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How to do scanf for single char in C [duplicate]
...mat. For example, if you input abc for an int such as: scanf("%d", &int_var); then abc will have to read and discarded. Consider:
#include <stdio.h>
int main(void)
{
int i;
while(1) {
if (scanf("%d", &i) != 1) { /* Input "abc" */
printf("Invalid input. Tr...
SVN command to delete all locally missing files
...bbling in PowerShell, this one-liner will do the trick:
svn status | ? { $_ -match '^!\s+(.*)' } | % { svn rm $Matches[1] }
That is, filter the output to only those lines showing missing files (denoted by an exclamation at the start of the line), capture the associated file name, and perform an s...
How to check that an object is empty in PHP?
... error: PHP Parse error: syntax error, unexpected '(array)' (array) (T_ARRAY_CAST) in ... I use PHP version 5.4.28 and the first option with two lines of code works for me.
– Coanda
May 18 '14 at 13:34
...
Android ImageView Zoom-in and Zoom-Out
...wn(int keyCode, KeyEvent event) {
if(keyCode==KeyEvent.KEYCODE_DPAD_UP){
// zoom in
zoomControler+=10;
}
if(keyCode==KeyEvent.KEYCODE_DPAD_DOWN){
// zoom out
zoomControler-=10;
...
What is the difference between build.sbt and build.scala?
...thand notation roughly equivalent to this project/Build.scala:
import sbt._
import Keys._
object Build extends Build {
lazy val root = Project(id = "root", base = file(".")).settings(
name := "hello",
version := "1.0"
)
}
The .sbt file can also include vals, lazy vals, and defs...
Mockito. Verify method arguments
...ckito.verify(mock).mymethod(null);
Mockito.verify(mock).mymethod("something_else");
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Create a branch in Git from another branch
... newbies, this is what a --no-ff merge looks like
– A__
Oct 6 '18 at 23:01
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Cocoa Core Data efficient way to count entities
... = [NSEntityDescription entityForName:@"YourEntity" inManagedObjectContext:_managedObjectContext];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
[fetchRequest setEntity:entity];
[fetchRequest setIncludesPropertyValues:NO];
[fetchRequest setIncludesSubentities:NO];
NSError *error = ni...
Unix command-line JSON parser? [closed]
...sing modules built into the Perl core:
perl -MData::Dumper -MJSON::PP=from_json -ne'print Dumper(from_json($_))'
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Delete local Git branches after deleting them on the remote repo
...that case you would go:
git branch --merged | grep -v "\*" | grep -v "YOUR_BRANCH_TO_KEEP" | xargs -n 1 git branch -d
So if we wanted to keep master, develop and staging for instance, we would go:
git branch --merged | grep -v "\*" | grep -Ev "(\*|master|develop|staging)" | xargs -n 1 git branch...