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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...'* * * * * *' - runs every second
'*/5 * * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5' ...
How do you tell if a string contains another string in POSIX sh?
...zed version with some examples:
# contains(string, substring)
#
# Returns 0 if the specified string contains the specified substring,
# otherwise returns 1.
contains() {
string="$1"
substring="$2"
if test "${string#*$substring}" != "$string"
then
return 0 # $substring is ...
How to connect android emulator to the internet
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answered Apr 24 '10 at 0:07
VaughnVaughn
2,98011 gold badge1313 silver badges22 bronze badges
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How to make an unaware datetime timezone aware in python
...ocalize method:
import datetime
import pytz
unaware = datetime.datetime(2011, 8, 15, 8, 15, 12, 0)
aware = datetime.datetime(2011, 8, 15, 8, 15, 12, 0, pytz.UTC)
now_aware = pytz.utc.localize(unaware)
assert aware == now_aware
For the UTC timezone, it is not really necessary to use localize sin...
How do I check if an element is really visible with JavaScript? [duplicate]
...
+100
For the point 2.
I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an el...
Javascript Drag and drop for touch devices [closed]
...
260
You can use the Jquery UI for drag and drop with an additional library that translates mouse eve...
sizeof single struct member in C
...
204
Although defining the buffer size with a #define is one idiomatic way to do it, another would b...
Using Mockito with multiple calls to the same method with the same arguments
...n(someMock.someMethod()).thenAnswer(new Answer() {
private int count = 0;
public Object answer(InvocationOnMock invocation) {
if (count++ == 1)
return 1;
return 2;
}
});
Or using the equivalent, static doAnswer method:
doAnswer(new Answer() {
private ...
三个退出程序消息：WM_CLOSE、WM_DESTROY、WM_QUIT区别 - C/C++ - 清泛网 -...
...消息循环终止，然后程序结束。
3、退出程序语句
exit(0);
postquitmessage(0);
onok();oncancel();
sendmessage(wm_close,0,0);
exitprocess(0);
其中以exit(0)最为迅速，在实践方面
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Does Java 8 provide a good way to repeat a value or function?
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edited Aug 30 '13 at 12:43
answered Aug 30 '13 at 12:08
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