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How to create a file with a given size in Linux?
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You can do it programmatically:
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
int main() {
int fd = creat("/tmp/foo.txt", 0644);
ftruncate(fd, SIZE_IN_BYTES);
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gcc warning" 'will be initialized after'
...rom library headers and you're using GCC, then you can disable warnings by including the headers using -isystem instead of -I.
Similar features exist in clang.
If you're using CMake, you can specify SYSTEM for include_directories.
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What is the easiest way to ignore a JPA field during persistence?
...n converting to JSON.
If you need mix JPA with JSON(omit by JPA but still include in Jackson) use @JsonInclude :
@JsonInclude()
@Transient
private String token;
TIP:
You can also use JsonInclude.Include.NON_NULL and hide fields in JSON during deserialization when token == null:
@JsonInclude(Js...
Regular Expression: Any character that is NOT a letter or number
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but it will include many unicode letters, too! is there any way to exclude unicode letters?
– Clite Tailor
May 4 '17 at 12:06
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Android Studio: Add jar as library?
...2.2.4.jar') is in your build.gradle file (or compile fileTree(dir: 'libs', include: '*.jar') if you are using many jar files)
Edit : Use implementation files('libs/gson-2.2.4.jar') (or implementation fileTree(dir: 'libs', include: '*.jar')) in Android Studio 3.0+
Do a clean build (you can probably...
Why does the is operator return false when given null?
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How can I share code between Node.js and the browser?
...dule.exports in loaders that implement the Node
// module pattern (including browserify). Do not create the global, since
// the user will be storing it themselves locally, and globals are frowned
// upon in the Node module world.
module.exports = jQuery;
}
el...
Can't use modulus on doubles?
...The % operator is for integers. You're looking for the fmod() function.
#include <cmath>
int main()
{
double x = 6.3;
double y = 2.0;
double z = std::fmod(x,y);
}
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impr...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...__FILE__ constant contains the full path and filename of the current (i.e. included) file. If PHP is running as a command-line processor this variable contains the script name since PHP 4.3.0. Previously it was not available.
'SCRIPT_NAME'
Contains the current script's path. This ...
How do I get list of methods in a Python class?
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Will this produce a list of all methods in the class (including ones that are inherited from other classes), or will it only list the methods that are explicitly defined in that class?
– Anderson Green
Mar 10 '13 at 23:21
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