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How do I convert from stringstream to string in C++?
...g string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that will b...
How can I change a secret Gist to public?
... @VonC my bad, I wanted to write "(only Secret -> Public)". So basically you can only make public a gist that was previously private. When it is public it will stay public.
– GiDo
Jul 7 '16 at 16:28
...
How to split data into training/testing sets using sample function
...
@VedaadShakib when you use "-" it omit all the index in train_ind from your data. Take a look at adv-r.had.co.nz/Subsetting.html . Hope it helps
– dickoa
Aug 1 '16 at 22:05
...
NSUserDefaults removeObjectForKey vs. setObject:nil
... *keys = [[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] copy];
for(NSString *key in keys) {
NSLog(@"Key Name: %@", key);
}
[keys release];
or simply dump the key/value dictionary of NSUserDefaults standardUserDefaults
NSLog(@"All contents of NSUserDefaults: %...
if, elif, else statement issues in Bash
...to if [ "$seconds" -eq 0 ];then ... fi ]. @LeiYang man testis what you actually looking for
– Melicerte
May 15 '19 at 9:33
...
How to get the class of the clicked element?
...on() {
var myClass = $(this).attr("class");
alert(myClass);
});
Equally, you don't have to wrap the object in jQuery:
$("li").click(function() {
var myClass = this.className;
alert(myClass);
});
And in newer browsers you can get the full list of class names:
$("li").click(function(...
Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...ion; autocommit does not disable transactions, it just makes them automatically commit at the end of the statement.
What is happening is, some other thread is holding a record lock on some record (you're updating every record in the table!) for too long, and your thread is being timed out.
You can...
How do you decompile a swf file [closed]
I am the maintainer of a site that has allegedly 'lost' the source code to a flash swf file. How do I decompile this source?
...
Haskell error parse error on input `='
...
"Learn you Haskell" doesn't mention this at all.
– Bakuriu
Jun 1 '13 at 7:40
2
...
What does the CSS rule “clear: both” do?
... be explaining how the floats work here (in detail), as this question generally focuses on Why use clear: both; OR what does clear: both; exactly do...
I'll keep this answer simple, and to the point, and will explain to you graphically why clear: both; is required or what it does...
Generally desi...