大约有 19,000 项符合查询结果（耗时：0.0298秒） [XML]
How to fix “Incorrect string value” errors?
... this problem today by altering the column to 'LONGBLOB' type which stores raw bytes instead of UTF-8 characters.
The only disadvantage of doing this is that you have to take care of the encoding yourself. If one client of your application uses UTF-8 encoding and another uses CP1252, you may have y...
Catch Ctrl-C in C
...
Or you can put the terminal in raw mode, like this:
struct termios term;
term.c_iflag |= IGNBRK;
term.c_iflag &= ~(INLCR | ICRNL | IXON | IXOFF);
term.c_lflag &= ~(ICANON | ECHO | ECHOK | ECHOE | ECHONL | ISIG | IEXTEN);
term.c_cc[VMIN] = 1;
term...
Which sort algorithm works best on mostly sorted data? [closed]
...ORT
Interested in a good average-case result => QUICKSORT
Items are drawn from a dense universe => BUCKET SORT
Desire to write as little code as possible => INSERTION SORT
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imp...
How can I resize an image using Java?
...ha) {
g.setComposite(AlphaComposite.Src);
}
g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
g.dispose();
return scaledBI;
}
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What is BSON and exactly how is it different from JSON?
...creating indexes on top of values that resides inside the JSON document in raw format. This helps in running efficient analytical queries as NoSQL system were known for having no support for Indexes.
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How to use a variable to specify column name in ggplot
..._col()
}
f("gender")
f("mjr")
x <- "gender"
f(x)
If we'd rather feed raw names to the function we can do:
f2 <- function(column) {
column <- ensym(column)
ggplot(rates.by.groups,
aes(x = name,
y = rate,
fill = !!column,
group = !!...
How to step through Python code to help debug issues?
...llow it: https://github.com/gotcha/ipdb/pull/155
Or alternatively, as in raw pdb 3.2+ you can set some breakpoints from the command line:
ipdb3 -c 'b 12' -c 'b myfunc' ~/test/a.py
although -c c is broken for some reason: https://github.com/gotcha/ipdb/issues/156
python -m module debugging has ...
How do I use method overloading in Python?
...
it's good, but it doesn't work on raw functions, just methods within a class.
– Legit Stack
Mar 1 '19 at 23:42
1
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How do I discover memory usage of my application in Android?
...system to this point.
Going lower-level, you can use the Debug API to get raw kernel-level information about memory usage: android.os.Debug.MemoryInfo
Note starting with 2.0 there is also an API, ActivityManager.getProcessMemoryInfo, to get this information about another process: ActivityManager.g...
Why are joins bad when considering scalability?
...atabase used well. There are a number of scalability-friendly ways to take raw joins and make them much faster:
Join on a surrogate key (autonumer/identity column) rather than a natural key. This means smaller (and therefore faster) comparisons during the join operation
Indexes
Materialized/indexed...