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Is there a MySQL option/feature to track history of changes to records?
... you want to change a customer record, instead of updating the record, you set the VALID_UNTIL on the current record to NOW(), and insert a new record with a VALID_FROM (now) and a null VALID_UNTIL. You set the "CUSTOMER_USER" status to the login ID of the current user (if you need to keep that). If...
Error :: duplicate files during packaging of APK
Android Studio. I'm getting this kind of error during application run.
8 Answers
8
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jQuery checkbox event handling
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this is already set to the checkbox's DOM element so this.checked is sufficient. You won't need to create another jQuery object for it unless you plan on manipulating it.
– Walf
Oct 13 '11 at 1:43
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Best way to get identity of inserted row?
... off the into part of the output clause and it will output them to a resultset.
– spb
Jan 6 '14 at 19:04
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How to jump to a particular line in a huge text file?
...ld do something like:
# Read in the file once and build a list of line offsets
line_offset = []
offset = 0
for line in file:
line_offset.append(offset)
offset += len(line)
file.seek(0)
# Now, to skip to line n (with the first line being line 0), just do
file.seek(line_offset[n])
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Does Java have a HashMap with reverse lookup?
...p<V, K> result = new HashMap<V, K>();
for(K k: toInvert.keySet()){
result.put(toInvert.get(k), k);
}
return result;
}
Of course you must have a map with unique values. Otherwise, one of them will be replaced.
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Recommended way to embed PDF in HTML?
...splays the first 3 pages, whereas in IE9 its rendering text wrong - its offset some sections of the page. So technically speaking it is buggy. Additionally they expect you to subscribe to print or download documents! Essentially they are taking previously free documents and erecting a paywall around...
Selenium WebDriver: Wait for complex page with JavaScript to load
...ver, is not for everyone and can be used only by you and only on a limited set of pages.
Your solution by observing the HTML code and whether it has or hasn't been changed for some time is not bad (also, there is a method to get the original and not-edited HTML directly by WebDriver), but:
It take...
Where to find Java JDK Source Code? [closed]
...ould like to see what a method in the Java API does. So I want the JDK Source Code.
Before I re-installed Linux I had the src.zip package with all the official source code in it. I just had to tell Eclipse where this file is and I could see the code. But now I don't have the file anymore...
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Any tips on how to organize Eclipse environment on multiple monitors?
...roblem with this is that the new window does not have the original windows settings, and (I believe) if you close it last it will reset Eclipse's settings to the last closed window. I only did this one then switched to maximizing Eclipse across two monitors and splitting the code window into two, on...