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Is char signed or unsigned by default?
...atatypes, for example int means signed int always, right? Apart from char, what other datatypes have the same confusion in C?
– Lazer
Mar 28 '10 at 11:15
8
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write a shell script to ssh to a remote machine and execute commands
...
What is the scripting language? You can of course also call ssh from any shell script
– Andreas Fester
Dec 18 '12 at 7:31
...
dynamically add and remove view to viewpager
...ethods:
// finishUpdate - called by the ViewPager - we don't care about what pages the
// pager is displaying so we don't use this method.
}
And here's some snips of code showing how to use the adapter.
class MainActivity extends Activity
{
private ViewPager pager = null;
private MainP...
Any way to declare a size/partial border to a box?
...
Not really. But it's very easy to achieve the effect in a way that degrades gracefully and requires no superfluous markup:
div {
width: 350px;
height: 100px;
background: lightgray;
position: relative;
margin: 20px;
}
div:after {
content: ''...
Real World Use of Zookeeper [closed]
...ookeeper recently and wondered whether anybody was using it currently and what they were specifically using it for storing.
...
“ArrayAdapter requires the resource ID to be a TextView” xml problems
...ires the resource ID to be a TextView XML exception means you don't supply what the ArrayAdapter expects. When you use this constructor:
new ArrayAdapter<String>(this, R.layout.a_layout_file, this.file)
R.Layout.a_layout_file must be the id of a xml layout file containing only a TextView(th...
Using emit vs calling a signal as if it's a regular function in Qt
...
The second option would imply that you always know what the function name and the function parameters are and that the object which are you sending it to is known by that particular function. Those two cases are not always true, so that are the two main things why slots and s...
Node.js check if file exists
How do i check the existence of a file ?
17 Answers
17
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Is String.Format as efficient as StringBuilder
...
If only because string.Format doesn't exactly do what you might think, here is a rerun of the tests 6 years later on Net45.
Concat is still fastest but really it's less than 30% difference. StringBuilder and Format differ by barely 5-10%. I got variations of 20% running t...
What are paramorphisms?
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