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What does $_ mean in PowerShell?
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Working version with extra pipeline removed. gci | % { add-member -InputObject $_ -Type NoteProperty -Name Bar -Value $_.name -PassThru } | Select Bar
– Xalorous
Nov 23 '15 at 19:27
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How do I change the number of open files limit in Linux? [closed]
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Seems you are repeating an extra steps. Setting limits alone will do the same as the profile, but across all sessions.
– Eddie
Nov 11 '13 at 14:47
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What is context in _.each(list, iterator, [context])?
...pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can usually adapt a low-level helper. The goal is to have your custom logic bundling a verb and two n...
What does OSGi solve?
...son, there is no special interface required for OSGi services, even a Java String object can act as an OSGi service. This strategy makes application code easier to port to another environment.
Runs Everywhere - Well, that depends. The original goal of Java was to run anywhere. Obviously, it is not p...
What is the use of having destructor as private?
...you don't want to delete main class through the pointer to class that adds extra functionality to the main.
In the example below I don't want GuiWindow to be deleted through a HandlerHolder pointer.
class Handler
{
public:
virtual void onClose() = 0;
protected:
virtual ~Handler();
};
clas...
Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
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Multiple columns index when using the declarative ORM extension of sqlalchemy
...me__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32), index=True)
b = Column(String(32), index=True)
if you'd like a composite index, again Table is present here as usual you just don't have to declare it, everything works the same (make sure you're on recent 0...
How to disable / enable dialog negative positive buttons?
...ilder = new AlertDialog.Builder(this);
builder.setPositiveButton(android.R.string.ok, null);
AlertDialog dialog = builder.create();
dialog.setOnShowListener(new OnShowListener() {
@Override
public void onShow(DialogInterface dialog) {
if (condition) {
((AlertDialog)dial...
An App ID with Identifier '' is not available. Please enter a different string
I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided.
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How to push both value and key into PHP array
...like this
array (size=3)
'type' =>
array (size=3)
0 => string 'text' (length=4)
1 => string 'text' (length=4)
2 => string 'text' (length=4)
'class' =>
array (size=3)
0 => string 'myclass1' (length=8)
1 => string 'myclass2' (length=8)
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