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How to run a program without an operating system?
... select to boot from the USB.
It is often possible to configure the search order in those menus.
For example, on my T430 I see the following.
After turning on, this is when I have to press Enter to enter the boot menu:
Then, here I have to press F12 to select the USB as the boot device:
From th...
Postgres: Distinct but only for one column
...ame. If you want to control which of the rows will be returned you need to order:
select distinct on (name)
name, col1, col2
from names
order by name, col1
Will return the first row when ordered by col1.
distinct on:
SELECT DISTINCT ON ( expression [, ...] ) keeps only the first row of each se...
How can I remove the first line of a text file using bash/sed script?
...istopherSahnwaldt -- tail is much, much slower than the sed variant, by an order of magnitude. I'm testing it on a file of 500,000K lines (no more than 50 chars per line). However, I then realized I was using the FreeBSD version of tail (which comes with OS X by default). When I switched to GNU tail...
postgresql list and order tables by size
How can I list all the tables of a PostgreSQL database and order them by size ?
7 Answers
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How do I manage conflicts with git submodules?
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This worked for me. I'm still figuring what they did in order to damage the submodule
– Checo R
May 31 '17 at 21:26
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What specific productivity gains do Vim/Emacs provide over GUI text editors?
...ion is painful for a lot of programmers, and writing proper macros can be borderline entertaining. If you're not doing everything through the keyboard, creating macros will require an extra set of commands rather than making use of the ones you already are using.
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...data several seconds faster. That is a
massive real-world difference. In order to make the tests fair, the
times for AsyncTasks/Volley included the JSON parsing as Retrofit does
it for you automatically.
RetroFit Wins in benchmark test!
In the end, we decided to go with Retrofit for ...
How do I use InputFilter to limit characters in an EditText in Android?
...subsequence the source? Do you see anything wrong with just doing this (in order to only allow alphanumerics plus a few special characters): String replacement = source.subSequence(start, end).toString(); return replacement.replaceAll("[^A-Za-z0-9_\\-@]", "");
– Splash
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Regular expression to allow spaces between words
...egex interpreter that I needed to wrap the entire string in parentheses in order for the first match to be the entire string, and not just the words coming after the first space. That is ^- (\w+( \w+)*)$ worked for me.
– NoseKnowsAll
Jul 16 at 15:57
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setBackground vs setBackgroundDrawable (Android)
...nt) accepts resource id, therefore it has to inflate the view each time in order to set the background. I do not want such behaviour, assuming I already have inflated Drawable. Am I missing something?
– azizbekian
Dec 1 '15 at 12:30
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