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What is the best way to solve an Objective-C namespace collision?
...uld prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to the project, e.g. Adium prefixes classes with "AI" (as there is no company behind it of that you could take the initials). Apple prefixes classes with NS and says this prefix is rese...
Create a menu Bar in WPF?
... I have prepared a comprehensive tutorial on WPF Menus, Command Binding adding Shortcut keys etc at youtu.be/bdmVWGjpA_8
– Zaheer
Apr 26 at 1:18
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Virtualizing an ItemsControl?
...l with ListBox :)
Also, check out this Optimizing Performance on MSDN page and notice that ItemsControl isn't in the "Controls That Implement Performance Features" table, which is why we need to edit the control template.
sh...
How to force R to use a specified factor level as reference in a regression?
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Others have mentioned the relevel command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the f...
Why do loggers recommend using a logger per class?
...u still do this, but you can do it once per class instead of once per call and eliminate a serious performance problem.
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Chrome extension: force popup.html to close
...nt listener to the background page. The background page triggers the event and the foreground responds by closing itself.
– Sean Anderson
Dec 20 '14 at 1:02
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How to flatten only some dimensions of a numpy array
...-1.
# In this case, the value is inferred from
# the length of the array and remaining dimensions.
>>> another_arr = arr.reshape(-1, arr.shape[-1])
>>> another_arr.shape
# (5000, 25)
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How to verify a method is called two times with mockito verify()
... if a method is called at least once through mockito verify. I used verify and it complains like this:
1 Answer
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In MySQL, how to copy the content of one table to another table within the same database?
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If table1 is large and you don't want to lock it for the duration of the copy process, you can do a dump-and-load instead:
CREATE TABLE table2 LIKE table1;
SELECT * INTO OUTFILE '/tmp/table1.txt' FROM table1;
LOAD DATA INFILE '/tmp/table1.txt...
Why does isNaN(“ ”) (string with spaces) equal false?
...2) Check if that number is the numerical value NaN. That helped me understand it better.
– xdhmoore
Feb 20 '14 at 23:08
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