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We are using Firefox on some sites to see this display:Now time is: 108 year January 26 And the IE browser's words will show the normal:Now the time is: January 26, 2008 The reason is javascrīpt compatibility problem var today = new Date (), var year = Today.getyear (); Inside Firefox getyear returns the value of "Current year-1900", and Microsoft makes a change:When today's year is greater than or equal to 2000, add 1900 to the returned 200X (instead of

/, interested can download to try. The second is shark,hive on Spark, which migrates the Hive syntax to Spark, translates the SQL into Spark run, and directly reads MapReduce's metabase and corresponding data. The project also won the best Demo award at the 2012 SIGMOD Conference, now in Alpha, and will soon have a formal release, in the hope that it will be a fully compatible existing hive, fast 10x-fold cow b product. Spark with the Talk (ii)--Inst

Caffe I/O model, and summarizes the I/O model overall architecture. Due to the introduction of the GPU, we need to manipulate two different storage bodies simultaneously: main memory is controlled by North Bridge, and the CPU is address bus, control bus and data bus, the memory is controlled by the South Bridge, and only the PCI bus is connected with the CPU. Because there is only one data bus between the CPU and the GPU, the CPU does not have direct access to the memory space, and a large port

, including Iphone,ipad,android,windows Phone,microsoft surface,desktops, and so on. It allows users to create rich dashboards that apply to all devices without compromising the functionality and maintainability of the Web application. Canvcasjs has a very beautiful theme and more than 10x faster than the traditional Flash and SVG charts-generating a lightweight, beautiful and responsive meter diagram. 3. Chart.js Chart.js is a simple, object-o

compatibility dataframe-based machine learning API E Merges as the primary ML Api:with Spark 2.0, the SPARK.ML package, with its "pipeline" APIs, would emerge as the prim ary Machine learning API. While the original Spark.mllib package is preserved, the future development'll focus on the dataframe-based API. Machine learning Pipeline Persistence:users can nowsave and Loadmachine learning pipelines and models AC Ross all programming languages supported by Spark. Distributed algorithms in r:added

Previously, I thought the debugging functionality provided by GDB-Fortran program is quite limited due to experiences Of a couple of failed attempts to print allocatable arrays. However, having given several another tries today, I discovered the GDB does support printing values of allocatable array s, although it may be a little inconvenient. Now, let's see the details:We have the test code as follows, in which a derived type cmp, an allocatable array a and a static array b is defined.Program Te

-name-resolve, Max_connect_errors doesn't even work (see the previous paragraph). Firewalls are a more appropriate solution, usually I will block the 3306 port, whether it is a public network or intranet port, only specific applications can access and connect to MySQL.I will usually setmax_connect_errors=100000, so I can avoid any "dual configuration" and make sure it doesn't get in the way. max-connections --The default value is 151. I've seen a lot of users set him up, mostly b

words, in two steps:1. Addition and subtraction of elimination elements2. Return to find unknown value Gaussian elimination is one such process.The following is a small example to specify 0. Solving equations There is a ternary-once equation set:⎧⎩⎨2x+y+z=16x+2y+z=−1−2x+2y+z=7①②③{2 x + y + z = 1①6 x + 2 y + z =−1②−2 x + 2 y + z = 7③\begin{cases} 2x+y+z=1 amp;①\\ 6x+2y+z=-1②\\ -2x+2y+z=7③\\ \end{cases} 1. Eliminate X ①x (−3) +②①x (−3) +②①x (-3) +② get0x−y−2z=−4 0 x−y−2 z =−4 0x-y-2z = 4 ①+③①+③①+

, an error is given. For example, Java is a static language, and assignment statements are as follows (//for comments): int a = 123; A is an integer type variable a = "ABC"; Error: Cannot assign string to integer variable This is why dynamic languages are more flexible than static languages. Do not equate an equal sign of an assignment statement with a mathematical equal sign. For example, the following code: x = 10x = x + 2 If mathematically understo

Toj 4146 seq Difficulty factor (1-5): 2For action 0: use Add[v][x] to represent the sum of add added for I%b[v]=x a[i].After all operations have been read for A[i], A[i]+=∑add[v][i%b[v]] \sum Add[v][i\%b[v]]For Operation 1: We know that the number of x*b[v] to X*b[v]+b[b]-1 is added, so you can use a data structure to maintain a number for a range of numbers. 4147 Strange Network difficulty factor (1-5): 4KD tree + minimum Spanning tree 4148 number 0 Difficulty factor (1-5): 2There are a lot of

Label:Scylla 1.2.4 was released.SCYLLADB is a Cassandra that is rewritten in C + +, processing 1 million TPS per node per second. The SCYLLADB is fully compatible with Apache Cassandra and has a throughput of 10x times more than Cassandra, reducing latency. Qkxue.net Experience Summary:SCYLLADB claims to be the world's fastest NoSQL columnstore database. No official update notes.： Source Code (Zip) Source Code (TAR.GZ) More Scylla 1.2.4 Rel

Label:The smallest administrative unit of the InnoDB is the pageInnoDB Minimum Application unit is the district, a district 1M, contains 64 pages, each page 16K, that is, 64*16k=1m, taking into account the hard disk locality, each read 4 extents, that is, read 4M of data loaded into memoryLinear Pre-reading:After the read thread of InnoDB reads 4M data from disk, if the data of the pages connected to the 4 extents is greater than or equal to Innodb_read_ahead_threshold (the default is 56), the d

voltage ratios to DBs uses log (Vout/vin) Describing the voltage gain of an amplifier that produces an output voltage of 3.5V for a input of 35mV as being 40dB , is equivalent to saying that the output voltage is the times greater than the input voltage. To reverse the process, and convert dBs to a voltage ratios for example, use: Note that the brackets is important and antilog may is shown on calculator keypads as 10x or 10^ And is also usually Sh

complete.: Set Wrapscan re-search, when searching to the head or end of the file, return to continue the search, by default open.Replace commandThe RA replaces the current character with a, when the period character is the character of the cursor.s/old/new/replace new with old, replacing the first match of the current rows/old/new/g replace new with old, replacing all occurrences of the current row%s/old/new/replace new with old, replacing the first match of all rows%s/old/new/g replace new wit

table query. MongoDB 2.8(version 2.8jump directly to version 3.0. Why is 2.8 named 3.0? Tang JIANFA means 2.8 has a great boost, with 2.8 a bit wronged, so MongoDB marketing division is named 3.0. )The version begins with the introduction of the Wiredtiger Storage Engine mmap, which supports the Latch-free and non-blocking algorithms. So before you use it, you must addThe wiredtiger parameter. MongoDB3.0 Promotion: (1) Write performance: 7x-10x,

)Alert (arguments. length); // 2// The callee parameter is the function itselfAlert (arguments. callee = foo); // true} When entering the execution context (before code execution), VO contains the following attributes: 1. All the parameters of the function (if we are in the context of function execution ); All function declarations (FunctionDeclaration, FD );All variable declarations (var, VariableDeclaration );Another typical example: Alert (x); // functionVar x = 10;Alert (x); //

. All the parameters of the function (if we are in the context of function execution ); • All function declarations (FD );• All variable declarations (var, VariableDeclaration );Another typical example: The Code is as follows: Alert (x); // functionVar x = 10;Alert (x); // 10X = 20;Function x (){};Alert (x); // 20 According to the canonicalized function declaration, it is filled when the context is entered; when the context is entered, there is als

button in scientific modeD Press the Mod button in scientific modeCtrl+s Press Sinh button in scientific modeCtrl+o Press cosh button in scientific modeCtrl+t Press Tanh button in scientific mode(Press in Scientific mode (buttonPress) button in scientific modeN Press the LN button in scientific mode; Press the INT button in scientific modeS in scientific mode press the Sin buttonO Press the Cos button in scientific modeT-Press the Tan button in scientific modeM Press the DMS button in scientifi

Getxcursorpos () as Long" VbCrLf _"Dim pt as Pointapi:getcursorpos Pt:getxcursorpos = Pt. X " VbCrLf _"End Function" VbCrLf _"Public Function Getycursorpos () as Long" VbCrLf _"Dim pt as Pointapi:getcursorpos Pt:getycursorpos = Pt. Y " VbCrLf _"End Function"OModule.CodeModule.AddFromString strcode ' adding VBA code in the module' Author:demon' website:http://demon.tw' DATE:2011/5/10x = Oexcel.run ("Getxcursorpos") ' Get mouse x coordinatey =

follows:X = 10X = 11X = 12X = 12This is also the case with the drop-down operator. I don't want to talk too much about this content here, but the reader can read it patiently, as Peng Zi told Augusta, "OGU, be patient, rome was not built in one day ". It indicates that operators in C ++ can be overloaded ). Programmers can use standard overload operators to perform specific operations in specific classes. For example, you can use the overload increme