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Correct format specifier to print pointer or address?

... p The argument shall be a pointer to void. The value of the pointer is converted to a sequence of printing characters, in an implementation-defined manner. (In C11 — ISO/IEC 9899:2011 — the information is in §7.21.6.1 ¶8.) On some platforms, that will include a leading 0x and on other...
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Most efficient way to check for DBNull and then assign to a variable?

....NET alternative to Stevo3000's suggestion: oSomeObject.IntMember = If(TryConvert(Of Integer)(oRow("Value")), iDefault) oSomeObject.StringMember = If(TryCast(oRow("Name"), String), sDefault) Function TryConvert(Of T As Structure)(ByVal obj As Object) As T? If TypeOf obj Is T Then Retur...
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How do you properly determine the current script directory in Python?

... #!/usr/bin/env python import inspect import os import sys def get_script_dir(follow_symlinks=True): if getattr(sys, 'frozen', False): # py2exe, PyInstaller, cx_Freeze path = os.path.abspath(sys.executable) else: path = inspect.getabsfile(get_script_dir) ...
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How do I convert from int to String?

...ou ask for concatenation; 3. as you do not have a string, you will finally convert your int into string. The solution of daridoo avoid the first steps. – Nicolas Nov 5 '10 at 14:24 ...
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How to detect the physical connected state of a network cable/connector?

... You want to look at the nodes in /sys/class/net/ I experimented with mine: Wire Plugged in: eth0/carrier:1 eth0/operstate:unknown Wire Removed: eth0/carrier:0 eth0/operstate:down Wire Plugged in Again: eth0/carrier:1 eth0/operstate:up Side Tric...
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How to join int[] to a character separated string in .NET?

...nting to do this in .NET 2.0 with C#2 can do this: string.Join(",", Array.ConvertAll<int, String>(ints, Convert.ToString)); I find there are a number of other cases where the use of the Convert.xxx functions is a neater alternative to a lambda, although in C#3 the lambda might help the type...
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How do you iterate through every file/directory recursively in standard C++?

...e(hFind); hFind = INVALID_HANDLE_VALUE; } return true; } int main(int argc, char* argv[]) { vector<wstring> files; if (ListFiles(L"F:\\cvsrepos", L"*", files)) { for (vector<wstring>::iterator it = files.begin(); it != files.end(); ...
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Safest way to convert float to integer in python?

...s an integer out of the result of math.floor, and this answer shows how to convert a float into an integer. Take the float from math.floor and pipe it through int, problem solved: int(math.floor(2.3)) – JMTyler Aug 19 '15 at 4:40 ...
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Convert pem key to ssh-rsa format

... ssh-keygen -t rsa -b 2048 -f dummy-ssh-keygen.pem -N '' -C "Test Key" Converting DER to PEM If you have an RSA key pair in DER format, you may want to convert it to PEM to allow the format conversion below: Generation: openssl genpkey -algorithm RSA -out genpkey-dummy.cer -outform DER -pkeyo...
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How to convert enum value to int?

...d if values are added to the enum. You can use the enum's name() method to convert the enum value to a String an the enum's valueOf() method to create an enum representation from the String again. The following example shows how to convert the enum value to String and back (ValueType is an enum): V...