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How to enable MySQL Query Log?
...og tables (see answer)
Enable Query logging on the database
(Note that the string 'table' should be put literally and not substituted by any table name. Thanks Nicholas Pickering)
SET global general_log = 1;
SET global log_output = 'table';
View the log
select * from mysql.general_log;
Dis...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...'t do the same thing. For instance, Find and Replace will search inside of strings, and Refactor->Rename should not do that.
– Martin Epsz
Apr 30 '15 at 14:54
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Print newline in PHP in single quotes
...
FYI it is possible to get newlines into strings without double quotes:
printf('Please%1$sgive%1$sme%1$snewlines%1$s', PHP_EOL);
Which may be useful If your irrational fear of double quotes knows no bounds. Though I fear this cure may be worse than the disease. ...
PHP: How to check if image file exists?
...
You need the filename in quotation marks at least (as string):
if (file_exists('http://www.mydomain.com/images/'.$filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config
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Is storing a delimited list in a database column really that bad?
...t fetching the whole list.
Can't store a list longer than what fits in the string column.
Hard to search for all entities with a given value in the list; you have to use an inefficient table-scan. May have to resort to regular expressions, for example in MySQL:
idlist REGEXP '[[:<:]]2[[:>:]]'*...
Inserting image into IPython notebook markdown
...e Markdown code that will insert the image then appears.
For example, a string shown highlighted in gray below will appear in the Jupyter cell:

3) Then execute the Markdown cell by hitting Shift-Enter. The Jupyter server ...
org.xml.sax.SAXParseException: Content is not allowed in prolog
...tion: change Document document = documentBuilder.parse(new InputSource(new StringReader(xml))) to Document document = documentBuilder.parse(new InputSource(new ByteArrayInputStream(xml.getBytes("UTF-8"))))
– RealMan
Apr 29 '18 at 6:22
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Taskkill /f doesn't kill a process
When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls.
...
How/When does Execute Shell mark a build as failure in Jenkins?
...d. Didnt know about the -xe default. When my grep comman was not finding a string my entire script failed because grep returned a non 0 return value :)
– Somaiah Kumbera
Sep 28 '15 at 11:21
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Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]
...es, I am a C++ programmer).
#EscapeChar \
; Paste in command window.
^V::
StringReplace clipboard2, clipboard, \r\n, \n, All
SendInput {Raw}%clipboard2%
return
The advantage of using SendInput is that
it doesn't rely on the command prompt system menu having an "Alt+Space E P" menu item to do th...
