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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
... to be fairly different:
, = ,
list = a,b,c
$(info $(subst $(,),-,$(list))_EOL)
$(info $(subst ${,},-,$(list))_EOL)
outputs
a-b-c_EOL
md/init-profile.md:4: *** unterminated variable reference. Stop.
But so far I only found this difference when the variable name into ${...} contains itself a co...
Static Indexers?
...follows:
public class Utilities
{
private static ConfigurationManager _configurationManager = new ConfigurationManager();
public static ConfigurationManager ConfigurationManager => _configurationManager;
}
public class ConfigurationManager
{
public object this[string value]
{
...
Can you attach Amazon EBS to multiple instances?
...ble to get an EBS volume attached to more than one instance, it would be a _REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage...
How can you find and replace text in a file using the Windows command-line environment?
...s you something to Google for.
(Get-Content test.txt) | ForEach-Object { $_ -replace "foo", "bar" } | Set-Content test2.txt
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How to handle multiple heterogeneous inputs with Logstash?
...ed. I opened a ticket in Elastic and they recommended me to use tags or add_field instead of type
– BornToCode
Jun 18 '17 at 15:05
...
Add alternating row color to SQL Server Reporting services report
...************************
Function AlternateColor(ByVal OddColor As String, _
ByVal EvenColor As String, ByVal Toggle As Boolean) As String
If Toggle Then bOddRow = Not bOddRow
If bOddRow Then
Return OddColor
Else
Return EvenColor
End If
End Function
Then on...
How do you create a Swift Date object?
...yy-MM-dd"
dateStringFormatter.locale = NSLocale(localeIdentifier: "en_US_POSIX")
let d = dateStringFormatter.dateFromString(dateString)!
self.init(timeInterval:0, sinceDate:d)
}
}
Now you can create an NSDate from Swift just by doing:
NSDate(dateString:"2014-06-06")
Pleas...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
... However, setting the following environment variable worked for me: QT_QPA_PLATFORM_PLUGIN_PATH=%QTDIR%\plugins\platforms\
– arsalank2
Jun 24 '15 at 11:34
...
Creating Unicode character from its number
...parse characters that are larger than a char. scala> "????????".map(_.toInt).flatMap((i: Int) => Character.toChars(i)).map(_.toHexString) gives res11: scala.collection.immutable.IndexedSeq[String] = Vector(f468, 200d, f3a8) This emoji, "male singer", is addressed with the three code point...
Is MATLAB OOP slow or am I doing something wrong?
...es of functions and methods. Here are some typical results.
>> call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunct...