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How often does python flush to a file?
...d buffer size:"
0 means unbuffered,
1 means line buffered,
any other positive value means use a buffer of (approximately) that size.
A negative buffering means to use the system default, which is usually line buffered for tty devices and fully buffered for other files.
If omitted, the system ...
Detect application heap size in Android
... And
How much heap should my app use, given the constraints of the Android OS version and hardware of the user's device?
There is a different method for determining each of the above.
For item 1 above: maxMemory()
which can be invoked (e.g., in your main activity's onCreate() method) as follows:...
What is the difference between Swing and AWT?
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AWT is a Java interface to native system GUI code present in your OS. It will not work the same on every system, although it tries.
Swing is a more-or-less pure-Java GUI. It uses AWT to create an operating system window and then paints pictures of buttons, labels, text, checkboxes, etc., i...
How to repeat a string a variable number of times in C++?
...
std::string(5, '.')
This is a contrived example of how you might use an ostringstream to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on...
How to best position Swing GUIs?
...bles a native window shown without programmatically setting its location. Most windowing systems cascade windows if their locations are not explicitly set. The actual location is determined once the window is shown on the screen.
Have a look at the effect of this example that puts 3 GUIs into the...
Is there an equivalent of lsusb for OS X
...device's configuration descriptors. Without that, I'm afraid this tool is mostly just a pretty-printer.
– Ted Middleton
May 17 '16 at 19:17
3
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Why I cannot cout a string?
...
You need to include
#include <string>
#include <iostream>
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How to append to New Line in Node.js
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Use the os.EOL constant instead.
var os = require("os");
function processInput ( text )
{
fs.open('H://log.txt', 'a', 666, function( e, id ) {
fs.write( id, text + os.EOL, null, 'utf8', function(){
fs.close(id, funct...
VBoxManage: error: Failed to create the host-only adapter
... should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Privacy Then hit the "Allow" button to let Oracle (VirtualBox) load.
...
Thread context switch Vs. process context switch
...any one tell me what is exactly done in both situations? What is the main cost each of them?
10 Answers
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