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How can I install a .ipa file to my iPhone simulator
... and copied it over to my desktop.
After that I changed the extension to .zip and extracted it.
Next I found the Payload folder and moved the application inside to my desktop.
Finally I moved that application to my iPhone simulators applications folder found at:
HD
> Applications
> Xcod...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...y, e.g. C:\Chrome\.
Extract the installer (=without installing), using 7-Zip for example. After extracting, a chrome.7z archive is
created. Also extract this file, and descend the created Chrome-bin
directory. Now, you see chrome.exe and a dir like 18.0.1025.45.
Move chrome.exe to 18.0...
“Invalid signature file” when attempting to run a .jar
... {
from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
}
exclude 'META-INF/*.RSA', 'META-INF/*.SF','META-INF/*.DSA'
}
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...复制除外）。所以一开始我们犯了一个天真的用法错误：把所有不同类型的数据都放在了一组 Redis 集群中。
长生命周期的用户状态数据
临时缓存数据
后台统计用的流水数据
导致的问题就是当你想扩分片的时候，客户端 H...
MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...义：
Format("this is %1:d %0:d",12,13);
那么返回的字符串就变成了
this is 13 12
现在明白了吗？
[index ":"] 中的index指示Args中参数显示的顺序
还有一种情况，如果这样Format("%d %d %d %0:d %d", 1, 2, 3, 4) ;
将返回1 2 3 1 2。
如果你想...
Fastest check if row exists in PostgreSQL
...mit it to 1 row. Should perform better. Have a look at edited answer from @aix for that.
– Fabian Barney
Sep 19 '11 at 13:44
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How to iterate a loop with index and element in Swift
... }
}
}
Another possible implementation as suggested by Alex is to zip the collection indices with its elements:
extension Collection {
func indexedElements(body: ((index: Index, element: Element)) throws -> Void) rethrows {
for element in zip(indices, self) { try body(element...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...而不是创建一个重复的对象。
一个稍微激进点的做法是把所有多维的数据分解成1维的数组:
一组int数据要比一组Integer对象要好很多。可以得知，两组1维数组要比一个2维数组更加的有效率。同样的，这个道理可以推广至其他原...
怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...息而且不一定马上就能处理完并返回，这个消息队列我们把它叫做消息分发队列或者简称分发队列用来与系 统的消息队列区分，注意分发队列里面的消息都是已经格式化后的消息，分发给谁呢？当然是分发给消息的回调函数了...
MySQL Great Circle Distance (Haversine formula)
...had to work this out in some detail, so I'll share my result. This uses a zip table with latitude and longitude tables. It doesn't depend on Google Maps; rather you can adapt it to any table containing lat/long.
SELECT zip, primary_city,
latitude, longitude, distance_in_mi
FROM (
SELECT ...