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How can I use a file in a command and redirect output to the same file without truncating it?
...can use a temporary file though.
#!/bin/sh
tmpfile=$(mktemp)
grep -v 'seg[0-9]\{1,\}\.[0-9]\{1\}' file_name > ${tmpfile}
cat ${tmpfile} > file_name
rm -f ${tmpfile}
like that, consider using mktemp to create the tmpfile but note that it's not POSIX.
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Android: how to draw a border to a LinearLayout
...gt;
<corners
android:radius="2dp"
android:topRightRadius="0dp"
android:bottomRightRadius="0dp"
android:bottomLeftRadius="0dp" />
<stroke
android:width="1dp"
android:color="@android:color/white" />
</shape>
and define android:background="@dr...
How to submit a form using PhantomJS
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230
I figured it out. Basically it's an async issue. You can't just submit and expect to render the ...
bool operator ++ and --
...1) or true (if the integral value is anything else - notably this includes 0 [false] and 2 or more [true]).
So as a short-hand ++ worked, and -- didn't.
++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17.
This assumes that I onl...
Byte[] to InputStream or OutputStream
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200
You create and use byte array I/O streams as follows:
byte[] source = ...;
ByteArrayInputStrea...
How to add Action Bar from support library into PreferenceActivity?
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EDIT: In appcompat-v7 22.1.0 Google added the AppCompatDelegate abstract class as a delegate you can use to extend AppCompat's support to any activity.
Use it like this:
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import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCo...
LINQ Distinct operator, ignore case?
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edited Jan 12 '09 at 7:38
answered Nov 12 '08 at 6:41
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Set background color of WPF Textbox in C# code
...sh(Colors.White);
textBox1.Background = new SolidColorBrush(Color.FromArgb(0xFF, 0xFF, 0, 0));
textBox1.Background = System.Windows.SystemColors.MenuHighlightBrush;
share
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improve this answer
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adb update a non-market apk?
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answered Mar 10 '10 at 8:17
Vidar VestnesVidar Vestnes
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How to set the value to a cell in Google Sheets using Apps Script?
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220
The following code does what is required
function doTest() {
SpreadsheetApp.getActiveSheet()....