大约有 44,000 项符合查询结果(耗时:0.0420秒) [XML]

https://stackoverflow.com/ques... 

how do I check in bash whether a file was created more than x time ago?

... function file-age { FILE_CREATED_TIME=`date -r "$1" +%s`; TIME_NOW=`date +%s`; echo "$[ ${TIME_NOW} - ${FILE_CREATED_TIME} ]"; } – turiyag Apr 28 '18 at 18:50 ...
https://stackoverflow.com/ques... 

Can you give a Django app a verbose name for use throughout the admin?

... listed below. Django 1.7 As stated by rhunwicks' comment to OP, this is now possible out of the box since Django 1.7 Taken from the docs: # in yourapp/apps.py from django.apps import AppConfig class YourAppConfig(AppConfig): name = 'yourapp' verbose_name = 'Fancy Title' then set th...
https://stackoverflow.com/ques... 

Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?

... // $arr1 is still array(2, 3) $arr3 = &$arr1; $arr3[] = 4; // now $arr1 and $arr3 are the same ?> For the first part, the best way to be sure is to try ;-) Consider this example of code : function my_func($a) { $a[] = 30; } $arr = array(10, 20); my_func($arr); var_dump($arr...
https://stackoverflow.com/ques... 

How to add multiple files to Git at the same time

...4: add untracked 5: patch 6: diff 7: quit 8: help What now> If you press 2 then enter you will get a list of available files to be added: What now> 2 staged unstaged path 1: unchanged +0/-1 TODO 2: unchanged +1/-1 index.html 3: ...
https://stackoverflow.com/ques... 

What is the Git equivalent for revision number?

...es, how can git reasonably assign a sequential revision number? A has no knowledge of B before they push/pull each other's changes. Another thing to look at is simplified branching for bugfix branches: Start with a release: 3.0.8. Then, after that release, do this: git branch bugfixes308 This...
https://stackoverflow.com/ques... 

What does the LayoutInflater attachToRoot parameter mean?

... NOW OR NOT NOW The main difference between the "third" parameter attachToRoot being true or false is this. When you put attachToRoot true : add the child view to parent RIGHT NOW false: add the child view to parent...
https://stackoverflow.com/ques... 

SSH Private Key Permissions using Git GUI or ssh-keygen are too open

...y product of it's target audience). Using the git.exe in Winodws shell is known to have issues, I would advise sticking with msysgit. At least until GitSharp is fully working. – Koby Aug 24 '10 at 21:22 ...
https://stackoverflow.com/ques... 

How to dynamically load a Python class

... Thanks I think this is the best way. Now I only need the best way to split the string 'my_pakcage.my_module.my_class' into mod_name, klass_name but I guess I can figure that out :) – pjesi Feb 13 '09 at 22:42 ...
https://stackoverflow.com/ques... 

MySQL indexes - what are the best practices?

I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...
https://stackoverflow.com/ques... 

How does database indexing work? [closed]

...ive million rows and is unindexed. The performance of several queries will now be analyzed. These are a query using the id (a sorted key field) and one using the firstName (a non-key unsorted field). Example 1 - sorted vs unsorted fields Given our sample database of r = 5,000,000 records of a fixe...