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Crontab Day of the Week syntax
In crontab does the Day of the Week field run from 0 - 6 or 1 -7 ?
3 Answers
3
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How do I convert a byte array to Base64 in Java?
...ntln(encoded); // Outputs "SGVsbG8="
String decoded = Base64Utils.decodeFromString(encoded);
println(new String(decoded)) // Outputs "Hello"
Android (with Java < 8)
If you are using the Android SDK before Java 8 then your best option is to use the bundled android.util.Base64.
For direct by...
How to pretty print nested dictionaries?
...r that like this one and bind it to the type you want with set_formater :
from collections import OrderedDict
def format_ordereddict(self, value, indent):
items = [
self.lfchar + self.htchar * (indent + 1) +
"(" + repr(key) + ', ' + (self.types[
type(value[key]) if ...
Should I use document.createDocumentFragment or document.createElement
...and DOM reflow and wondered how document.createDocumentFragment differed from document.createElement as it looks like neither of them exist in the DOM until I append them to a DOM element.
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Calculating how many minutes there are between two times
...l return only the minutes of timespan [0~59], to return sum of all minutes from this interval, just use 'span.TotalMinutes'.
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How can I divide two integers to get a double?
...int representation in binary and its precision take a look at this article from Jon Skeet where he talks about floats and doubles and this one where he talks about decimals.
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How do I tell matplotlib that I am done with a plot?
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As stated from David Cournapeau, use figure().
import matplotlib
import matplotlib.pyplot as plt
import matplotlib.mlab as mlab
plt.figure()
x = [1,10]
y = [30, 1000]
plt.loglog(x, y, basex=10, basey=10, ls="-")
plt.savefig("first.ps...
How to pass an ArrayList to a varargs method parameter?
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@JoshM. Java needs a lot of things. ;) I also (coming from a C# background) miss index operators. Working with dictionaries is much more smooth in C# than working with HashMaps in Java.
– Per Lundberg
Jan 15 '19 at 9:12
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...eceived signal SIGSEGV, Segmentation fault.
0xb7e9a1ca in _IO_vfscanf () from /lib/tls/i686/cmov/libc.so.6
(gdb) c --在上面我们接收到了SIGSEGV,然后用c(continue)继续执行
Continuing.
Program terminated with signal SIGSEGV, Segmentation fault.
The program no long...
Escape single quote character for use in an SQLite query
...ble_name (field1, field2) VALUES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two single quotes in a row - as in Pascal. C-style escapes using...