Question: the shortest path for recycling all garbage
Train of Thought: First BFS processes the distance between two spam, and then DFS memory-based search
Dp [I] [state] indicates that the status after I is processed is the shortest path of state.
It is very important to regularly Delete the mysql Master/Slave binlog. Generally, you can use expire_logs_days = 10 to set the number of days that binlog is retained. mysql5.0 is not supported in the current version), but sometimes this is not
Use constructors to ensure initialization. Java object creation and initialization are the same concept.
Methods To distinguish between overloaded Methods: A list of unique parameter types
Constructor: If there is no constructor, the compiler
Yum (all called Yellow dog Updater, Modified) is a Shell front-end Package Manager in Fedora. Based on RPM package management, You can automatically download and install the RPM package from the specified server, automatically handle dependencies,
HP-NX6120NotebookIt also belongs to the Business series,IndividualsI think it belongs to the medium and low series of the Business series. The overall stability is a little thick, but it is surprisingly good. It is estimated that there are very few
I recently worked overtime and didn't have time to read it. It took a long time to write this.
Initialization and cleanup
1. Use the constructor to ensure initialization:
1) when creating an object, it allocates storage space for the object and
Author: Jiangnan Baiyi
Too many books have been written in the generic Syntax of Java 5. GP must be useful. Otherwise, Java and C # will not be able to support GP at the same time. But it is also clear that the GP and ruby-style dynamic oo
To avoid accumulating excessive amounts of useless records in the system over time, you can regularly clean up records by following the techniques described below. The following is an example of a Win7 system:
One, clear from the taskbar
When the
Inner wall of microwave oven
Cheats: Do not put a hand and the whole head into the microwave to pull ah wipe. The smart thing is to put a dish full of detergent (microwave oven) into the Furnace "Sauna", click on the strong file microwave for 5
Many friends are infected by moving the disk copy, especially the U disk, especially in the Internet café, when you copy the thing is, use DOS to enter your mobile disk dir/a display all files, if found in the Recruit, There are Sxs.exe and
1, we have a lot of applications can double-click the Home button, and then will open the background management interface, where you can slide up the end page.
2, if you want to close one of the applications, use your finger to drag the
Preparation Tools
1. Cell phone must have root permission
2. Then we install a file manager on the phone, such as re file manager
How to clean up memory
1: Step: Open the RE manager, find/data/dalvik-cache,dalvik-cache directly deleted.
2:
One, micro-letter Delete chat record
1) Delete a single chat record
If you are chatting with someone, you want to delete a single chat record. This is very simple, as long as the finger to delete the chat record, will pop up an action dialog box,
Red Meter Pro Set automatic clean up memory tutorial:
1, first red Meter Pro mobile phone We open the "Security Center", and then we open into the "gear" settings, the effect is as shown below.
2, then we click on the interface "lock
Method One, directly find the C disk to clean
The first step, we found on the desktop "computer or My Computer" (XP is called My Computer, Win7 after the computer "," below the Win7 as an example as shown in the following figure;
The second
1. We open the computer in the lower right corner of the 360 security Guardian icon, open and click "Software Management", as shown in the following figure
2. Then in the Software management interface we click on the top of the "software Delete"
QQ Sticky worm is a virus, is to use a false QQ landing page to deceive you, so that your QQ number stolen away! The danger is great! Small partners must pay attention, serious precautions!
QQ Sticky worm transmission way:
1, disguised as a QQ
1, open the lower left corner of the computer "Start" menu, find a hit "Run" option, click Open;
2, in the pop-up running dialog box input "cmd", click OK, enter the DOS interface;
3, enter the command line interface, input "for%i in
U disk again in the Autorun virus, really annoying! Is there a simple anti-virus method?
First insert the U disk, then create a new text document, add the following in it:
@echo on
Taskkill/im explorer.exe/f
Taskkill/im W.exe
Start reg add
In the process of using a computer, there are so many problems that many Windows XP users learn a lot about problem solving skills. There is a computer problem that we usually do not encounter at ordinary times, but encountered or will affect us,
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