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Iterate through the fields of a struct in Go
...reflect.Value of the field by using Field(i) you can get a
interface value from it by calling Interface(). Said interface value then represents the
value of the field.
There is no function to convert the value of the field to a concrete type as there are,
as you may know, no generics in go. Thus, ...
Why does Math.round(0.49999999999999994) return 1?
...t. 1.4999999999999998 is the smallest double less than 1.5. As you can see from the question, the floor method rounds it correctly.
– OrangeDog
Mar 29 '12 at 11:12
...
Which characters need to be escaped in HTML?
... space. You can use these instead of normal spaces to prevent a line break from being inserted between two words, or to insert extra space without it being automatically collapsed, but this is usually a rare case. Don't do this unless...
PHP shell_exec() vs exec()
...ec also supports an additional parameter that will provide the return code from the executed command:
exec('ls', $out, $status);
if (0 === $status) {
var_dump($out);
} else {
echo "Command failed with status: $status";
}
As noted in the shell_exec manual page, when you actually require a ...
How do I script a “yes” response for installing programs?
... does this only work with some command supported to use input from yes, doesn't it? I tried with glance from OpenStack and this not work, I think Expect is more precise for all circumstances
– HVNSweeting
Nov 1 '12 at 8:53
...
Pull to refresh UITableView without UITableViewController
...
This solution from @berik works fine but the UIController is displayed on top of the UITableViewController. The way to fix it is doing this change:
override func viewDidLoad() {
let refreshControl = UIRefreshControl()
refreshContr...
How to dump a dict to a json file?
...y, I got a pretty-print json file.
The tricks print >> f, j is found from here:
http://www.anthonydebarros.com/2012/03/11/generate-json-from-sql-using-python/
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...
Assign pandas dataframe column dtypes
...en deprecated... i'm not sure what replaced it?
– joefromct
Dec 18 '15 at 3:50
6
To re-infer data...
sqlalchemy unique across multiple columns
...
Extract from the documentation of the Column:
unique – When True, indicates that this column contains a unique
constraint, or if index is True as well, indicates that the Index
should be created with the unique flag. To spe...
How do I convert an array object to a string in PowerShell?
...
From a pipe
# This Is a cat
'This', 'Is', 'a', 'cat' | & {"$input"}
# This-Is-a-cat
'This', 'Is', 'a', 'cat' | & {$ofs='-';"$input"}
Write-Host
# This Is a cat
Write-Host 'This', 'Is', 'a', 'cat'
# This-Is-a-c...