大约有 30,000 项符合查询结果(耗时:0.0544秒) [XML]
Convert NSNumber to int in Objective-C
I use [NSNumber numberWithInt:42] or @(42) to convert an int to NSNumber before adding it to an NSDictionary:
5 Answers...
How to run cron job every 2 hours
How can I write a Crontab that will run my /home/username/test.sh script every 2 hours?
5 Answers
...
How to get the last N rows of a pandas DataFrame?
...... I did forget :o
– Mike Rapadas
Jun 30 at 22:11
add a comment
|
...
How to add target=“_blank” to JavaScript window.location?
...
window.location sets the URL of your current window. To open a new window, you need to use window.open. This should work:
function ToKey(){
var key = document.tokey.key.value.toLowerCase();
if (key == "smk") {
window.open('http://www...
Use curly braces to initialize a Set in Python
I'm learning python, and I have a novice question about initializing sets. Through testing, I've discovered that a set can be initialized like so:
...
How can I use 'Not Like' operator in MongoDB
I can use the SQL Like Operator using pymongo ,
2 Answers
2
...
OrderBy descending in Lambda expression?
I know in normal Linq grammar, orderby xxx descending is very easy, but how do I do this in Lambda expression?
6 Answers
...
Remove leading and trailing spaces?
I'm having a hard time trying to use .strip with the following line of code.
4 Answers
...
Deprecated ManagedQuery() issue
...
You could replace it with context.getContentResolver().query and LoaderManager (you'll need to use the compatibility package to support devices before API version 11).
However, it looks like you're only using the query one tim...
What does the 'Z' mean in Unix timestamp '120314170138Z'?
...
Yes. 'Z' stands for Zulu time, which is also GMT and UTC.
From http://en.wikipedia.org/wiki/Coordinated_Universal_Time:
The UTC time zone is sometimes denoted by the letter Z—a reference to
the equivalent nautical time zone (GMT), which ...