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Get current date in milliseconds
...gits
long timestamp = (digits * 1000) + decimalDigits;
or (if you need a string):
NSString *timestampString = [NSString stringWithFormat:@"%ld%d",digits ,decimalDigits];
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How to write log to file
...because it opens the file "for reading:"
func Open
func Open(name string) (file *File, err error) Open opens the named
file for reading. If successful, methods on the returned file can be
used for reading; the associated file descriptor has mode O_RDONLY. If
there is an error, it will...
How do I clear only a few specific objects from the workspace?
...("^tmp", ls())])
thereby removing all objects whose name begins with the string "tmp".
Edit: Following Gsee's comment, making use of the pattern argument:
rm(list = ls(pattern = "^tmp"))
Edit: Answering Rafael comment, one way to retain only a subset of objects is to name the data you want to ...
How to add a list item to an existing unordered list?
...
I love this. I hate messing with strings and quotes :) BTW: Other option would be stackoverflow.com/a/4673436/112000
– Tomáš Fejfar
Apr 10 '12 at 11:53
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Escaping ampersand in URL
I am trying to send a GET message that contains strings with ampersands and can't figure how to escape the ampersand in the URL.
...
How to alter a column and change the default value?
...
It's the default string the OP was asking for. When you specify no value for this column when inserting a row, the value becomes {}.
– fancyPants
Sep 8 '18 at 19:41
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What are the best practices for JavaScript error handling?
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An immensely interesting set of slides on Enterprise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server...
Why is my Git Submodule HEAD detached from master?
...
EDIT:
See @Simba Answer for valid solution
submodule.<name>.update is what you want to change, see the docs - default checkout
submodule.<name>.branch specify remote branch to be tracked - default master
OLD ANSWER:
Personally I h...
What is the purpose of mock objects?
...s the cook returns the correct dish for each order.
Its harder to test a middle component, like the waiter, that utilizes the behavior of other components. A naive tester might test the waiter component the same way we tested the cook component:
cook <- waiter <- test driver
The test driv...
What exactly does the post method do?
...hich implements Runnable.
getView().post(new Runnable() {
@Override
public void run() {
getView().startAnimation(a);
}
});
code : getView().startAnimation(a);
in your code,
post causes the Runnable (the code will be run a in different thread) to ad...