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Difference between “git add -A” and “git add .”
.... and by doing that it makes his life easier even after accounting for the extra mental tax added to ensure that there're no sync problems? I wonder why Git doesn't furthur split add -u into two separate commands add -u1 and add-u2 whereby one works for files starting with numerals and the other for...
Convert a Scala list to a tuple?
...cala> val hlist = "z" :: 6 :: "b" :: true :: HNil
hlist: shapeless.::[String,shapeless.::[Int,shapeless.::[String,shapeless.::[Boolean,shapeless.HNil]]]] = z :: 6 :: b :: true :: HNil
scala> val tup = hlist.tupled
tup: (String, Int, String, Boolean) = (z,6,b,true)
scala> tup
res0: (St...
Escaping single quote in PHP when inserting into MySQL [duplicate]
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You should be escaping each of these strings (in both snippets) with mysql_real_escape_string().
http://us3.php.net/mysql-real-escape-string
The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you s...
实时开发、测试和调试工具 · App Inventor 2 中文网
... 你可以从计算机上的终端启动 adb。 转到包含 AppInventor Extras 软件的目录并运行命令 adb logcat
这将显示整个（大）系统日志。 如果你正在调试，则应该打开日志，再次模拟该错误，然后查看日志末尾出现的内容。
adb 的实际目...
Check if a variable is a string in JavaScript
How can I determine whether a variable is a string or something else in JavaScript?
25 Answers
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Good reasons to prohibit inheritance in Java?
...re writing purely internal code this may be a bit of overkill. However the extra effort involved in adding five characters to a class file is very small. If you are writing only for internal comsumption then a future coder can always remove the 'final' - you can think of it as a warning saying "this...
How to link to apps on the app store
...n' s openURL: method to open your item in the App Store.
Sample code:
NSString *iTunesLink = @"itms://itunes.apple.com/app/apple-store/id375380948?mt=8";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:iTunesLink]];
Swift 4.2
let urlStr = "itms-apps://itunes.apple.com/app/ap...
Databinding an enum property to a ComboBox in WPF
...ption = GetDescription(enumValue)
}).ToArray();
}
private string GetDescription(object enumValue)
{
var descriptionAttribute = EnumType
.GetField(enumValue.ToString())
.GetCustomAttributes(typeof (DescriptionAttribute), false)
.FirstOrDefault() as D...
The tilde operator in Python
...o so before supplying an __invert__ method to your class. (Note that byte-strings [ex: '\xff'] do not support this operator, even though it is meaningful to invert all the bits of a byte-string.)
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When should we call System.exit in Java
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In that case, it's not needed. No extra threads will have been started up, you're not changing the exit code (which defaults to 0) - basically it's pointless.
When the docs say the method never returns normally, it means the subsequent line of code is effect...