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How to wait for several Futures?
Suppose I have several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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How do I apply a diff patch on Windows?
...ng a heck of a time trying to apply one. I'm trying to distribute a patch, and I got a question from a user about how to apply it. So I tried to figure it out on my own and found out that I have no clue, and most of the tools I can find are command-line. (I can handle a command line, but a lot of pe...
Combining C++ and C - how does #ifdef __cplusplus work?
...convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will not mangle the C code's names, but I'm not entirely sure how to implement this.
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Vertically align text to top within a UILabel
...y labels orange so you can see clearly what's happening.
Here's the quick and easy way to do this:
[myLabel sizeToFit];
If you have a label with longer text that will make more than one line, set numberOfLines to 0 (zero here means an unlimited number of lines).
myLabel.numberOfLine...
Best practices for SQL varchar column length [closed]
...t into it, not the max length you define. So from a storage point of view (and most probably a performance one as well), it does not make any difference whether you declare a column as VARCHAR(100) or VARCHAR(500).
You should see the max length provided for a VARCHAR column as a kind of constraint...
“for loop” with two variables? [duplicate]
...use:
for i, j in zip(range(x), range(y)):
# Stuff...
Note that if x and y are not the same length, zip will truncate to the shortest list. As @abarnert pointed out, if you don't want to truncate to the shortest list, you could use itertools.zip_longest.
UPDATE
Based on the request for "a f...
Setting up maven dependency for SQL Server
...ernate access to SQL Server database. I set up maven dependencies for it and try to find out SQL Server connector on the same way I know MySql has it.
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It is more efficient to use if-return-return or if-else-return?
...like this. All we have achieved is to make the code obfuscated, unreadable and in some cases more vulnerable to implicit type promotions.
– Lundin
Feb 8 '12 at 10:51
49
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Changing Locale within the app itself
... I used this question as a starting point for my own locale switching code and found out that the method is not exactly correct. It works, but only until any configuration change (e.g. screen rotation) and only in that particular Activity. Playing with a code for a while I have ended up with the fol...
Which SQL query is faster? Filter on Join criteria or Where clause?
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Performance-wise, they are the same (and produce the same plans)
Logically, you should make the operation that still has sense if you replace INNER JOIN with a LEFT JOIN.
In your very case this will look like this:
SELECT *
FROM TableA a
LEFT JOIN
...