robert riedl

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How to use oracle distinct

, Description)2 values ('02 ', 'alison', 'mathews ', to_date ('20170101', 'yyyymmdd'), to_date ('20170101', 'yyyymmdd'), 19760321, 'vancouver ', 'tester ')3/ 1 row created. SQL> insert into Employee (ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)2 values ('03', 'James ', 'Smith', to_date ('20170101', 'yyyymmdd'), to_date ('20170101', 'yyyymmdd'), 19781212, 'vancouver ', 'tester ')3/ 1 row created. SQL> insert into Employee (ID, First_Name, Last_Name, Start_Date,

2017 list required by front-end developers

As front-end ecosystems develop rapidly, we spend time trying new technologies and discussing them online. As front-end ecosystems develop rapidly, we spend time trying new technologies and discussing them online. I don't mean it shouldn't be the case, but maybe we can slow down and pay more attention to things that haven't changed much. These things can greatly improve the quality of work, increase the value of work, and help us understand new tools. In this article, I have my past experiences

Entity Framework 6 Recipes 2nd Edition (12-3), entityrecipes

Entity Framework 6 Recipes 2nd Edition (12-3), entityrecipes 12-3. database connection logs Problem You want to record logs for each connection and disconnection from the database Solution EF exposes a StateChange event for the DbContext connection. We need to handle this event and record logs for each connection and disconnection with the database. Suppose our model is shown in Figure 12-3. in the Listing 12-3 code, we create some Donation instances and save them to the database. the code here

Entity Framework 6 Recipes 2nd Edition (10-5), entityrecipes

msg. MemberId, count (msg. MessageId) as MessageCount From chapter10.message msg where datesent = @ datesent Group by msg. MemberId ) Temp on m. MemberId = temp. MemberId Order by temp. MessageCount desc 2. open. edmx file design view. right-click the design view and select "add" transform function import. in the "Stored Procedure/function name" dialog box, select MembersWithTheMostMessages, and enter MembersWithTheMostMessages in the "Function Import Name" box ., select "entity" in "Returne

New Year's Day, inventory some app development skills

(Original: Reader submissions-new year's mattt Thompson translator: PUI-proof: Blue Soul)Looking back at what happened to us over the past year, one thing has to be said: 2014 is an incredible year for Apple developers. There have been so many changes in this short year (about app development): in front of the attractive swift, we almost forget how obsessed with objective-c, and the imaginative iOS 8 and watchkit, it's hard to imagine what API can compare with it.Nshipster's practice: Please lov

Entity Framework 6 Recipes Chinese translation series (44), entityframework

. donors. create (); 18 donor2.Name = "Robert Hewitt"; 19 20 // donate to jill and save 21 donor1.Donations. add (donation); 22 context. donors. add (donor1); 23 context. donors. add (donor2); 24 context. saveChanges (); 25 26 // now donate to Rebert27 donation. donor = donor2; 28 29 // Report 30 foreach (var donor in context. donors) 31 {32 Console. writeLine ("{0} has given {1} donation (s)", donor. name, 33 donor. donations. count (). toString ();

Sqlexecute usage and example tutorial

send commands to the linked Server. In addition, you can explicitly set the context for executing strings or commands. View an instance and use excute > Create table employee (2> ID int,3> name nvarchar (10 ),4> salary int,5> start_date datetime,6> city nvarchar (10 ),7> region char (1 ))8> GO1>2> insert into employee (ID, name, salary, start_date, city, region3> values (1, 'jason ', 40420, '2014/1/94', 'New York ', 'w ')4> GO (1 rows affected)1> insert into employee (ID, name, salary, start

Microsoft threw an olive tree to LINUX and said it was not interested in cooperation.

On September 19, June 17, Microsoft reported that after reaching a cooperation intention with Novell and Linspire, Microsoft recently set its next goal to RedHat. Microsoft said it hoped to reach a similar partnership with RedHat. Tom Robert son, general manager of Microsoft's enterprise interoperability and Standards Department, expressed the above points on Friday and said that the negotiations were always open. However, the red hat does not seem to

The second season of Walking Dead determine the broadcast time

According to foreign media reports, the popular movie drama thedead ingdead held a press conference on the second day of the Comic-Con in Santiago, announcing that the second season of the show will be broadcast at on Sunday, January 1, October 16. Whether it's for fans or cartoon fans, the "Walking Dead" press conference is a must-have event. In According to foreign media reports, The Walking Dead, a popular American drama, was exhibited in Santiago. (Comic-Con) held a press conference on the

Fedora14 development code is selected

The last two weeks after the official release of Fedora13, the development of the next generation of Fedora14 has been launched. The first step is to get a code. Fedora13, codenamed Goddard, is an American physicist, Robert Goddard, the first rocket engine inventor in the United States. It is recognized as the father of modern rocket technology and has created the first in the history of rockets, A total of 214 patents were obtained. The ora14 Code al

TinyWebGallery 1.8.3 remote command execution and repair

[»] TinyWebGallery 1.8.3 Remote Command ExecutionAuthor: Explain 0! Ts --------> My Best t34m -----> "BaC, RoBert MilEs, Bl4ck_ID"Address: http://www.tinywebgallery.com/dl.php? File = twg_latestTest Platform wind xp! -----> THnKs T0 My ALLAHBIG tHnkS T0:-> vbspiders.com Dz4all.com www.2cto.com isecur1ty.org-= [Vuln c0de] =-11) --------------> filefunctions. inc:Function execute_command ($ command ){Global $ use_shell_exec;Ob_start ();Set_error_handl

Full installation experience of Fedora14

The Fedora14 development code, Laughlin, was named by the Nobel physics prize winner, Robert TB. laughlin, Fedora is a RPM-based Linux release, sponsored by RedHat and developed by the community-supported FedoraProject project. Fedora only contains free and open source software. New Features of Fedora14 include GNOME2.32 and KDE4.5. Fedora 14 development code Laughlin (Laughlin), named after the Nobel Physics Prize winner

What should I do? Carefully selected passwords are still under attack

completely random passwords. For a completely random password, only brute-force cracking is feasible. At this time, the speed becomes the 'most important factor '." However, the password cracking speed has also been improved. For example, by using a computer with a single video card, the oclHashcat-plus program can guess hundreds of thousands to billions of combinations of passwords per second, depending on the hash algorithm used for encryption entries in the password file.

Tarjan algorithm for strongly connected components of a forward graph

Tarjan algorithm for the strong connected component of the graph is named after its inventor Robert Tarjan. Robert Tarjan also invented the Tarjan algorithm for dual-connected components, as well as the offline Tarjan algorithm for recent public ancestors, where Tarjan expressed a high respect.Attached: C + + program for Tarjan algorithmvoid Tarjan (int i) {int J; Dfn[i]=low[i]=++dindex; Instack[i]=t

Tarjan Algorithm for Directed Graph strongly connected components

closely related to the Tarjan Algorithm for Finding undirected graph's dual-connected components (cut points and bridges. Learning the Tarjan algorithm also helps you to deeply understand the Tarjan Algorithm for dual-connected components. The two can be compared and combined. The Tarjan algorithm used to calculate the strongly connected component of a directed graph is named after its inventor Robert Tarjan. Rob

Serialization (Overview)

need a good document and more examples. If you don't fully learn his source code, you don't know how to use it. The latest version supports the XML format. It does not meet the needs of, 7 ?, 8, 9. Holub's implementation[3] It was the first one to let me seriously think about how to implement my own serialization requirements. If you are not arrogant or arrogant, reading it will be quite interesting and worthwhile. It does not meet the requirements of, 6. S11n[13] the goal of this database is

Latest cloud computing Information

series with no built-in SSD, the performance is improved by about 60%, it is estimated that there are two reasons for the lack of Optimization for file systems and products. Application According to the test data of storgaemojo's Robert Harris on a 2009-year-old MacBook ProFor the Leopard operating system, the speed of using a momentus XT hard disk is basically the same as that of a General hard disk, that is, about 45 seconds.Air can be started in 1

10 paper articles that designers should read

In dr. although the blog I saw on the Dobb website has been around for a while now, and a lot of content is more theoretical, Or I feel a little touched when I need some work experience, so after a while, you may have different experiences when looking back at these articles. There is also a link to "10 papers that developers should read", which is also a good article. 10 papers every software architect shocould read (at least twice) Earlier today I read a post by Michael feathers called "10 pap

Analysis of interview questions of a famous software company

A famous software company held a job fair today. It is interesting to have such a question. The recruitment questions are as follows: Donald + Gerald ---------- Robert has a total of 10 letters. Each letter represents one of the 0-9 Arabic numerals. If R = 7 is known, calculate the numbers represented by the other 9 letters. The answer is as follows: (1) 2D = T, meaning T is an even number. (2) 2L = r, think R = 7, and 2L is an even number, which indi

12 tips for improving personal efficiency

actually impossible to control it ." Sometimes this means manual manufacturing control is needed, said Monroe. "I will let the patient go to the bathroom to flush the toilet. Such behavior, or other seemingly meaningless similar behavior, can break the continuous stress cycle and divert the impact of the current stress to other transactions ." Such means can help to direct the pressure to the "available level, at which people gain a sense of control and turn negative pressure into benign pressu

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