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How do I check OS with a preprocessor directive?
...
#endif
// Return a name of platform, if determined, otherwise - an empty string
const char *get_platform_name() {
return (PLATFORM_NAME == NULL) ? "" : PLATFORM_NAME;
}
int main(int argc, char *argv[]) {
puts(get_platform_name());
return 0;
}
Tested with GCC and clang on:
Debian 8...
Getting a list of files in a directory with a glob
...u can achieve this pretty easily with the help of NSPredicate, like so:
NSString *bundleRoot = [[NSBundle mainBundle] bundlePath];
NSFileManager *fm = [NSFileManager defaultManager];
NSArray *dirContents = [fm contentsOfDirectoryAtPath:bundleRoot error:nil];
NSPredicate *fltr = [NSPredicate predica...
Input and Output binary streams using JERSEY?
...roduces({"image/png"})
public Response getAsImage(@PathParam("externalId") String externalId,
@Context Request request) throws WebApplicationException {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
// do something with externalId, maybe retrieve an object from the
...
Method Syntax in Objective-C
...ersonData) for setting some information about person:
void setPersonData( char* name, int age, float height ) {
and in Objective-C the method would be more descriptive (setPersonName:andAge:andHeight:), like
- (void) setPersonName: (char *)name andAge:(int)age andHeight:(float)height {
...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
... happen.
#include <iostream>
#include <fstream>
#include <string>
void f(std::ostream &os)
{
std::cin.clear(); // clear EOF flags
std::cin.seekg(0, std::cin.beg); // seek to begin
std::string line;
while(std::getline(std::cin, line)) //input from the file ...
install / uninstall APKs programmatically (PackageManager vs Intents)
...ion result notification.
Example code for invoking the uninstall dialog:
String app_pkg_name = "com.example.app";
int UNINSTALL_REQUEST_CODE = 1;
Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE);
intent.setData(Uri.parse("package:" + app_pkg_name));
intent.putExtra(Intent.EXTRA_RET...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...
CREATE TABLE IF NOT EXISTS `radius`.`checksums` ( db CHAR(64) NOT NULL, tbl CHAR(64) NOT NULL, chunk INT NOT NULL, chunk_time FLOAT NULL, chunk_index VARCHAR(200) NULL, lower_boundary TEXT ...
Use '=' or LIKE to compare strings in SQL?
...he (almost religious) discussion, if you should use LIKE or '=' to compare strings in SQL statements.
9 Answers
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How to comment out a block of Python code in Vim
...' at first column with ''. <cr>:noh<cr> just clears the search string so nothing is left highlighted when you are done.
– cdated
Sep 22 '16 at 16:06
1
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Integrating the ZXing library directly into my Android application
... layout file
ImageView imageView = (ImageView) findViewById(R.id.qrCode);
String qrData = "Data I want to encode in QR code";
int qrCodeDimention = 500;
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(qrData, null,
Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), qrCodeDimention);
tr...