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What's the difference between std::move and std::forward
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160
std::move takes an object and allows you to treat it as a temporary (an rvalue). Although it isn...
CSS opacity only to background color, not the text on it? [duplicate]
...;integer>s or <percentage>s, where the number 255 corresponds to 100%. A (alpha) can be a <number> between 0 and 1, or a <percentage>, where the number 1 corresponds to 100% (full opacity).
RGBa example
rgba(51, 170, 51, .1) /* 10% opaque green */
rgba(51, 170, 51, .4) /...
How to multiply duration by integer?
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+250
int32 and time.Duration are different types. You need to convert the int32 to a time.Duration, such as time.Sleep(time.Duration(rand.I...
How can I assign an ID to a view programmatically?
...ns unique:
Here, values/ids.xml defines a custom id:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="reservedNamedId" type="id"/>
</resources>
Then once the ViewGroup or View has been created, you can attach the custom id
myViewGroup.setId(R.id.reserve...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...on-clustered indexes in the CREATE TABLE statement?
Note that SQL Server 2014 introduced the inline index create option:
CREATE TABLE MyTable(
a int NOT NULL
,b smallint NOT NULL
,c smallint NOT NULL
,d smallint NOT NULL
,e smallint NOT NULL
-- This creates a primary key
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BaseException.message deprecated in Python 2.6
...s 'my detailed description'
You can use str(my) or (less elegant) my.args[0] to access the custom message.
Background
In the newer versions of Python (from 2.6) we are supposed to inherit our custom exception classes from Exception which (starting from Python 2.5) inherits from BaseException. The b...
Understanding the difference between __getattr__ and __getattribute__
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answered Nov 28 '10 at 6:55
pyfuncpyfunc
58.3k1414 gold badges137137 silver badges132132 bronze badges
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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309
Adding the following two line sat the top of my .py script worked for me (first line was necess...
Heroku Postgres - terminate hung query (idle in transaction)
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answered Jul 2 '12 at 10:46
tobixentobixen
3,11411 gold badge1414 silver badges1818 bronze badges
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Can you have if-then-else logic in SQL? [duplicate]
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106
You can make the following sql query
IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) > ...