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Make a float only show two decimal places
...ored, it is a matter of how you are displaying it. When converting it to a string you must round to the desired precision, which in your case is two decimal places.
E.g.:
NSString* formattedNumber = [NSString stringWithFormat:@"%.02f", myFloat];
%.02f tells the formatter that you will be formatt...
How to make an OpenGL rendering context with transparent background?
...-------*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <GL/glxext.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrender.h>
#include <X11/Xutil.h>
#defin...
PreparedStatement IN clause alternatives?
...ng multiple comma-delimited parameters.
*
* @param sql The SQL statement string with one IN clause.
* @param params The number of parameters the SQL statement requires.
* @return The SQL statement with (?) replaced with multiple parameter
* placeholders.
*/
public static String any(String sql,...
Relative URLs in WordPress
... any installed. Just using Elementor and theme Futurio with plugin Futurio Extra. I tried disabling them without any change though, so not sure :/
– hug
Jul 2 at 23:27
...
What are allowed characters in cookies?
...lue?
According to the ancient Netscape cookie_spec the entire NAME=VALUE string is:
a sequence of characters excluding semi-colon, comma and white space.
So - should work, and it does seem to be OK in browsers I've got here; where are you having trouble with it?
By implication of the above:...
How to escape the % (percent) sign in C's printf?
...en compiled. printf is a run-time function, so it deals with bytes of your string, not with C source code, and it has its own escape sequences that are parts of the function. In short, printf is a "language inside a language", and printf("This is a's value: %s\n", a); gives the same result as printf...
Guaranteed lifetime of temporary in C++?
...Schaub: What is a "full-expression" in this case: printf("%s", strdup(std::string("$$$").c_str()) ); ?I mean if strdup(std::string("$$$").c_str()) is taken as the full expression, then the pointer that strdup sees is valid. If std::string("$$$").c_str() is a full expression, then the pointer that st...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
... Be aware - storing as binary(60) can cause unexpected behavior for string equality (among other things). In .NET this can be overcome by using String.Equals(fromDataBaseBinary60string, typicalishString, StringComparison.InvariantCulture)
– JHubbard80
Fe...
How to use android emulator for testing bluetooth application?
...rt the VM and select 'Live CD VESA' at boot.
Now you need to find out the IP of this VM. Go to terminal in VM (use Alt+F1
& Alt+F7 to toggle) and use the netcfg command to find this.
Now you need open a command prompt and go to your android install
folder (on host). This is usually C:\Program ...
Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
4 Answers
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