大约有 30,000 项符合查询结果（耗时：0.0502秒） [XML]
Can Protractor and Karma be used together?
... additional files or files irrelevant to your project, only providing some extra configuration - you name it!
You can have multiple karma config files for different purposes, which you can run in parallel or one-by-one. Each karma process launches its own set of browsers (these are currently avail...
Deleting Row in SQLite in Android
...like this:
//---deletes a particular title---
public boolean deleteTitle(String name)
{
return db.delete(DATABASE_TABLE, KEY_NAME + "=" + name, null) > 0;
}
or
public boolean deleteTitle(String name)
{
return db.delete(DATABASE_TABLE, KEY_NAME + "=?", new String[]{name}) > 0;
}
...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...e integers and I need it in integer type in a query. Some values are empty strings.
The following:
13 Answers
...
How to copy a file to multiple directories using the gnu cp command
... Thanks for the answer! Now that I think about it a bit more, without extra flags (which do not exist) cp will not know what is the source and what is the DEST dir.
– Tom Feiner
Oct 12 '08 at 16:39
...
List of lists into numpy array
...eeded ndmin=number-of-list-layers-minus-1 for some reason, else created an extra layer -- need to investigate)
– Venryx
May 19 at 3:50
...
Return multiple values to a method caller
... that C# 7 has been released, you can use the new included Tuples syntax
(string, string, string) LookupName(long id) // tuple return type
{
... // retrieve first, middle and last from data storage
return (first, middle, last); // tuple literal
}
which could then be used like this:
var n...
AddRange to a Collection
...
I am serious, actually.The main reason is that it's extra cognitive-load, which is often really quite difficult. You're constantly trying to evaluate negative conditions, which is usually relatively hard, you have both branches anyway, it's (IMO) easier to say 'if null' do th...
How to query MongoDB with “like”?
...egexp's '.*'), not something that has "m" anchored to the beginning of the string.
note: mongodb uses regular expressions which are more powerful than "LIKE" in sql. With regular expressions you can create any pattern that you imagine.
For more info on regular expressions refer to this link
https...
Why (0-6) is -6 = False? [duplicate]
...
It is happening because CPython caches some small integers and small strings and gives every instance of that object a same id().
(0-5) and -5 has same value for id(), which is not true for 0-6 and -6
>>> id((0-6))
12064324
>>> id((-6))
12064276
>>> id((0-5))
10022...
What is a smart pointer and when should I use one?
...
A smart pointer is like a regular (typed) pointer, like "char*", except when the pointer itself goes out of scope then what it points to is deleted as well. You can use it like you would a regular pointer, by using "->", but not if you need an actual pointer to the data. For tha...