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Remove all special characters except space from a string using JavaScript
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answered Jul 2 '11 at 5:01
Petar IvanovPetar Ivanov
80.8k77 gold badges7272 silver badges8787 bronze badges
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Difference between -pthread and -lpthread while compiling
...$ diff dm.pthread.txt dm.nopthread.txt
152d151
< #define _REENTRANT 1
208d206
< #define __USE_REENTRANT 1
Using the -lpthread option only causes the pthread library to be linked - the pre-defined macros don't get defined.
Bottom line: you should use the -pthread option.
Note: the -pthre...
Postgresql: Conditionally unique constraint
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190
PostgreSQL doesn't define a partial (i.e. conditional) UNIQUE constraint - however, you can crea...
Parse a URI String into Name-Value Collection
...air.indexOf("=");
query_pairs.put(URLDecoder.decode(pair.substring(0, idx), "UTF-8"), URLDecoder.decode(pair.substring(idx + 1), "UTF-8"));
}
return query_pairs;
}
You can access the returned Map using <map>.get("client_id"), with the URL given in your question this would retu...
Updating address bar with new URL without hash or reloading the page
...most "modern" browsers!
Here is the original article I read (posted July 10, 2010): HTML5: Changing the browser-URL without refreshing page.
For a more in-depth look into pushState/replaceState/popstate (aka the HTML5 History API) see the MDN docs.
TL;DR, you can do this:
window.history.pushStat...
B-Tree vs Hash Table
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 5 '11 at 9:58
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How to add an Access-Control-Allow-Origin header
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answered Feb 15 '11 at 20:28
MazatecMazatec
10.2k2323 gold badges6363 silver badges105105 bronze badges
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How does Rails keep track of which migrations have run for a database?
... row from schema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introduce migrations with earlier versions. Rails will always run any new mi...
What is a good pattern for using a Global Mutex in C#?
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409
I want to make sure this is out there, because it's so hard to get right:
using System.Runtime...
Custom sort function in ng-repeat
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edited Sep 13 '18 at 10:01
S.M.
11.2k55 gold badges2525 silver badges3636 bronze badges
answered Aug...