Recursively solve the problem and find the bottom of a box, and return the top heap of the box.
The DP thought is optimized. for situations where a box has already been obtained as the base, use a map to record it and then return it directly.
Pay attention to some clone and other language details.
Import Java. util. arraylist; import Java. util. hashmap; import Java. util. list; import Java. util. map; public class solution {public arraylist
9.10 n boxes
Five common pop-up dialog boxes for Android and five types of dialog boxes for android
A small example of commonly used dialogs in Android development. There are five kinds of dialogs: normal pop-up dialog box, single-choice dialog box, multiple-choice dialog box, input dialog box and progress bar Style dialog box:
Xmlns: tools = "http://schemas.android.com/tools"Android: layout_width = "match_parent"Androi
Select All and invert check boxes in jQuery, and select all jquery check boxes.
For more information, see the code.
The above is all the content of this article. I hope this article will help you in your study or work. I also hope to provide more support to the customer's home!
Jquery obtains and sets single-choice, multi-choice boxes, and text boxes.
Obtains the value of a set of Radio selected items.VaR item = $ ("input [@ name = items] [@ checked]"). Val ();Obtain the text of the selected select item.VaR item = $ ("select [@ name = items] Option [@ selected]"). Text ();The second element in the select drop-down box is the selected value.$ ("# Select_id") [0]. selectedindex = 1;
Document directory
Select All or all
Invert Selection
Sample program
You can use a simple program to select all check boxes, select none, or select inverse ones.
In addition, you can set the variable part as the JS parameter for code reuse.Select All or all
The first parameter is the check box name, and the second parameter is select all or not.
function allCheck(name,boolValue) {var allvalue = document.getElementsByName(name); for (var i = 0;
There is a problem in catching up today. Text boxes can only be selected by people to enter the data. cannot be entered manually. Checked the data. The final solution is as follows.
Page code:
Copy Code code as follows:
Script (used when assigning a value to a text box):
Copy Code code as follows:
$ ("#id"). Removeattr ("ReadOnly"); Remove ReadOnly Property
$ ("#id"). Val ("Your Value");
$ ("#id"). attr ("ReadOnly", "ReadOn
express| text Box
For text boxes, read-only state and normal state, the browser does not make any special tags, on the surface, the effect is the same, so that for users, ease of use is not very high.
Of course, we can change the background color of the read-only text box to distinguish, this time we need the programmer to determine whether the text box is read-only, and then introduce the corresponding CSS, undoubtedly increased the workload.
Here,
Upgrade Fedora 19 from Fedora 18.
1. Specify the yum source and upgrade it with the built-in upgrade tool.
Fedup-cli -- network 19 -- debuglog fedupdebug. log -- instrepo = http://mirrors.163.com/fedora/releases/19/Fedora/x86_64/ OS/
2. After downloading the update package, you will be prompted to restart and reboot
Fedora source code compilation arm-qte-4.8.5, fedora compiler Kernel1. Enter tiny210 \ FriendlyARM-210-DVD \ Linux in the CD
Import arm-qte-4.8.5-20131207.tar.gz to the fedora System (eg: opt directory)
2. Use the tarcommand to decompress arm-qte-4.8.5-20131207.tar.gzTar-zxvf arm-qte-4.8.5-20131207.tar.gzGo to the decompressed directory and run the build. sh scr
Link: Installation of Fedora 17 graphic tutorial under VMvare Workstation 9.0 (I) -- create and edit a virtual machine21. after entering the VM, press enter to enter www.2cto.com 22, select Install to Hard Drive www.2cto.com 23, and select the system language (because I did not download the customized version on the official website, download the recommended Homepage without Chinese support) www.2cto.com 24, select drive 25, storage device warning, se
Fedora 14 was officially released in November 2, and my fedora 12 has been in use for more than a year. Although it is still very stable, I still want to catch up with the trend.
Completely reinstalled of course is reluctant, So Google a bit, found the preupgrade tool can be used to upgrade the system, see: http://fedoraproject.org/wiki/PreUpgrade.
The only problem with upgrading is that the network in my
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System Configuration and related software installation after fedora is installed in VMware
(1) install the Yum-fastestmirror plug-in to increase the yum speed
# Yum-y install Yum-fastestmirror
(2) Upgrade the system
# Yum-y update
(3) install VMware Tools on fedora14
(4) install fcitx on fedora14
(5) install manpages in Linux
[Root @ ZL workhard] # Yum list | grep man-pa
It's almost a semester to use fedora 17. The following are the problems encountered in this process and their solutions. [Add rpmfusion source]
Then run the command to add RPM-GPG-KEY.atrpms
Rpm -- import http://ATrpms.net/RPM-GPG-KEY.atrpms
[Install multimedia decoding]
Sudo Yum install FFMPEG-libs gstreamer-FFMPEG xvidcore libdvdread libdvdna v lsdvd gstreamer-plugins-Good gstreamer-plugins-bad gstreamer-plugins-uuglyDesktop settings]
Install gconf-
Add fedora yum source in China ~ All ~ Accelerate your download speed-general Linux technology-Linux technology and application information. For more information, see the following. Foreign yum sources are very slow, and there are good sources in China, so it is best to set up the source in China, the best in China are beiyou, Tsinghua, and Shanghai Jiaotong University.
The procedure is as follows:
First, install the yum-fastestmirror plug-in and sele
Solution 1
In China 163 and Sohu provide good sources. Now we add them to our source database.1. Add source of SohuGo to the website http://mirrors.sohu.com/, find the fedora directory on the left, click the help on the right of the row, and then
Download fedora-sohu.repo and fedora-updates-sohu.repo, put in/etc/yum. repos. d/
Run yum makecache to generate Cache
Foreign Yum sources are very slow, and there are good sources in China, so it is best to set up the source in China, the best in China are beiyou, Tsinghua, and Shanghai Jiaotong University.
The procedure is as follows:
First, install the Yum-fastestmirror plug-in and select the fastest source automatically.
# Yum install Yum-fastestmirror-y
Second:
Under/etc/yum. Repos. D, the content of the new file sjtuedu. repo is as follows:
[Sjtuedu]
Name = fedora
Fedora 15 will be released on December 24, and four days from the official version. Here, I will give you some advice on using fedora 15 in advance. The following is a summary of the installation and configuration of fedora 15 by dummies. We hope to make it easy for you to configure your own fedora 15. For reference on
1. Fedora 14 Yum source Shanghai Jiaotong University
First, enter the terminal to open and enter the Su, password, and administrator permission;
Input VI/etc/yum. Repos. d/fedora-sjtu.repo, press ENTER
Copy the following content to the opened fedora-sjtu.repo again:
Fedora-ftp.sjtu.edu.cnName =
Install and experience fedora 18 beta in VMware Workstation 9.0. Depending on how hard it was to release fedora on time, each version may be postponed for two to three weeks. After four diving events, the beta version of Fedora 18 finally unveiled its mysterious secret, named "spherical cow" by fedora 18 ).
For downloa
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