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Remove an element from a Bash array
...$delete}
pippo
$ array=( "${array[@]/$delete}" ) #Quotes when working with strings
If need to delete more than one element:
...
$ delete=(pluto pippo)
for del in ${delete[@]}
do
array=("${array[@]/$del}") #Quotes when working with strings
done
Caveat
This technique actually removes prefixes...
How to find the last field using 'cut'
...,baz,qux
last=${data##*,}
See BashFAQ #100 for an introduction to native string manipulation in bash.
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Pandas read_csv low_memory and dtype options
...s cannot know it is only numbers, it will probably keep it as the original strings until it has read the whole file.
Specifying dtypes (should always be done)
adding
dtype={'user_id': int}
to the pd.read_csv() call will make pandas know when it starts reading the file, that this is only integers.
A...
How can I delete a service in Windows?
I have a couple old services that I want to completely uninstall. How can I do this?
13 Answers
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How to adjust text font size to fit textview
...ng the text box is the specified width.
*/
private void refitText(String text, int textWidth)
{
if (textWidth <= 0)
return;
int targetWidth = textWidth - this.getPaddingLeft() - this.getPaddingRight();
float hi = 100;
float lo = 2;
...
How Do You Clear The IRB Console?
...
@fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work.
– Fan Yer
May 19 '17 at 9:06
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How to build an APK file in Eclipse?
...
The APK file is in the /workspace/PROJECT_FOLDER/bin directory. To install the APK file in a real device:
Connect your real device with a PC/laptop.
Go to sdk/tools/ using a terminal or command prompt.
adb install <FILE PATH OF .APK FILE>
That's it...
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ModelState.IsValid == false, why?
...elStateDictionary.AddModelError method takes a key, and Exception or error String; it's required to add a model error.
– Michael G
Nov 24 '09 at 19:16
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Determining the current foreground application from a background task or service
...ts it, then you can easily access details of the foreground app/activity:
String foregroundTaskPackageName = foregroundTaskInfo .topActivity.getPackageName();
PackageManager pm = AppService.this.getPackageManager();
PackageInfo foregroundAppPackageInfo = pm.getPackageInfo(foregroundTaskPackageName,...
CSS text-transform capitalize on all caps
... ');
for(var c=0; c < val.length; c++) {
newVal += val[c].substring(0,1).toUpperCase() + val[c].substring(1,val[c].length) + (c+1==val.length ? '' : ' ');
}
$(this).text(newVal);
});
}
$('a.link').ucwords();
...