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Understanding the basics of Git and GitHub [closed]
...escribe each of your commits, which makes it significantly easier to track down a specific previous version of a given file (and potentially revert to that previous version).
If you ever need help with your code, having it tracked by Git and hosted on GitHub makes it much easier for someone else to ...
grep exclude multiple strings
... sequentially, where each one of them filters something out. It could slow down things significantly.
– Artem Oboturov
Jul 31 '17 at 15:20
add a comment
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How to show disable HTML select option in by default?
I am new to HTML and PHP and want to achieve a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is
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Check to see if python script is running
... the PID in the file exists. Don't forget to delete the file when you shut down cleanly, and check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
print "%s already exists, exiting" % pidfile...
Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
...e margins. This way, all
the content in your columns is visually aligned down the left side.
And about the solution, which was documented as well:
Columns have horizontal padding to create the gutters between
individual columns, however, you can remove the margin from rows and
padding fr...
Entity Framework select distinct name
...o IEnumreable.. can you show me how to get a list so I can populate a drop down list, with distinct values from a table column containing NVARCHAR in EF DB.
– aggie
Oct 22 '14 at 0:37
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Getting current device language in iOS?
...e stuff after the dash gives the region, the rest is just for narrowing it down further (such as local dialects). zh is listed as the iso code for Chinese. For those looking for a specific language like I was, try the IANA registry
– Xono
Sep 25 '12 at 5:52
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...anaged threads, or with just one lone process -- the difference might come down to thread context switching or operating system schedule optimizations, but if both tasks are going to the CPU it would be similar in either case.
It is useful to imagine a lot of the unusual or stupid corner cases you ...
Equals(=) vs. LIKE
...cifiers of P.
(Emphasis added.)
This is pretty wordy, so let's break it down. Items ii and iii refer to the wildcards _ and %, respectively. If P does not contain any wildcards, then only item iv applies. This is the case of interest posed by the OP.
In this case, it compares each "substring" (i...
Detect if a page has a vertical scrollbar?
...n Chrome. And here's another demo where a positioned element is placed far down the page. Your detection works in Chrome but fails in FF.
– hashchange
Oct 5 '16 at 10:00
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