using the GetRow method, flush the in-memory information to the hard disk.
For (int rownum = 0; rownum ; rownum++) {
System.out.println (Sh.getrow (rownum));
}
//ther last rows is still in memory
For (int rownum = N, rownum rownum++) {
System.out.println (Sh.getrow (rownum));
}
//write in file
FileOutputStream out = new FileOutputStream ("c://sxssf.xlsx");
Wb.write (out);
//Close File stream object
Out.close ();
System.out.println ("Based on stream write exe
The approximate program idea is to use the recursive rules to calculate the amount of space occupied by the directory, and then the value of the space to write into the text file, so long as the access to the TXT file will know how much space occupied, do not have to read the disk frequently, save resources. Each time a user uploads a file or deletes a file, it is re-counted. Of course, you can also save the statistical results in the database.
Copy CodeThe code is as follows:
function Countdir
sprintf ('%.2f ', $b). $unit;}}
Call:Copy the Code code as follows: Echo formatsize (' 20667564 ');The result is:
19.71MB
Description
Where the parameter $b is a number in B, $times is used to identify how many times the function is recursive.
The non-commonly used units TB, PB, EB, ZB please refer to the following notes (from the network):
1bit (this bit represents a binary number)1Byte (this word is also called "bit") but it represents a hexadecimal number.1b=1byte=8bit1 KB = 1024x768 B (kb-k
Storage capacity: Is the maximum number of data that can be stored on the storage device, typically using kilobytes (KB kilobyte), megabytes (MB megabyte), gigabytes (GB, gigabyte), terabytes (TB, terabyte), and Pb (Petabyte), EB ( Exabyte), etc. to measure.1Byte (equivalent to an English letter, a kanji account of 2 byte)1kb=2 (b=1024b); Quite a short story.1mb=2 (kb=1024kb=2) B; Quite the text of a short story1gb=2 (Ten) mb=1024mb=2 (B). The content
conversion methods such as lowercase, complex, and stemming, and the fields are defined in the index in the Schema.xml file.By default, the search for "Power-shot" does not match "PowerShot", by modifying the Schema.xml file (solr/example/solr/collection1/conf directory), By replacing the features and text fields with the "text_en_splitting" type, you can index them.
123
Code class= "Java plain" >type= "text_en_splitting" indexed= "true" stored= "true" multivalued=
user's unnecessary heap memory allocation mainly comes from the following aspects:
High frequency New Class/container/array and so on. Research and development team remember not to open up heap memory in the update, fixupdate, or higher call frequency functions, which can cause significant damage to your project's memory and performance. to do a simple calculation, suppose that a function in your project only allocates 100B of heap memory per frame, the frame rate is 1 seconds 30
more users use the app, app Engine assigns more resources to the app and manages those resources. The app itself does not need to know the resources it uses.Unlike traditional web hosting (web hosting) or self-managed services, using Google App Engine, you only pay for the resources you use. These resources are measured in gigabytes (measured down to the gigabyte). Paid resources include CPU usage, monthly storage, input and output bandwidth, and res
configure a set of machines for development
Hello!First, let's look down on those copied and pasted, and write a configuration list for you regardless of purpose.You are mainly used for Android, so you need PS, 64-bit systems, and do not play games very much.So1. The video card must be a card, and the video card does not need to be high.Card A is colorful, with delicate lines and strong game performance. card a is very comprehensiveCard is suitable for games, graphic design drawing, etc.2. The
read zml.zlib (Wit's little partner hello ... ), so the system upgrade AppleHDA will not overwrite our modified definition. The latter is binary patch, allowing AppleHDA to accept the vid and PID of our hardware.The data I use here to demonstrate the ALC887 sound card data (gigabyte B75M-D3V Rev 1.1), the sound card is different with Plistedit Pro to modify patch_to_alc887 (Patch vid pid) the Replace corresponding Just fine.4. It should already be wo
gigabyte, which limits the* amount of physical memory can Use of about 950MB. * * If you want more physical memory than the config_highmem4g* and CONFIG_HIGHMEM64G options in the kernel C Onfiguration.*//** This much address space was reserved for Vmalloc () and Iomap () * As well as fixmap mappings.*/#define__vmalloc_reserve (#ifndef __assembly__/*Pure 2^n version of Get_order*/Static__inline__intGet_order (unsignedLongsize) {intorder;size= (size-1)
1, problem descriptionOriginal development environment: WIN7 64-bit flagship edition, Vs2010,thinkpad T460Problem: Your own MFC program developed in the WinXP environment does not work properly, the box "cannot locate the program input point initializeconditionvariable in the dynamic link library Kernel32.dll"Re-build the development environment: WinXP SP3 Pro, vs2010,gigabyte a motherboard (forgive office no other free host)The problem persists: reco
';
Switch ($ times ){
Case '0': $ unit = 'B'; break;
Case '1': $ unit = 'kb'; break;
Case '2': $ unit = 'mb'; break;
Case '3': $ unit = 'gb'; break;
Case '4': $ unit = 'tb'; break;
Case '5': $ unit = 'petab'; break;
Case '6': $ unit = 'EB '; break;
Case '7': $ unit = 'zb'; break;
Default: $ unit = 'unknown unit ';
}
Return sprintf ('%. 2f', $ B). $ unit;
}
}
Call:
The Code is as follows:Echo formatSize ('000000 ');
The result is:
19.71 MB
Note:
Here, the $ B parameter is a number in the uni
disassembled by default.025 026-c, -- show-children027 Show a DIE's children when using the -- debug-info = OFFSET, -- find, 028 and -- name options.029 030 -- eh-frame [= SECTION] 031 Dump exception handling fra Me information from the optional SECTION032 parameter. the _ eh_frame section will be dumped by default.033 034-e, -- english035 Print dwarf tags and attributes in a more readable format instead036 of using the dwarf tag _ and AT _ definitions.037 038 -- file-stats [= size] 039 Show fi
that the display speed reaches 144Hz.To play 144Hz, you must use the DisplayPort connection line or 24-pin DVI connection line.Step 2: simple settingsDo not connect a Hz game display to a PC. It is very likely that the PC will output a 60Hz image. In this way, you can only set a 60Hz update rate in the game, which is not a superb gaming experience. The specific setting method is that the N-card user opens the NVIDIA control panel, and then sets the update rate under the 1920 × 1080 resolution o
Reason Analysis:
If the Win7 upgrade to Win8 may be a problem with the graphics driver, we can upgrade the graphics driver to solve it.
Workaround:
1, download the Driver wizard and then let them detect the driver, directly upgrade the graphics driver!
2, scan to us and then update the driver.
3, run the drive master, and then select Drive Management to start a comprehensive drive scan.
4, if there are updates we will update the driver on it.
user, and this area is called "below the fold". To reduce the content that needs to be re-accessed after the page is loaded, you can replace the picture with the correct tag labeled by the aspect.Implementation tips: smooth processing. Some good JavaScript libraries can be used to handle these below-the-fold lazy loading images. ^12Deferred read and Execute scriptsOn some mobile devices, parsing JavaScript code can take up to 100 milliseconds per gigabyte
mnist data set, mainly to examine the performance of the CPU and GPU under different systems. Can see the obvious difference, although the Mnist dataset is very simple, believe that the complex data set, the difference will be greater, UBUNTU+GPU is the only choice.Test Platform 1:I7-4770K/16G/GTX 770/cuda 6.5MNIST Windows8.1 on cpu:620sMNIST Windows8.1 on gpu:190sMNIST Ubuntu 14.04 on cpu:270sMNIST Ubuntu 14.04 on gpu:160sMNIST Ubuntu 14.04 on Gpuwith cudnn:30sCifar10_full on Gpuwihtout cudnn:
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