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Linux command (like cat) to read a specified quantity of characters
...e # returns the last 100 bytes in the file
You can combine these to get ranges of bytes. For example, to get the second 100 bytes from a file, read the first 200 with head and use tail to get the last 100:
head -c 200 file | tail -c 100
...
How do I check that a number is float or integer?
...e goal is to check for signed int32 values. So this won't work with out of range numbers. isInteger(5000000000) will return false which is wrong!
– Onur Yıldırım
Jan 2 '15 at 20:51
...
How to throw std::exceptions with variable messages?
...
There are different exceptions such as runtime_error, range_error, overflow_error, logic_error, etc.. You need to pass the string into its constructor, and you can concatenate whatever you want to your message. That's just a string operation.
std::string errorMessage = std::st...
What is the id( ) function used for?
...
But if you use numbers beyond the range of -5 to 256, you won't get the same id for fii variable.
– saurav
Jan 23 '18 at 5:49
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find vs find_by vs where
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When query value out of range, find_by will rescue ::RangeError from where(*args) and return nil.
– fangxing
May 6 '19 at 8:39
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Find the last element of an array while using a foreach loop in PHP
...ators as well, especially as it has been asked for a standard way:
$arr = range(1, 3);
$it = new CachingIterator(new ArrayIterator($arr));
foreach($it as $key => $value)
{
if (!$it->hasNext()) echo 'Last:';
echo $value, "\n";
}
You might find something that does work more flexible for ...
Can I bind an array to an IN() condition?
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IN() can use an index, and counts as a range scan. FIND_IN_SET() can't use an index.
– Bill Karwin
Oct 3 '13 at 0:59
1
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Pandas timeseries plot setting x-axis major and minor ticks and labels
... matplotlib.pyplot as plt
import matplotlib.dates as dates
idx = pd.date_range('2011-05-01', '2011-07-01')
s = pd.Series(np.random.randn(len(idx)), index=idx)
fig, ax = plt.subplots()
ax.plot_date(idx.to_pydatetime(), s, 'v-')
ax.xaxis.set_minor_locator(dates.WeekdayLocator(byweekday=(1),
...
Why does C++ not have reflection?
...object can be optimized away.
operator[] on a vector is only comparable to raw
array indexing in performance
because the entire operator can be
inlined and thus removed entirely
from the compiled code. C# and Java
make a lot of guarantees about the
output of the compiler. If I define
a class in C#, ...
Is there a Java API that can create rich Word documents? [closed]
...ed (commercial) class library for Java that enables you to perform a great range of document processing tasks directly within your Java applications.
Aspose.Words for Java supports DOC, OOXML, RTF, HTML and OpenDocument formats. With Aspose.Words you can generate, modify, and convert documents ...