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Convert INT to VARCHAR SQL
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Thanks. But now I got another error. When I try to do this kind of Select : SELECT CONVERT(varchar(10), field_name) FROM table_name. Or even the normal one like: SELECT field_name FROM table_name. Both are correct. I dont know why. But w...
Is python's sorted() function guaranteed to be stable?
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They are stable.
By the way: you sometimes can ignore knowing whether sort and sorted are stable, by combining a multi-pass sort in a single-pass one.
For example, if you want to sort objects based on their last_name, first_name attributes, you can do it in one pass:
sorted_lis...
Inheritance and Overriding __init__ in python
...le dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass b...
std::auto_ptr to std::unique_ptr
...ou cannot do a global find/replace because you can copy an auto_ptr (with known consequences), but a unique_ptr can only be moved. Anything that looks like
std::auto_ptr<int> p(new int);
std::auto_ptr<int> p2 = p;
will have to become at least like this
std::unique_ptr<int> p(n...
no gravity for scrollview. how to make content inside scrollview as center
...;/ScrollView>
Just remember that the reason it is being centered here now is because of the android:gravity on the LinearLayout since the ScrollView will stretch the LinearLayout so keep that in mind depending on what you add to the layout.
Another good read on ScrollView although not about ce...
How do you simulate Mouse Click in C#?
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@Jez - Handy to know, thanks. Not seen any issues yet myself, but now I at least know some exist ;0)
– Rusty Nail
Oct 22 '18 at 1:05
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Equivalent of varchar(max) in MySQL?
...ATE TABLE foo ( v VARCHAR(65532) );
Query OK, 0 rows affected (0.01 sec)
Now if we try to use a multibyte charset at the table level, we find that it counts each character as multiple bytes. UTF8 strings don't necessarily use multiple bytes per string, but MySQL can't assume you'll restrict all yo...
How to style icon color, size, and shadow of Font Awesome Icons
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@Ace I know this is old and you might have learned this by now but for others as well that have the question you might want to look into specificity here and also here. The other thing to know is the CSS cascade; for example styles a...
What's the fastest way to read a text file line-by-line?
I want to read a text file line by line. I wanted to know if I'm doing it as efficiently as possible within the .NET C# scope of things.
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Static link of shared library function in gcc
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Yeah, I know this is an 8 year-old question, but I was told that it was possible to statically link against a shared-object library and this was literally the top hit when I searched for more information about it.
To actually demonst...