Solution to the slow sqlite3 speed
The speed of sqlite3 insert into and other operations is relatively slow.
The reason is that the file already exists in the disk, and the file must be opened every time you access it,
If you perform a lot of operations on the database tutorial, It is very
Within the reason for the slow speed of ubuntu and the swap partition I often open more than 10 windows and applications at the same time when using ubuntu, sometimes the speed will become very slow, even the system is obviously slow to respond. Generally, the physical memor
U disk for our daily life is a very important thing, help us save important files, is also a good transmission work, when the need to transfer files, we can copy the file to a U disk, and then copy to another computer, so the U disk for our life is vital. But now sometimes we often encounter some small difficulties, that is, when copying files to a U disk, the speed of replication is very slow, especially w
In the vagrant environment, the symfony program is slow. Recently, a symfony program was written. in the beginning, a simple web server was started to access the program through the console server: run command on Mac, however, the php provided by Mac itself does not have the memcached extension. Therefore, this program is put into vagrant. However, it is found that the access speed is very
The homepage loading speed is slow. Is there a way to optimize it? There are 15 SQL statements on the home page involving 7 data tables. the loading speed is extremely slow (about 6 seconds, 2 MB bandwidth). Is there any way to optimize it?
Reply to discussion (solution)
Use SQL to analyze desc select * from tabnam
MYSQL Query speed is very slow. Is there a problem with my table structure? please take a look. Table 1 is a novel table:
Create table if not exists 'book '(
'Bid' int (6) unsigned not null AUTO_INCREMENT,
'Siteid' smallint (2) not null default '0', multi-site ID
'Catid' smallint (6) not null, topic ID
'Title' char (80) not null, title
'Word' char (20) not null default '0', word count statistics
'Content' t
Why is my ora10 surfing so slow? Now the speed of the music player is getting faster ...... -- Linux general technology-Linux technology and application information. For details, refer to the following section. Why is my ora10 surfing so slow? Now the speed of the music player is getting faster ......
And the yum is t
Solve the problem of slow SPI read/write speed after msm8909 + android5.1.1 is changed from BLSP3 to BLSP1
Solve the problem of slow SPI read/write speed after msm8909 + android5.1.1 is changed from BLSP3 to BLSP1
It is found that the read and write speed of SPI is a lot slo
Android SDK Manager cannot update the SDK or the update speed is slow.
Google is completely inaccessible due to the fire Great Wall. Therefore, the Android SDK Manager cannot update the SDK or the update speed is slow,
Solution: 1. Use a proxy
In SDK Manager
Tools ---> Option:Connection address: mirrors.neusoft.e
How slow is the boot speed of the Computer Manager updated recently? $ Computer Manager-clear garbage $. qmgc
How slow is the boot speed of the Computer Manager updated recently?
The previous boot speed was dozens of seconds. Since the computer manager was updated a few da
Php program optimization advice, execution speed is too slow This post was last edited by zhuzhaodan from 2013-06-, the existing four-level Dictionary 4000 words txt document, the format is as follows accent nbsp; n. accent, accent; accent nbsp; acceptable nb php program optimization suggestions, execution speed is too slo
My eclipse is running at a very slow speed, specifically:1, as long as the eclipse started, the hard drive lights flash, constantly read the disk;2, release Tomcat often in 0%;3, the occasional CPU full;Online talk about the optimization of the article countless, but always useful but very little, most of it is reproduced or even plagiarism. After drawing on the practice of various articles and constantly t
1.BIOS self-test After the completion of the IDE, the speed is very slow, almost 20 seconds (hook up two hard drives, BIOS configuration of the IDE automatic monitoring).
2.IDE after monitoring, clear screen, the next step is the Windows splash screen, here again for almost 20 seconds.
In this way, it takes nearly 3 minutes for the system to boot up. I wonder, the configuration is not low Ah, P4 2.4GHz CP
XP system PDF thumbnail display speed is very slow how to do
Specifically as follows:
1, download the Tweak UI from the web version of the Chinese.
2, extract the downloaded files, directly run the extracted TweakUI.exe files.
3, click on the left "explorer" before the + number, click "Thumbnail", you can see that there are two items for users to change, one is the quality of the thumbnail, one is the
XCode Compilation speed is slow
There are three ways to increase the speed of compiling links:
1. Increase the number of threads used for XCode Compilation
Defaults write com. apple. Xcode PBXNumberOfParallelBuildSubtasks 4
XCode uses the same thread as the number of CPU cores by default for compilation. However, since the number of I/O operations in the comp
How to speed up itunes?
Question: itunes download application is very slow, what is the way to improve speed?
Answer: Open the Pen group test ping value software--pinginfoview.
Open the main screen click the "OK" button in the pop-up window
Pick the IP address with the shortest response time
In order to facilitate the view, I closed
causes and solutions of slow computer startup speed
Cause one: Too many boot entries
Use some software that has a shielded boot startup to optimize, as shown in
Disable programs that are not needed or rarely used to efficiently speed up the boot
Reason two: rubbish bin residue of a large number of documents
Regularly check the trash, and the right key to e
Enable the php mail () function in Ubuntu and solve the problem of slow email sending speed.
If you need to use the mail () function of php to send emails, you need to install the sendmail component on the server. This is also introduced in the mail () function section of the php manual. Then
Install the sendmail command in Ubuntu:
Copy codeThe Code is as follows:Sudo apt-get install sendmail
After inst
turns out to be one of the reasons why the instance Model is slow for recursive search every time. put it outside the function $ spac = $ spac + 8; $ res = $ Model-> query ("SELECT * FROM x_bookmarkcategory WHERE bookmarkcategory_pid = $ pid And bookmarkcategory_ispublic = $ ispublic order by bookmarkcategory_sort "); // SELECT * This write method has low performance bookmarkcategory_pid = $ pid -- bookmarkcategory_pid determines whether to index for
Ubuntu8.10 slow Internet access !! The real reason for slow Internet access is that it mainly takes time for firefox to resolve domain names. Therefore, it is necessary to set DNS cache. It is automatically set in Windows, so you don't have to worry about it. It will take some time in Ubuntu. Therefore, you need to install a software called dnsmasq, which can provide dns resolution functions. Of course, the
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