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Search All Fields In All Tables For A Specific Value (Oracle)
...ause that will cause lots of I/O and bring the database performance really down as the cache purges.
select column_name from all_tab_columns c, user_all_tables u where c.table_name = u.table_name;
for a start.
I would start with the running queries, using the v$session and the v$sqlarea. This ch...
java: run a function after a specific number of seconds
...it.SECONDS);
// and finally, when your program wants to exit
executor.shutdown();
There are various other factory methods on Executor which you can use instead, if you want more threads in the pool.
And remember, it's important to shutdown the executor when you've finished. The shutdown() method...
Should you ever use protected member variables?
...es exposing the property through getters/setters than hours later tracking down a bug in some other code that modified the protected variable. Not only that, but you are insured against adding future functionality (such as lazy loading) without breaking dependent code. It's harder to do it later tha...
How does one parse XML files? [closed]
..."Root"], and these can be chained: xmlDoc["Root"]["Folder"]["Item"] to dig down the hierarchy (although it's sensible to validate that these elements actually exist)
– Jason Williams
Mar 20 '10 at 14:02
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Suppressing deprecated warnings in Xcode
... this is a the much better long-term solution for most code than clamping down on deprecation (or any other) warnings at a global/project level. terrific answer.
– natbro
Oct 25 '14 at 20:38
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Any way to clear python's IDLE window?
...o clear the screen in IDLE. The best you could do is to scroll the screen down lots of lines, eg:
print ("\n" * 100)
Though you could put this in a function:
def cls(): print ("\n" * 100)
And then call it when needed as cls()
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Switch statement: must default be the last case?
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+1 to compensate for the downvote. Downvoting someone from citing the C standard seems quite harsh.
– Lundin
Nov 13 '13 at 14:50
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Is there a way to run Bash scripts on Windows? [closed]
...ndows 7 Ultimate, and I like to use it to develop applications. One of the down sides (as with every OS) is that I can not run Bash scripts. Is there a way to run Bash scripts on Windows by installing some software? It is ok if it does not work 100%, but as long as the most common functionality is a...
How to set layout_gravity programmatically?
...ong bit, if you're only interested in the answer please scroll all the way down to the code:
android:gravity and android:layout_gravity works differently. Here's an article I've read that helped me.
GIST of article: gravity affects view after height/width is assigned. So gravity centre will not af...
How to add footnotes to GitHub-flavoured Markdown?
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GitHub Flavored Markdown doesn't support footnotes, but you can manually fake it¹ with Unicode characters or superscript tags, e.g. <sup>1</sup>.
¹Of course this isn't ideal, as you are now responsible for maintaining the numberin...