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How to disable Golang unused import error
By default, Go treats unused import as error, forcing you to delete the import.
I want to know if there exists some hope to change to this behavior, e.g. reducing it to warning.
...
With bash, how can I pipe standard error into another process?
...is correctly answers the stated question and should be the accepted answer by @paxdiablo
– mmlb
Jul 1 '14 at 18:59
I t...
How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
20...
Replacements for switch statement in Python?
...g
elif x == 'b':
# Do the other thing
if x in 'bc':
# Fall-through by not using elif, but now the default case includes case 'a'!
elif x in 'xyz':
# Do yet another thing
else:
# Do the default
This of course is not identical to switch/case - you cannot have fall-through as easily a...
Multiline strings in VB.NET
... sql As String = "
SELECT ID, Description
FROM inventory
ORDER BY DateAdded
"
You can combine them with string interpolation to maximize usefullness:
Dim primaryKey As String = "ID"
Dim inventoryTable As String = "inventory"
Dim sql As String = $"
SELECT {primaryKey}, Description
...
C++ template typedef
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Detect home button press in android
...he opening of the "Recents" system activity. On my phone, that's triggered by pressing the recents button next to the home button, so your code's assumption about it being a home long press isn't always correct.
– Sam
May 14 '15 at 22:43
...
Setting Django up to use MySQL
...of utilizing MySQL option files, as of Django 1.7. You can accomplish this by setting your DATABASES array like so:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'OPTIONS': {
'read_default_file': '/path/to/my.cnf',
},
}
}
You also nee...
When is it better to use String.Format vs string concatenation?
...al other developers) to remove a parameter, or mess up the parameter order by mistake. The compiler will not check the parameters against the format string and you end up with a runtime error (that is, if you're lucky enough not to have it in an obscure method, such as logging an error). With concat...
Tactics for using PHP in a high-load site
...t write time.
CACHING
I highly recommend Memcached. It has been proven by the biggest players on the PHP stack (Facebook) and is very flexible. There are two methods to doing this, one is caching in your DB layer, the other is caching in your business logic layer.
The DB layer option would req...