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How to view files in binary from bash?
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507
xxd does both binary and hexadecimal.
bin:
xxd -b file
hex:
xxd file
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How to succinctly write a formula with many variables from a data frame?
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209
There is a special identifier that one can use in a formula to mean all the variables, it is th...
Wrong requestCode in onActivityResult
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edited Apr 15 '15 at 21:00
mbm29414
11.3k66 gold badges5050 silver badges8282 bronze badges
answered M...
Nested fragments disappear during transition animation
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+100
In order to avoid the user seeing the nested fragments disappearing when the parent fragment is removed/replaced in a transaction you...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...h a Micro instance running.
Run dd if=/dev/zero of=/swapfile bs=1M count=1024
Run mkswap /swapfile
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful command related t...
How can I group by date time column without taking time into consideration
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OdedOded
452k8484 gold badges820820 silver badges963963 bronze badges
3
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How do I bind a WPF DataGrid to a variable number of columns?
... {
dataGrid.Columns[ne.NewStartingIndex] = ne.NewItems[0] as DataGridColumn;
}
};
}
public static void SetBindableColumns(DependencyObject element, ObservableCollection<DataGridColumn> value)
{
element.SetValue(BindableColumnsProperty...
Remove all the children DOM elements in div
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answered Mar 25 '09 at 21:01
Maurice PerryMaurice Perry
31k88 gold badges6363 silver badges9393 bronze badges
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Node.js/Windows error: ENOENT, stat 'C:\Users\RT\AppData\Roaming\npm'
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1802
Manually creating a folder named 'npm' in the displayed path fixed the problem.
More informati...
How to minify php page html output?
...eliver HTML with GZip - this generally reduces the response size by about 70%. (If you use Apache, the module configuring gzip depends on your version: Apache 1.3 uses mod_gzip while Apache 2.x uses mod_deflate.)
Accept-Encoding: gzip, deflate
Content-Encoding: gzip
Use the following snippet to re...