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How to convert a std::string to const char* or char*?
... Notice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this.
boost::scoped_array
boost::scoped_array will delete the memory for you upo...
How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
...tch (Exception exc) {}
finally {
try
{
//stop processing the script and return the current result
HttpContext.Current.Response.End();
}
catch (Exception ex) {}
finally {
//Sends the response buffer
HttpContext.Current.Response.Flush();
// Prev...
How to find whether or not a variable is empty in Bash
...y" and "unset". See How to tell if a string is not defined in a Bash shell script.
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how to release localhost from Error: listen EADDRINUSE
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Your npm start script might be more than one node program, or a node program that is ran in the background, or the program might have child processes who use that port.
– fent
May 12 '13 at 3:33
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Is It Possible to Sandbox JavaScript Running In the Browser?
I'm wondering if it's possible to sandbox JavaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page.
...
How to get multiple counts with one SQL query?
...he COUNTs would do multiple table scans.
As an example, run the following script:
IF OBJECT_ID (N't1', N'U') IS NOT NULL
drop table t1
create table t1 (f1 int)
insert into t1 values (1)
insert into t1 values (1)
insert into t1 values (2)
insert into t1 values (2)
insert i...
How to query MongoDB with “like”?
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Actually, it depends. If the query doesn't use an index, and must do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what'...
Backbone.js get and set nested object attribute
...g convenience methods that hide the navigation to the nested object. Basically, your callers don't need to know the model's internal structure; after all, it may change and the callers should be none the wiser.
– Bill Eisenhauer
Jun 15 '11 at 0:54
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Browse and display files in a git repo without cloning
...a very practical solution in case of github repositories is just to make a script, e.g. "git-ls":
#!/bin/sh
remote_url=${1:? "$0 requires URL as argument"}
curl -s $remote_url | grep js-directory-link | sed "s/.* title=\"\(.*\)\".*/\1/"
Make it executable and reachable of course: chmod a+x git-ls...
Focus Next Element In Tab Index
...fective and resource-friendly solution. Thank you! Here is my full working script: stackoverflow.com/a/40686327/1589669
– eapo
Nov 18 '16 at 21:40
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