I recently wrote an intermediate layer based on xe2 datasnap. I have also written a DCOM-based middleware layer. I can see some colleagues on the Internet asking questions about the middleware layer. Here are two typical questions:
First question:
How can the three-tier program of the "das" system support simultaneous connection requests from a large number of users?System Structure: tclientdataset-> tsocke
[0-9a-z] [a-z0-9\._-] {1,}@[a-z0-9-]{1,}[a-z0-9] (\.[ A-z]{1,}) +Many of the verification mailboxes that were found on the Internet do not support the verification of mailbox of level two domain nameHow to use JSfunction checkemail (email) { if (/^[0-9a-z][a-z0-9\._-]{1,}@[a-z0-9-]{1,}[a-z0-9] (\.[ A-z]{1,}) +$/. Test (email) { returntrue; } return false ;}How to use C #classProgram {Static voidMain (string[] args) {Console.WriteLi
In this paper, PHP implementation of the telephone number matching regular expression of an example, have the need for friends, refer to it.Example of a regular expression with a telephone number area:
[2,3,5,6,8,9] Only provide these types of mobile phone number: 12...,13...,15...,16...,18...,19 .... Insufficient to add, redundant delete can. Perfect
Tags: soft class height bottom mil ICA Network version number database backup Provided is a BAK file is 2005 backed up, restored to the local sqlserver2000, prompted: The backup of the database on the disk structure version number 611. The server supports version number 539, and the database cannot be restored or upgraded. The web was looked up, because 611 is th
project: Compile a jar file with the required. class file or a jar file together with some source code. Then use the DX tool provided with the Android SDK to turn the jar file into a dex file.(can refer to facebook:https://www.facebook.com/notes/facebook-engineering/ under-the-hood-dalvik-patch-for-facebook-for-android/10151345597798920, this inside can also see dynamically changing the Linearalloc buffer on 2.3 The two methods do not conflict, plug-in In addition to solve the application burst
speeding up the loading process. These two methods do not conflict, plug-in In addition to solve the application bursting, there are many other advantages, you can see my previous article, no longer repeat.Of course,Google seems to be aware of the current number of application methods of the problem, now in the API has provided a common solution, that is Android-support-multidex.jar . This jar package can
Android uses android-support-multidex to solve the problem of Dex exceeding the limit on the number of methods, so that your applications will not burst
With the continuous iteration of applications and the expansion of business lines, applications become larger and larger (such as integrating various third-party sdks or jar packages supported by the public, with high project coupling and repeated classes
Android uses android-support-multidex to solve the problem of Dex exceeding the limit of the number of methods, so that your application will not burst into the dark. androidmultidex
If you have reprinted, please declare the Source: sand: http://blog.csdn.net/t12x3456 (from the sand csdn blog)
With the continuous iteration of applications and the expansion of business lines, applications become larger and l
Because my hand a900s has been brick, so temporarily can't get ROM. First upload has been done before the brush 4.4 dedicated new TWRP recovery 2.7.1.1 This version number is my own definition, for the difference before the release of 2.7.0.0 (Omni Official latest or 2.7.0.0 version).2014.5.23 Update content1, fixed 2.7.0.0 version display color problem (this problem in my a900s on the test found, before also no one feedback)2, repair keys
Label:Oracle NUMA support is enabled on Oracle DB 11GR2 version numberReference Original:Enable Oracle NUMA Support with Oracle Server Version 11gR2 (file ID 864633.1)Application:Oracle database-enterprise edition-version 11.2.0.1 and laterOracle Database-standard edition-version 11.2.0.1 and laterInformation in this document applies to any platform.Oracle on NUMA capable hardwareChecked for relevance on 11
recently found that notepad++ does not support the text copy by line number range, I want to develop a notepad++ plug-in, support to enter the starting line number and end line number, and then copy the text of the area to a new document or copy to the system Clipboard, conv
found a lot of students in use. NET is concerned with a problem when it comes to communication. NET can support how many online connections. In fact, the communication of. NET is supported by WinSocket, and since the low-level winsocket supports that, the limit of the number of access connections to the. NET end is fully limited by the WinSocket current operating system.
65535 of the limit?
Ma
16MB. When the number of methods exceeds the buffer size, dexopt crashes, causing the installation to fail. Of course,Google seems to be aware of the current number of application methods of the problem, now in the API has provided a common solution, that is Android-support-multidex.jar . This jar package can support
1,jquery or JS to determine the browser kernel version number and whether to support the box model JQuery, starting with version 1.9, removed $.browser and $.browser.version and replaced it with $.support. In the updated version 2.0, IE 6/7/8 will no longer be supported.Later, if the user needs to support IE 6/7/8, onl
Officially announced from DATAUML design to now two months, because the recent busy, published so far 1.1 version number. Later on we will always stick to good datauml design software and I hope programmers have a lot of support. One, 1.1 new and improved versions of the content, such as the following 1, support the data Model metadata export word, Excel, pdf
Brief introductionThe previous search for the next blog on the dapper paging implementation, there are, but either based on stored procedures, or support paging, not support sorting, or search conditions are not so easy to maintain.CodeFirst on the code: https://github.com/jinweijie/Dapper.PagingSampleMethod definitionThe following is an implementation of my paging, though not generic (because of the Where
A VoIP operation support system has the general SQL Injection Arbitrary File Traversal Vulnerability (a large number of enterprises are affected)
Kunshi Network Technology Co., Ltd. develops a support system for small and medium-sized scale VoIP operation services. In addition to meeting the operating rate setting and package management requirements, in addition
Android Studio: version number of the Support Library dependent package, androidlibrary
When we useRecyclerViewIf you want to use a specific version, how can you know the version number? If you have used this library in your notebook, it will be saved on the local hard disk.Local Storage path of Android dependent package version:
It doesn't matter if you haven't
Today with the doctrine in preparation for a party, there is a random number lottery to make the link, want me to make a random number generator, preferably the kind of start after the number of jumps, the key after the pause.This thing has no technical content, put in C + + is also a random thing, I can not give someone a console program. So I wrote one in C #.W
Recent projects need our front end of the amount of the decimal format (that is, every three digits separated by commas), the code has been modified before the version is my negligence really sorry everyone! Now have made a change if there is not perfect place please advise!
1. Support comma separated by 0-9-bit comma
The JS code is as follows:
Copy Code code as follows:
/**
* JS format
* @param n
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