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Pass all variables from one shell script to another?
...ariables like arrays easily, but also means that the other script could modify variables in the source shell.
UPDATE:
To use export to set an environment variable, you can either use an existing variable:
A=10
# ...
export A
This ought to work in both bash and sh. bash also allows it to be co...
How to escape double quotes in JSON
...ation marks except for the characters that must be escaped and then it specifies: \" represents the quotation mark character (U+0022)
– mastazi
Mar 30 '17 at 1:30
...
Android static object lifecycle
...cation runs inside a DVM.
A DVM manages class loading unloading, instance lifecycle, GC etc.
Lifetime of a static variable: A static variable comes into existence when a class is loaded by the JVM and dies when the class is unloaded.
So if you create an android application and initialize a static ...
invalid byte sequence for encoding “UTF8”
...
If you need to store UTF8 data in your database, you need a database that accepts UTF8. You can check the encoding of your database in pgAdmin. Just right-click the database, and select "Properties".
But that error seems to ...
Lambda capture as const reference?
...
const isn't in the grammar for captures as of n3092:
capture:
identifier
& identifier
this
The text only mention capture-by-copy and capture-by-reference and doesn't mention any sort of const-ness.
Feels like an oversight to me, but I haven't followed the standardization process v...
Linq to Sql: Multiple left outer joins
... dc.Vendors
.Where(v => v.Id == order.VendorId)
.DefaultIfEmpty()
from status
in dc.Status
.Where(s => s.Id == order.StatusId)
.DefaultIfEmpty()
select new { Order = order, Vendor = vendor, Status = status }
//Vendor and Status properties will ...
Should struct definitions go in .h or .c file?
... for that file should go in the .c file, with a declaration in the .h file if they are used by any functions in the .h .
Public structures should go in the .h file.
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How can a windows service programmatically restart itself?
... meant to tell the system that there was an error. Isn't this bad practice if there was in fact no error and you just wanted to restart your service?
– mgttlinger
May 29 '13 at 13:47
...
Deleting all files from a folder using PHP?
...mp/*'); // get all file names
foreach($files as $file){ // iterate files
if(is_file($file))
unlink($file); // delete file
}
If you want to remove 'hidden' files like .htaccess, you have to use
$files = glob('path/to/temp/{,.}*', GLOB_BRACE);
...
Is MD5 still good enough to uniquely identify files?
... MD5 hashing a file still considered a good enough method to uniquely identify it given all the breaking of MD5 algorithm and security issues etc? Security is not my primary concern here, but uniquely identifying each file is.
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