how to fix bufferbloat

Round FunctionReturns the value rounded to the specified number of digits. Round (expression [, numdecimalplaces]) ParametersExpression Required. The numeric expression is rounded down. Numdecimalplaces Optional. Number indicates the number of digits to the right of the decimal point. If this parameter is omitted, the round function returns an integer. DescriptionThe following example uses the round function to round a value to two decimal places: Dim myvar, PiPi = 1, 3.14159Myvar

Boss: So, how long do you need to fix this bug? Inexperienced programmer: Give me one hours? Up to two hours? I can fix it right now! Experienced programmers: So, how long will it take me to catch a fish?! It's hard to know beforehand how long it will take to fix the bug, especially if you're not even acquainted with the code. James shore, in the Art of Agile, h

The recent Linux official built-in bash found a very serious security vulnerability, hackers can use this bash vulnerability to fully control the target system and launch an attack, in order to avoid your Linux server affected, we recommend that you complete the patch as soon as possible. Today Linux officials have given the latest solution to bash vulnerabilities, and no friends to fix bash vulnerabilities, please

Will MySQL friends know that MySQL after a long time to use the database will be a number of problems, which requires rapid repair damage to the MySQL database to facilitate our work and learning. The following small series for you to introduce two quick methods to overhaul the MySQL database.I use this kind of code, directly into the MySQL database directory Copy Code code as follows: cmd/k Myisamchk-r Jb51_tablename Jb51_tablename is jb51_tablename. The name of the myd. R

On the Internet to see the Amoy Mall project, I met this exception in the configuration of MAVEN project, in accordance with the online tutorial tried, a restart various anomalies. Then directly, the change of their own Maven warehouse is OK. Workaround:By contrast, you will be able to find the problem, you just need to use the package I uploaded. m2 replace your. m2,. m2 package https://download.csdn.net/download/longyanchen/10387619,Missing Artifact Com.github.pagehelper:pagehelper:jar:3.4.2-

First, download the files we need, open the terminal, enter:git clone https://github.com/lyfeyaj/sublime-text-imfix.gitTwo, will subl move to /usr/bin/ , and will sublime-imfix.so move to /opt/sublime_text/ (Sublime's installation directory)CD ~/sublime-text-imfixsudocp ./lib/libsublime-imfix.so/opt/sublime_text/sudo CP ./src/subl/usr/bin/Third, use the command to try to subl start sublime, if successful start, you should be able to input Chinese.Four, but this way can only be started with the

clearly, look at the code is more troublesome, open the system principal configuration file:sudo gedit /USR/SHARE/THEMES/AMBIANCE/GTK-2.0/GTKRCThe default theme is ambiance . The others are similar. I changed the color configuration scheme:Gtk-color-scheme = "Base_color: #CCE8CF \ n fg_color: #4c4c4c \ tooltip_fg_color: #000000 \ n selected_bg_ Color: #f07746 \ selected_fg_color: #CCE8CF \ text_color: #3C3C3C \

/subl/usr/bin/ 3. With subl command to try to start the sublime, if the successful start, you should be able to input Chinese. Terminal input: LD_PRELOAD=./libsublime-imfix.so subl4. But this can only be started with the command line above to enter Chinese, we need a simpler way, I choose to create a new shell script, very simple, just a word.Sublime New file Input:#!/bin/bashld_preload=/opt/sublime_text/libsublime-imfix.so Subl Then save the file as sublime (note: no suffix), and put to /h

own Linux installation partition.sudo Mount /dev/sda3/mnt4. Mount other required directories (using--bind)sudo Mount --bind/dev/mnt/devsudomount --bind/proc/mnt/procsudo Mount --bind/sys/mnt/sys5.Chroot to the Linux system on the hard disksudo chroot /mnt6. Install Update Grubgrub2-Install /dev/sdagrub2-mkconfig-o/boot/grub2/grub.cfg7.Grub has been repaired successfully, we also need to exit the chroot environment, uninstall the already mounted devices and directories:chroot Environment sudo

It is a common error this users generally encounter when they try to execute a brew command as sudo and shown below are an Example of the error looks like: Debjit-sahas-mac-mini:mcrypt debjit$ sudo brew link mcryptPassword:Sorry, try again.Password:Error:cowardly refusing to ' sudo brew link 'You can use a brew with sudo and only if the brew executable are owned by root.However, this is both not recommended and completely unsupported so does atYour own risk. First find out what's t

1. The affected systems includeCentosDebianRedhatUbuntu2. Check if the system is being repaired[[Email protected] ~]# env x= ' () {:;}; echo vulnerable ' bash-c "echo this is a test"VulnerableThis is a test[Email protected] ~]#如果输出以上结果表示需要修复bash漏洞3.修复漏洞[[emailprotected] ~]# yum update bash -y4.重新检查漏洞是否修复[[emailprotected] ~]# env x=‘() { :;}; echo vulnerable‘ bash -c "echo this is a test"bash: warning: x: ignoring function definition attemptbash: error importing function definition for `x‘this is

Fix VirtualBox copy ubuntu after changing the MAC address does not recognize the network card problem in VBox installed an Ubuntu server 12.04, the use of its own replication function, complete 3 Virtual server building. In order to better simulate the LAN environment, in order to ensure that the MAC is not the same, so refresh the MAC address, landing when Ifconfig found eth0 disappeared, nature can not connect the network. Www.2cto.com finally found

to get a detailed explanation of this particular command.650) this.width=650; "style=" border-bottom:0px;border-left:0px;border-top:0px;border-right:0px; title= "Border" = "0" alt= "src=" "Http://img1.51cto.com/attachment/201410/21/639838_1413876421Z6AO.png" height= "/>"Again, for example, if we want to get all of the DPM Admin commands associated with ADD, you can retrieve them with the Add keyword appended to it.650) this.width=650; "style=" border-bottom:0px;border-left:0px;border-top:0px;bo

"""Python established pip.ini.py2016 April 30 03:35:11 Codegay"""ImportOsini="""[Global]index-url = https://pypi.doubanio.com/simple/[install]trusted-host=pypi.doubanio.com"""Pippath=os.environ["UserProfile"]+"\\pip\\"if notos.path.exists (Pippath): Os.mkdir (Pippath) with open (Pippath+"Pip.ini","w+") as f:f.write (INI)Running the following Python code will automatically establish Pip.ini[python] fix pip install download slow problem replace watercr

Because Fastdfs-client-java-1.27-snapshot.jar this dependency package is not in the MAVEN central repository, it needs to compile its own source into a jar locally installed to Maven's local repository. After installation, you will be able to reference it normally (note: Maven must be installed locally and the MAVEN environment variable is configured)Dependency> groupId>Org.csourcegroupId> Artifactid>Fastdfs-client-javaArtifactid> version>1.27-snapshotversion>Dependency>1. Downloa

/wKiom1aEpGSTRdcYAABA20oNN0U616.png "title=" Err_ Msg_can_not_find_modules_files.png "style=" Float:none; "alt=" Wkiom1aepgstrdcyaaba20onn0u616.png "/>Solution: The above information can be guessed, because the kernel file corresponding to the driver file is not found, so the system load is not normal.Since the upgrade kernel was not manually compiled, the file in my boot directory should have been generated when I executed Yum update, but because the Yum runtime was forced to abort, the reposit

on SDA1Here's the whole process.[Email protected] ~]# Fdisk-lu #第一步: Find the partition where the local slice is located.disk/dev/sda:73.4 GB, 73407868928 bytes255 heads, Sectors/track, 8924 cylinders, total 143374744 sectorsUnits = sectors of 1 * MB = bytesDevice Boot Start End Blocks Id System/DEV/SDA1 * 4096574 2048256 Linux/dev/sda2 4096575 75778604 35841015-up Linux/dev/sda3 75778605 129034079 26627737+-up Linux/DEV/SDA4 129034080 143364059 7164990 5 Extended/dev/sda5 129034143 139267484 5

A few days ago installed a Linux Enterprise version 5.0 Apache, open the test page when the following error occurred:ForbiddenYou don't have permission to access/index.html on this server.At first I thought I was misconfigured and spent half a day not getting it done.Cause: index.html is a file built with root user, Apache permissions are not enough.Workaround: Change file permissions; chmod 755 index.htmlIf this problem occurs under Win 2003, please fix