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What is the difference between ports 465 and 587?
These ports 465 and 587 are both used for sending mail (submitting mail) but what is the real difference between them?
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What is the error “Every derived table must have its own alias” in MySQL?
...ts must be given an alias (AS whatever), which can the be used to refer to it in the rest of the outer query.
SELECT ID FROM (
SELECT ID, msisdn FROM (
SELECT * FROM TT2
) AS T
) AS T
In your case, of course, the entire query could be replaced with:
SELECT ID FROM TT2
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What are bitwise operators?
I'm someone who writes code just for fun and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
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Worst security hole you've seen? [closed]
What is the worst security hole you've ever seen? It is probably a good idea to keep details limited to protect the guilty.
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iOS5 Storyboard error: Storyboards are unavailable on iOS 4.3 and prior
I've built a small app using storyboards and it ran great. Just before final testing I decided to try it out to see if it runs on iOS 4.3. I clicked on the gray 5.0 in the project settings and selected 4.3.
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String formatting named parameters?
I know it's a really simple question, but I have no idea how to google it.
6 Answers
6...
Remove the last line from a file in Bash
...ion does not exist in GNU sed versions older than 3.95, so you have to use it as a filter with a temporary file:
cp foo.txt foo.txt.tmp
sed '$ d' foo.txt.tmp > foo.txt
rm -f foo.txt.tmp
Of course, in that case you could also use head -n -1 instead of sed.
MacOS:
On Mac OS X (as of 10.7.4), t...
Why is Thread.Sleep so harmful
I often see it mentioned that Thread.Sleep(); should not be used, but I can't understand why this is so. If Thread.Sleep(); can cause trouble, are there any alternative solutions with the same result that would be safe?
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Check if a string is html or not
I have a certain string for which I want to check if it is a html or not. I am using regex for the same but not getting the proper result.
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How does the getView() method work when creating your own custom adapter?
...flater takes your layout XML-files and creates different View-objects from its contents.
2: The adapters are built to reuse Views, when a View is scrolled so that is no longer visible, it can be used for one of the new Views appearing. This reused View is the convertView. If this is null it means...