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Can't find the 'libpq-fe.h header when trying to install pg gem
...all pg -- --with-pg-config=/opt/local/lib/postgresql[version number]/bin/pg_config
For OpenSuse: zypper in postgresql-devel
For ArchLinux: pacman -S postgresql-libs
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How do Python functions handle the types of the parameters that you pass in?
...rator that throws the TypeErrors for you (the information is stored in the __annotations__ attribute of the function object).
– erb
Feb 22 '16 at 7:29
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Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
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HEy @Alex_Nabu - I have already shared the examples in my post. If you still face any challenges please update me I will help you.
– Anand Deep Singh
Jun 21 '15 at 17:56
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Changing the background drawable of the searchview widget
...nd set our own.
NOTE: Solution below depends only on id (android:id/search_plate) of element within SearchView, so it's more SDK-version independent than children traversal (e.g. using searchView.getChildAt(0) to get to the right view within SearchView), but it's not bullet-proof. Especially if som...
How do I find the install time and date of Windows?
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In regedit.exe go to:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\InstallDate
It's given as the number of seconds since January 1, 1970. (Note: for Windows 10, this date will be when the last feature update was installed, not the...
What is the correct way to make a custom .NET Exception serializable?
... // ...
public string JsonFilePath
{
get { return Data[@"_jsonFilePath"] as string; }
private set { Data[@"_jsonFilePath"] = value; }
}
public string Json
{
get { return Data[@"_json"] as string; }
private set { Data[@"_json"] = value; }
}
...
How to Copy Text to Clip Board in Android?
...rdManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
ClipData clip = ClipData.newPlainText(label, text);
clipboard.setPrimaryClip(clip);
make sure you have imported android.content.ClipboardManager and NOT android.text.ClipboardManager. Latter is deprecated.
Che...
Adding placeholder text to textbox
...der text it is possible to use the Windows SendMessage function to send EM_SETCUEBANNER message to our textbox to do the work for us.
This can be done with two easy steps. First we need to expose the Windows SendMessage function.
private const int EM_SETCUEBANNER = 0x1501;
[DllImport("user32.dll...
Get filename and path from URI from mediastore
...ontentResolver().query(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
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How to filter None's out of List[Option]?
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someList.filter(_.isDefined) if you want to keep the result type as List[Option[A]]
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