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How to read/write from/to file using Go?
...unc main() {
contents,_ := ioutil.ReadFile("plikTekstowy.txt")
println(string(contents))
ioutil.WriteFile("filename", contents, 0644)
}
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how does array[100] = {0} set the entire array to 0?
How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it?
4 Answers
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When should we use Observer and Observable?
... }
@Override
public void update() {
System.out.println( "Binary String: "
+ Integer.toBinaryString( subject.getState() ) );
}
}
OctalObserver.java
public class OctalObserver extends Observer{
public OctalObserver(Subject subject){
this.subject = subject;
this.sub...
Catching an exception while using a Python 'with' statement
...
@ncoghlan But you can add extra try...except blocks inside with to be closer to the source of an exception that doesn't have anything to do with open().
– rbaleksandar
May 19 '17 at 14:44
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How can I use pointers in Java?
... public int value;
}
public class Binky() {
public static void main(String[] args) {
IntObj x; // Allocate the pointers x and y
IntObj y; // (but not the IntObj pointees)
x = new IntObj(); // Allocate an IntObj pointee
// and set x to...
EditorFor() and html properties
...upported by the TextBoxFor, which would work with EditorFor, such as FormatString
– AaronLS
Oct 18 '12 at 21:55
14
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What is the proper way to format a multi-line dict in Python?
...(4, 'd'),
],
}
Similarly, here's my preferred way of including large strings without introducing any whitespace (like you'd get if you used triple-quoted multi-line strings):
data = (
"iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABG"
"l0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAA...
Is there a performance difference between i++ and ++i in C++?
...n the following:
00401000 push 0Ah
00401002 push offset string "Value: %d\n" (402104h)
00401007 call dword ptr [__imp__printf (4020A0h)]
So while it's certainly the case that the postfix version could be slower, it may well be that the optimizer will be good enough to ...
Unique random string generation
I'd like to generate random unique strings like the ones being generated by MSDN library.( Error Object ), for example. A string like 't9zk6eay' should be generated.
...
How to only get file name with Linux 'find'?
...'
You can also use $PWD instead of . (on some systems it won't produce an extra dot in the front).
If you still got an extra dot, alternatively you can run:
find . -type f -execdir basename '{}' ';'
-execdir utility [argument ...] ;
The -execdir primary is identical to the -exec primary with the...