObj(10);
console.log(obj instanceof MyObj && obj instanceof Object); // outputs true
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