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How to do scanf for single char in C [duplicate]
...what if you need to read more inputs? Consider:
#include <stdio.h>
int main(void)
{
char ch1, ch2;
scanf("%c", &ch1); /* Leaves the newline in the input */
scanf(" %c", &ch2); /* The leading whitespace ensures it's the
previous newline is ignored ...
What is the printf format specifier for bool?
...NSI C99 there is _Bool or bool via stdbool.h . But is there also a printf format specifier for bool?
8 Answers
...
How to programmatically create and read WEP/EAP WiFi configurations in Android?
...ally
This is pretty much straightforward, WifiConfiguration exposes the interface to create the same. Here is the sample code:
void saveWepConfig()
{
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
WifiConfiguration wc = new WifiConfiguration();
wc.SSID = "\...
Strange out of memory issue while loading an image to a Bitmap object
...true;
BitmapFactory.decodeResource(getResources(), R.id.myimage, options);
int imageHeight = options.outHeight;
int imageWidth = options.outWidth;
String imageType = options.outMimeType;
To avoid java.lang.OutOfMemory exceptions, check the dimensions of a bitmap before decoding it, unless you abso...
How do I explicitly instantiate a template function?
...;typename T> void func(T param) {} // definition
template void func<int>(int param); // explicit instantiation.
[EDIT] There seems to be (a lot) of confusion regarding explicit instantiation and specialization.
The code I posted above deals with explicit instantiation. The syntax for spe...
LINQ Contains Case Insensitive
...
StartWith converts to LIKE 'hello%' ?
– Bart Calixto
Jun 30 '14 at 19:13
...
Combine Date and Time columns using python pandas
...etime64[ns]
Note: surprisingly (for me), this works fine with NaNs being converted to NaT, but it is worth worrying that the conversion (perhaps using the raise argument).
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How to provide user name and password when connecting to a network share
...P/Invoke WNetAddConnection2. I prefer the latter, as I sometimes need to maintain multiple credentials for different locations. I wrap it into an IDisposable and call WNetCancelConnection2 to remove the creds afterwards (avoiding the multiple usernames error):
using (new NetworkConnection(@"\\serve...
Reverse of JSON.stringify?
...
I read the OP as saying "I converted a javascript object to a JSON string, and now I want to convert it back - how do I do it?" All the other answers say just use JSON.parse. I'm just warning that theres a lot of cases that will not handle correctly. I...
Swift make method parameter mutable?
...nswers is the ability to declare an inout parameter. Think: passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
x = x-1
}
}
var a = 3
reduceToZero(&a)
print(a) // will print '0'
This can be particularly useful in recursion.
Apple's inout declarati...