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How do I list all the columns in a table?
... Editing, since DESCRIBE is not an Oracle PLSQL instruction but a SQL*Plus command, and as such it doesn't work in most SQL IDEs.
– walen
Dec 13 '18 at 14:29
add a comment
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FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
...FAT32上数据的读取便游刃有余了。
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FAT32 ...
How to get current foreground activity context in android?
... am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
UPDATE 2018/10/03
getRunningTasks() is DEPRECATED. see the solutions below.
This method was deprecated in API level 21.
As of Build.VERSION_CODES.LOLLIPOP, this ...
ReSharper “Cannot resolve symbol” even when project builds
... Same solution with clear cache (necessary in some cases): stackoverflow.com/a/19772172/2387977
– Dherik
Dec 11 '14 at 13:32
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Undefined method 'task' using Rake 0.9.0
... just updated Rake to the latest version ( 0.9.0.beta.4 ) and the rake command ends up with the following error message:
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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HTML
<div class="container">
<img src="http://i48.tinypic.com/wrltuc.jpg" />
</div>
<br />
<br />
<div class="container">
<img src="http://i47.tinypic.com/i1bek8.jpg" />
</div>
Script
$(window).load(function(){
$('.container').find('img')....
Find the IP address of the client in an SSH session
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@cwd i want to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
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Running a Python script from PHP
...python
Also Python file must have correct privileges (execution for user www-data / apache if PHP script runs in browser or curl)
and/or must be "executable". Also all commands into .py file must have correct privileges:
Taken from php manual:
Just a quick reminder for those trying to use she...
hexadecimal string to byte array in python
...yone is looking for hex string -> bytes object, it's ` bytes.fromhex("000102030405060708090A0B0C0D0E0F")` which yields b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'. Not posting as an answer since question asks for byte array, but posting here since it's the first hit I got when s...
How do I check if a number is positive or negative in C#?
... @SimonFischer There are definitely branches of mathematics, computer science, also regular science which use a negative and positive zero. Chemists and physicists for example will sometimes use -0 for a number which was negative and rounded to zero. Definitions only have meaning withi...