大约有 49,000 项符合查询结果(耗时:0.0611秒) [XML]
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...irst the printf and then puts and the retq return.
With __builtin_expect
Now replace if (i) with:
if (__builtin_expect(i, 0))
and we get:
0000000000000000 <main>:
0: 48 83 ec 08 sub $0x8,%rsp
4: 31 ff xor %edi,%edi
6: e8 00 0...
Draw radius around a point in Google map
I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
...
Good way of getting the user's location in Android
...rk(newer)");
return networkLocation;
}
}
/**
* get the last known location from a specific provider (network/gps)
*/
private Location getLocationByProvider(String provider) {
Location location = null;
if (!isProviderSupported(provider)) {
return null;
}
Locatio...
Amazon SimpleDB vs Amazon DynamoDB
...'s Summary suggests DynamoDB to be a good fit for applications of any size now accordingly:
Amazon DynamoDB is designed to maintain predictably high performance
and to be highly cost efficient for workloads of any scale, from the
smallest to the largest internet-scale applications.
...
JSON serialization of Google App Engine models
...([(p, unicode(getattr(self, p))) for p in self.properties()])
SimpleJSON now works properly:
class Photo(DictModel):
filename = db.StringProperty()
title = db.StringProperty()
description = db.StringProperty(multiline=True)
date_taken = db.DateTimeProperty()
date_uploaded = db.Date...
How do I get a class instance of generic type T?
...
The link in "Pure Java solution" is broken, it is now blog.xebia.com/acessing-generic-types-at-runtime-in-java
– Nick Breen
Sep 26 '17 at 21:33
1
...
How to sort a dataframe by multiple column(s)
...
The ggplot2 microbenchmark function above is now available as taRifx::autoplot.microbenchmark.
– Ari B. Friedman
Jun 1 '12 at 1:23
...
How to manually create icns files using iconutil?
... has been broken in El Capitan? Upgraded my Mac to 10.11.3 and this script now returns "error: Unsuported image format" then "/Users/IconScript/MyIcon-osx.iconset:error: Variant named 'icon' contains no image resources." then "MyIcon-osx.iconset:error: Failed to generate ICNS." Tried the same script...
What are the security risks of setting Access-Control-Allow-Origin?
...w-Origin to * in order to be able to make cross-subdomain ajax calls.
Now I can't help but feel that I'm putting my environment to security risks.
Please help me if I'm doing it wrong.
...
What is `git diff --patience` for?
...
In my experience with XML for now, it gives exactly the same "bad" results as a normal diff.
– stivlo
Jun 23 '11 at 14:25
5
...
