大约有 42,000 项符合查询结果(耗时:0.0464秒) [XML]
To ARC or not to ARC? What are the pros and cons? [closed]
...bases. Some of my projects run on 10.4, so I still do a lot of Objective-C 1.0 work (so no @synthesize, let alone ARC). But you get used to switching modes pretty well.
– Rob Napier
Jan 6 '12 at 17:31
...
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
...d to IReactorProcess.spawnProcess.
I'm personally currently using Gevent 1.0rc2 with Twisted 12.3 bridged by geventreactor. I have implemented my own as-of-yet unpublished additions and enhancements to geventreactor which I will publish soon, hopefully as part of geventreactor's original GitHub re...
How do browsers pause/change Javascript when tab or window is not active?
...r interval for background tabs.
const double kBackgroundTabTimerInterval = 1.0;
https://codereview.chromium.org/6546021/patch/1001/2001
Firefox
Similar to Chrome, Firefox limits the minimum interval of setInterval to around 1000ms when the tab (not the window) is inactive. However, requestAnimati...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...iends who have authorised the app only.
The apps that are using Graph API 1.0 will be working till April 30th, 2015 and after that it will be deprecated.
See the following to get more details on this:
User Friends
Facebook Application Development FAQ
...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ws
floating point numbers to be specified
in scientific notation, like 1.0e-34
and 10e100. The LC_NUMERIC locale
determines the decimal-point
character. Do not report overflow,
underflow, or conversion errors. Use
the following collating sequence:
Lines that do not start with number...
How to securely store access token and secret in Android?
... 16
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
// Create BuildConfig variables
buildConfigField "String", "ACCESS_TOKEN", keystoreProperties["ACCESS_TOKEN"]
bu...
How to read a .xlsx file using the pandas Library in iPython?
... for sheet_name in xl_file.sheet_names}
Update: In pandas version 0.21.0+ you will get this behavior more cleanly by passing sheet_name=None to read_excel:
dfs = pd.read_excel(file_name, sheet_name=None)
In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated ...
C++11 rvalues and move semantics confusion (return statement)
...}
std::vector vec;
for(int x=0; x<10; ++x)
{
MyExpensiveType temp(1.0, 3.0);
temp.initSomeOtherFields(malloc(5000));
// old way, passed via const reference, expensive copy
vec.push_back(temp);
// new way, passed via rvalue reference, cheap move
// just don't use temp a...
Enable access control on simple HTTP server
...'). I'm running OS X 10.10.1 with Python 2.7.6. Any suggestions? HTTP/1.0 501 Unsupported method ('OPTIONS') Server: SimpleHTTP/0.6 Python/2.7.6 Date: Wed, 21 Jan 2015 23:16:10 GMT Content-Type: text/html Connection: close Access-Control-Allow-Origin: *
...
Is gcc std::unordered_map implementation slow? If so - why?
... + finish.tms_stime - start.tms_stime)
/ (1.0 * ticks_per_second))
<< " " << m << std::endl;
}
I used a SIZE of 10000000, and had to change things a bit for my version of boost. Also note, I pre-sized the hash table to match SIZE/DEP...
