大约有 42,000 项符合查询结果(耗时:0.0214秒) [XML]
what is the difference between GROUP BY and ORDER BY in sql
...orm aggregation functions on non-grouped columns (such as SUM, COUNT, AVG, etc).
share
|
improve this answer
|
follow
|
...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...
So if am pretty comfortable with JQuery JS etc. I need not be concentrating on JSF?
– sushil bharwani
Dec 12 '10 at 14:10
2
...
Understanding ibeacon distancing
...asurement, you always get different results (because of noise, distortion, etc) and very often results form Gaussian distribution. There are two main parameters describing Gaussian curve:
mean (which is easy to understand, it's value for which peak of the curve occurs).
standard deviation, which s...
Non-Relational Database Design [closed]
...eDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables.
...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...oesn't affect your view of any branches.
git remote prune origin and git fetch --prune both operate on references under refs/remotes/... (I'll refer to these as remote references). It doesn't affect local branches. The git remote version is useful if you only want to remove remote references unde...
MVC (Laravel) where to add logic
...return data and this is not the place to put validations, call db methods, etc..
Models: Is this a good place to add logic like sending an welcome email when a user registers or update the vote count of a post? What if you need to send the same email from another place in your code? Do you create ...
C++ Build Systems - What to use? [closed]
...pendency tracking, early exit after code generation to trigger a re-cmake, etc. See: javaglue.com/javaglue.html#tag:JavaGlue and code.google.com/p/javaglue
– sdw
Jun 18 '13 at 2:28
...
How to connect to Mysql Server inside VirtualBox Vagrant?
...OS): sed -i 's/symbolic-links=0/symbolic-links=0\nbind-address=0.0.0.0/g' /etc/my.cnf
– ronan_mac
Jun 10 '14 at 13:54
...
phpmyadmin logs out after 1440 secs
...ime by adding the following to your config.inc.php file (typically in the /etc/phpmyadmin directory): ini_set('session.gc_maxlifetime', '36000'); This will also localize it to phpmyadmin and not affect the Garbage Collection period of other PHP scripts. And, based on the documentation, the config.i...
Is there a Java API that can create rich Word documents? [closed]
...o lets you build MS-Office-compatible charts, spreadsheets, presentations, etc. We were able to dynamically build sophisticated Word documents, including charts and tables.
We simplified the process by using template MS-Word documents with bookmark inserts into which the software inserted conten...