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Number of occurrences of a character in a string [duplicate]
... It's worth noting the first approach could be incredibly expensive, if the string is large. Worst case if the string is large and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with...
Refresh Fragment at reload
...
I think you want to refresh the fragment contents upon db update
If so, detach the fragment and reattach it
// Reload current fragment
Fragment frg = null;
frg = getSupportFragmentManager().findFragmentByTag("Your_Fragment_TAG");
final FragmentTransaction ft = getSupportFragmentManager()....
How to declare a local variable in Razor?
...:
@{bool isUserConnected = string.IsNullOrEmpty(Model.CreatorFullName);}
@if (isUserConnected)
{ // meaning that the viewing user has not been saved so continue
<div>
<div> click to join us </div>
<a id="login" href="javascript:void(0);" style="display: inli...
ASP.NET MVC Custom Error Handling Application_Error Global.asax?
... and General() . They all accept a string parameter error . Using or modifying the code below.
What is the best/proper way to pass the data to the Error controller for processing? I would like to have a solution as robust as possible.
...
Can jQuery get all CSS styles associated with an element?
...i].rules || sheets[i].cssRules;
for (var r in rules) {
if (a.is(rules[r].selectorText)) {
o = $.extend(o, css2json(rules[r].style), css2json(a.attr('style')));
}
}
}
return o;
}
function css2json(css) {
var s = {};
if (!css) re...
.NET unique object identifier
Is there a way of getting a unique identifier of an instance?
11 Answers
11
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
What's the difference between INNER JOIN , LEFT JOIN , RIGHT JOIN and FULL JOIN
in MySQL ?
3 Answers
...
R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
...
How to reload page every 5 seconds?
...I add the script, reload the whole page every 5 seconds (or some other specific time).
11 Answers
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bash: Bad Substitution
...points to dash, not bash.
me@pc:~$ readlink -f $(which sh)
/bin/dash
So if you chmod +x your_script_file.sh and then run it with ./your_script_file.sh, or if you run it with bash your_script_file.sh, it should work fine.
Running it with sh your_script_file.sh will not work because the hashbang l...