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How to do scanf for single char in C [duplicate]
...blem is to put a blank space before the conversion specifier in the format string:
scanf(" %c", &c);
The blank in the format string tells scanf to skip leading whitespace, and the first non-whitespace character will be read with the %c conversion specifier.
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Set EditText Digits Programmatically
...="fill_parent"
android:layout_height="wrap_content"
android:hint="@string/ipAddrHint"
android:inputType="numberDecimal|number"
android:digits="0123456789."
android:textSize="30sp" />
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How to convert a data frame column to numeric type?
... char_fac = factor(letters[1:5]),
num = 1:5, stringsAsFactors = FALSE)
Let us have a glance at data.frame
> d
char fake_char fac char_fac num
1 a 1 1 a 1
2 b 2 2 b 2
3 c 3 3 c 3
4 d 4 ...
How can I remove non-ASCII characters but leave periods and spaces using Python?
I'm working with a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code:
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Is there a difference between single and double quotes in Java?
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Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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Remove characters from C# string
How might I remove characters from a string? For example: "My name @is ,Wan.;'; Wan" .
21 Answers
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How to print VARCHAR(MAX) using Print Statement?
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I used print(substring(@script, @Counter * 8000, (@Counter + 1) * 8000)) to print my script.
– Lukas Thum
Oct 9 '18 at 12:24
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OS detecting makefile
...gwin/MinGW/MSYS/Windows. See his answer that looks like that:
ifeq '$(findstring ;,$(PATH))' ';'
detected_OS := Windows
else
detected_OS := $(shell uname 2>/dev/null || echo Unknown)
detected_OS := $(patsubst CYGWIN%,Cygwin,$(detected_OS))
detected_OS := $(patsubst MSYS%,MSYS,$(d...
Setting up FTP on Amazon Cloud Server [closed]
...at you already have an EC2 instance created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sudo yum install vsftpd
This should install vsftpd.
Step #2: Open up the FTP ports on your EC2 instance
Next, you'll need to open up the F...
Efficient way to remove ALL whitespace from String?
...s to remove all whitespace (including newlines) and doing this (XML is the string received from the web request):
16 Answer...