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What is an invariant?
...o what to do now?
Add x to sum and store it in sum ( sum+=x) and the next time
cin>>x will read a new value into x.
Now our code becomes something like this,
while(cin>>x){
++count;
sum+=x;
}
Let's check
Whether code matches our invariant
// invariant:
// we have read count g...
How to auto-remove trailing whitespace in Eclipse?
...ght? To make life easier and avoid having to remember setting it up every time you have a new workspace you can set the save action as a project specific preference that gets stored into your SCM along with the code.
In order to do that right-click on your project and go to Properties -> Java E...
Is there a way to make text unselectable on an HTML page? [duplicate]
...y hooks into the CSS/xpath selector engines directly. This may change over time as browsers find perf tweaks but I would definitely keep this in mind when supporting IE<=8, maybe <=9.
– Erik Reppen
Oct 2 '13 at 16:28
...
Compare two MySQL databases [closed]
... well.
By skipping comments you avoid meaningless differences such as the time you ran the mysqldump command. By using the --skip-extended-insert command you ensure each row is inserted with its own insert statement. This eliminates the situation where a single new or modified record can cause a ch...
A more useful statusline in vim? [closed]
...
c is actually the byte count, even if it is sometimes called column count even in vim help. You can use v to get what is usually meant by column number.
– Ludwig Weinzierl
Jan 3 '12 at 17:26
...
OS X Bash, 'watch' command
...parently runs the command every two seconds (expanding the parameters each time it is run), this script has the parameters expanded before it is run, and then runs using the same parameters every two seconds. So if you want to watch files in a directory where files are being added and removed this s...
Which HTML5 reset CSS do you use and why? [closed]
...rted only in Firefox, thus it's got no real use (at least at this point of time).
– tomasz86
Feb 17 '14 at 3:34
True t...
How to check if a word is an English word with Python?
...
Enchant is not supported at this time for python 64bit on windows :( github.com/rfk/pyenchant/issues/42
– Ricky Boyce
Jul 5 '17 at 0:23
9
...
Smooth scrolling when clicking an anchor link
...d cache that $('html, body') selector, so that it doesn't run every single time an anchor is clicked:
var $root = $('html, body');
$('a[href^="#"]').click(function () {
$root.animate({
scrollTop: $( $.attr(this, 'href') ).offset().top
}, 500);
return false;
});
If you want...
Left align two graph edges (ggplot)
...tion! I've been looking for something like this to align multiple separate time-series plots that I can't do with faceting because of the major customization in each plot.
– wahalulu
Jan 20 '13 at 17:47
...