大约有 40,000 项符合查询结果(耗时:0.0457秒) [XML]

https://stackoverflow.com/ques... 

How can I echo a newline in a batch file?

... @quetzalcoatl, it gets even stranger. Other characters besides dot work too. SS64 says better syntax is echo( for improved performance (still with no space mind you). Extended discussion of other characters and their merits/flaws at ECHO. FAILS to give text or blank ...
https://stackoverflow.com/ques... 

Android selector & text color

...or/button_dark_text.xml <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:color="#000000" /> <!-- pressed --> <item android:state_focused="true" ...
https://stackoverflow.com/ques... 

How to add directory to classpath in an application run profile in IntelliJ IDEA?

...e F12) click on the dependencies tab Click the "+" button on the right and select "Jars or directories..." Find your path and click OK In the dialog with "Choose Categories of Selected File", choose Classes (even if it's properties), press OK and OK again You can now run your application and it will...
https://stackoverflow.com/ques... 

In C# check that filename is *possibly* valid (not that it exists) [duplicate]

... You can add a check for your filename containing any of the characters in the array returned by char[] badChars = Path.GetInvalidFileNameChars(); – Jon Dosmann Feb 12 '15 at 18:27 ...
https://stackoverflow.com/ques... 

How to execute a raw update sql with dynamic binding in rails

...ch less efficient, isn't it. Doesn't this trade one update statement for a select, bring the records into rails memory, update each record and send an update statement back for each record. 1 update vs 1 per record and much bandwidth, etc.? Does AR optimize this or not? I don't think it does. ...
https://stackoverflow.com/ques... 

What is base 64 encoding used for?

...You never know -- some protocols may interpret your binary data as control characters (like a modem), or your binary data could be screwed up because the underlying protocol might think that you've entered a special character combination (like how FTP translates line endings). So to get around th...
https://stackoverflow.com/ques... 

How to create ENUM type in SQLite?

... answer. Unless the string is really short, I'm totally against it. 1 or 2 characters maximum. – MPelletier May 9 '14 at 21:34 ...
https://stackoverflow.com/ques... 

What does the ??!??! operator do in C?

...otnote 12 (h/t @Random832): The trigraph sequences enable the input of characters that are not defined in the Invariant Code Set as described in ISO/IEC 646, which is a subset of the seven-bit US ASCII code set. share...
https://stackoverflow.com/ques... 

Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?

... array with [0] equal to true/false indicating whether or not this date is selectable and 1 equal to a CSS class name(s) or '' for the default presentation. It is called for each day in the datepicker before is it displayed. Display some national holidays in the datepicker. $(".selector").datepick...
https://stackoverflow.com/ques... 

Difference between 'new operator' and 'operator new'?

...ething like your own container, you can call operator new directly, like: char *x = static_cast<char *>(operator new(100)); It's also possible to overload operator new either globally, or for a specific class. IIRC, the signature is: void *operator new(size_t); Of course, if you overloa...