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Are there strongly-typed collections in Objective-C?
I'm new to Mac/iPhone programming and Objective-C. In C# and Java we have "generics", collection classes whose members can only be of the type declared. For example, in C#
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Postgresql: password authentication failed for user “postgres”
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What about on mac?
– AustinT
Apr 20 '16 at 1:55
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...情况等。
一些特殊的场景，比如说证券交易公司的交易系统，这些公司的某些模型会基于实时的行情或者指数进行计算，通过RTD获取这些基础数据的实时数据之后，在此基础上可以进行动态的建模和分析。
异步的，耗时的数...
How to exit in Node.js
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Note that, beyond Node, the Ctrl+D shortcut on Mac or Linux works on almost all shells and REPLs you'll ever encounter, including Unix shells like Bash, the shells for databases like MySQL and PostgreSQL, and the REPLs for programming languages like Python, PHP, and Ruby....
Efficiently test if a port is open on Linux?
... Linux:
netstat -lnt | awk '$6 == "LISTEN" && $4 ~ /\.445$/'
On Mac:
netstat -anp tcp | awk '$6 == "LISTEN" && $4 ~ /\.445$/'
This will output a list of processes listening on the port (445 in this example) or it will output nothing if the port is free.
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iOS JavaScript bridge
...here isn't the same windowScriptObject property (and class) that exists on Mac OSX allowing complete communication between the two.
However, you can easily call from javascript custom-made URLs, like:
window.location = yourscheme://callfunction/parameter1/parameter2?parameter3=value
And intercep...
What is the difference between an int and a long in C++?
...ytes
Linux Intel 64 8 bytes
Linux IA-64 8 bytes
Mac OS X IA-32 4 bytes
Mac OS X Intel 64 8 bytes
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How do I solve the INSTALL_FAILED_DEXOPT error?
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Christ... again this happened to me after updating my mac OS. Doubling down on my reimbursement of that solution goto -> settings and run factory restore. Had to look up this question just to remember how I fixed it... thank god for history on stack overflow, and I was able ...
pip broke. how to fix DistributionNotFound error?
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I find this problem in my MacBook, the reason is because as @Stephan said, I use easy_install to install pip, and the mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem.
The resolve is:
easy_install --upgra...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...xplain the code a little to newbies? Thanks
– Andrew Mackenzie
Oct 6 '11 at 11:52
Sure. When you click it, it checks ...