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iOS 5 Best Practice (Release/retain?)
... to you. You can write apps using ARC (Automatic Reference Counting), and Xcode will write "glue code" to allow your ARC enabled apps to run on iOS 4, no modifications required. However, certain things wont work, and most noticeably many libraries you might wish to use will (sometimes) throw up in...
How to convert std::string to LPCWSTR in C++ (Unicode)
...
Thanks for the link to the MSDN article. This is exactly what I was looking for.
std::wstring s2ws(const std::string& s)
{
int len;
int slength = (int)s.length() + 1;
len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
wchar_t* buf = new wch...
Getting a 'source: not found' error when using source in a bash script
...ginally a comment in Norman Ramsey's answer. Since this is what actually fixed the problem, I've changed this to be the 'accepted answer'
– Chris Lawlor
Dec 17 '09 at 22:20
ad...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...经不活跃了。真正有商业价值的只有一百万人。如果开通xx功能，收点高级会员费，让其中1%的人升级为高级会员，每年付30块钱年费，那么每年收入就是100万x1%x30元=30万元!
不错嘛，扣除十七八万的运营成本，还剩毛利润12万...
Python Dictionary to URL Parameters
... edited Apr 6 '16 at 5:09
xiº
3,85833 gold badges2020 silver badges3636 bronze badges
answered Aug 5 '09 at 14:16
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Compiling a java program into an executable [duplicate]
... just made a simple program with Eclipse and I want to compile it into an executable, but simply can't seem to find out how to do it.
...
Is there a RegExp.escape function in Javascript?
I just want to create a regular expression out of any possible string.
15 Answers
15
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SQLite select where empty?
...ulate the length on the fly - AFAIK current SQLite does for columns with text affinity. Other than that, you are at the mercy of the optimizer - though I would expect them to be identical. You could verify that by using EXPLAIN.
– peterchen
Apr 16 '12 at 11:04
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$watch'ing for data changes in an Angular directive
...irty checking if it's set to true.
Take note that deep dirty checking is expensive. So if you just need to watch the children array instead of the whole data variable the watch the variable directly.
scope.$watch('val.children', function(newValue, oldValue) {}, true);
version 1.2.x introduced $w...
How do I run multiple instances of Android Studio
...earance & Behavior -> System Settings -> Project Opening.
Check [x] "Confirm window to open project in".
Now open the other (2nd) project with File -> Open... etc.
You will now be asked if you want to open a new window or replace what you already have. Select New Window.
Screenshots...