... it works but it is not guaranteed. The documentation says: "The server is free to choose any value from each group, so unless they are the same, the values chosen are indeterminate.". The server doesn't select rows but values (not necessarily from the same row) for each column or expression that ap...

... Feel free to use my simple wrapper. It does NOT implement IDictionary, so it doesn't have to throw exceptions at runtime for dictionary methods that would change the dictionary. Change methods simply aren't there. I made my own in...

...略和使用条款 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}

...eprting tools that do this easily. crashlytics - A crash reporting tool, free of charge but gives you basic reports Advantages : Free Gryphonet - A more advanced reporting tool, requires some kind of fee. Advantages : Easy recreation of crashes, ANR's, slowness... If you are a private developer ...

...treme example, but bear with me). After buying a flight, they will offer a free rental car to its Chairman members. US Airways and Hertz would setup some form of trust, and some way to identify the user. In our case our "federated id" would be the email address, and it would be a one way set of tru...

... When you delete innodb tables, MySQL does not free the space inside the ibdata file, that's why it keeps growing. These files hardly ever shrink. How to shrink an existing ibdata file: https://dev.mysql.com/doc/refman/5.6/en/innodb-system-tablespace.html#innodb-resize-sy...

...so release its heap memory on the calling heap, so it will only be able to free memory again if you're using a shared (.dll or .so) version of the runtime. In short: use C++ strings in all your internal functions and methods. If you ever write a .dll or .so, use C strings in your public (dll/so-exp...

...d a lot better at the expense of some (hopefully) useless characters. Feel free to edit if you have any improvements, I'd love to make the message color depend on whether a commit is signed, but it doesn't seem like that is possible atm. Screenshot ...

...nshot of a perfectly smooth grid, courtesy of this excellent parody fork. Free Tiles And finally, there is a penalty for having too few free tiles, since options can quickly run out when the game board gets too cramped. And that's it! Searching through the game space while optimizing these criteria...

...able that sqlite provides (sqlite does nothing with this variable, you are free to use it however you please). It starts at 0, and you can get/set this variable with the following sqlite statements: > PRAGMA user_version; > PRAGMA user_version = 1; When the app starts, I check the curren...