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Error: iPhone developer: this identity cannot be used for signing code

The following error occurs: IPhone developer: this identity cannot be used for signing code Command/bin/sh failed with exit code 1 The specific cause is not clear, and the root cause is not found. However, you can solve the problem by using the following script: Export Codesign_allocate =/applications/xcode. APP/contents/developer/platforms/iphoneos. Platform/develo

PLSQL developer failed to connect to Oracle10g

When you use PLSQL developer to connect to Oracle9i, you only need to configure the net configuration assistant and test it successfully. Then, you can use it on the PLSQL Dev connection. However, when connecting to Oracle 10g The following prompt is displayed :--------------------------- PL/SQL developer-(not logged on) --------------------------- Initialization error SQL * Net not properly installed Or

SQL developer Problems and Solutions

Unable to start. After "unable to create an instance..." is downloaded, run the following message: ---------------------------Unable to create an instance of the Java Virtual MachineLocated at path:--------------------------- The reason is that the JVM parameter settings are incorrect. There are two solutions: Solution 1: Modify the file and set the "addvmoption-xmx" parameter as follows:Addvmoption-xmx256mThen it starts up normally. Solution 2:The setting is different, and the principle is the

Special copy in PL/SQL developer)

Special Copy in PL/SQL DEVELOPER) -- Excerpt from PL/SQL syntax 6.0 Chinese PDF help manual If you are using PL/SQL Developer to write SQL and PL/SQL code, then you need to use code in other tools, such as programming languages such as 3GL, you may need to convert the code to a slightly different format. Let's assume that you have written and tested such an SQL statement in PL/SQL

Won the title of "Microsoft's most influential developer (GDI )"

Won the title of "Microsoft's most influential developer (GDI )" Su Weimin http://www.gisdev.cn/http://blog.csdn.net/suen/ date: 2008-12-25 All copyrights reserved. If you need to reprint the information, contact the author and indicate the source in a conspicuous position. I was surprised when I received the EMS package today. I did not expect that I had applied for the "most influential Microsoft d

It is difficult to become a test developer

Original article: it's difficult to grow a test developer Note: This article is also true. It is not that easy to switch from test to test development. It takes a lot of effort to sacrifice your spare time. Especially when others are playing games, watching web pages, going to the street, watching movies, it's really hard to be able to stand alone. This is the price. So I really like a colleague who once said a word and wanted to gain something and d

10 programming sayings that every developer should remember

ASP. NET Developer Kevin Pang once published a blog article "10 Programming Proverbs Every Developer shocould Know", which lists the 10 Programming slang that the moderator thinks developers Should remember.Workplace blog-bole online translated this article. The translation is now reproduced here. The full text is as follows: The so-called proverbs are simple and easy-to-understand ways to convey the prover

Debug oracle stored procedures in PL/SQL Developer.

Debug oracle stored procedures in PL/SQL Developer.Author: iamlaosong Alas, in the real world, I used Toad and used dbms_output.put_line to debug the stored procedure. I only thought it was inconvenient. After PL/SQL Developer was used, I still used this method habitually. People all had inertia. It is inconvenient to analyze the data generated by the stored procedure today. I searched the internet to find out how to debug the stored procedure of orac

Will you let your child be a developer?

At the end of last year, we reported three talented teenagers in the science and technology field, including Thomas Suarez, a sixth-grade iOS developer. At that time, he had developed five iOS applications, A company, CarrotCorp, was set up to impress you, perhaps the speech he gave at the TED podium. Such young stories can always attract a lot of attention, and such stories may become more and more in the future, because the trend of younger develope

How to obtain and install the Android L Developer Preview

Google launched the next popular mobile operating system Android L on Wednesday. However, only a simple preview version is provided, and a Developer Preview version will be provided later. The full version is planned to be released this fall. Next let's take a look at how to download and install. Before you install the AndroidL Developer Preview, you need to know the following: 1. This version is unstabl

Solution for real machine debugging and "cocould not find Developer Disk Image", finddeveloper

Solution for real machine debugging and "cocould not find Developer Disk Image", finddeveloper Test procedure 1. Run Xcode. After Xcode is enabled, click 'xcode 'in the upper left corner and click 'preferences '. 2. In the open window, click 'accounts', switch to the Account page, click the '+' icon below, and click 'add Apple id' in the pop-up menu '. 3. In the pop-up dialog box, enter your AppleID and password (no $99 account is required, as long

Use Chrome Developer Tools for JavaScript Performance Analysis

Your website is running properly. Now let's make it run faster. The website performance is determined by the page loading speed and code execution efficiency. Some services can make your website load faster, such as compression and CDN, but make code execution faster. Minor changes in the Code may have a huge impact on performance. The quick and flexible website and the terrible "no response script" dialog box may have only a few lines of code. This article shows you how to use Chrome

Introducing the IE8 Developer Tools JScript profiler

Hello! I am Sameer chabungbam, one of the program managers on the JScript team. The recently released beta 2 of Internet Explorer 8 contains a lot of improvements which are aimed at making developing Web applications on Internet Explorer 8 easier and more productive. one of these improvements is the JScript profiler in developer tools, which provides critical JScript related performance data to a web developer

About BMC remedy developer Studio

What is BMC remedy developer studio?BMC remedy developer studio is an integrated development (integrated) Environment (IDE) for Ar system applications. it provides all the application development functions of the previous BMC remedy administrator tool with a modern, powerful, easy-to-use interface. (the AR system administration console provides the server administration functions that BMC remedy Administrat

Apply for an iOS developer Certificate

Apply for an iOS developer Certificate Today, we will introduce how to apply for an iOS developer certificate (99 knives ): 1. Open https://developer.apple.com/programs/ios,Click Enroll now: 2. If you already have an Apple id, select the first item. Otherwise, you can create one: 3. Here, you should select individual instead of company (the former is 99 knives a

I uninstalled PL/SQL Developer and compared it with Toad for Oracle.

I uninstalled PL/SQL Developer and compared it with Toad for Oracle. Previously, PL/SQL Developer was used to manage Oracle, which was inconvenient to use. It is very difficult to open, and there is always an extra box in the upper left corner of the interface. It cannot be set to hide it by default. The only thing that makes it worthwhile is to have a beautification tool, but later I found that Toad actu

"The Ape Group Interview" | Link the developer the story of the female Man Shu and DevLink

routers, as product manager. As a result of this experience, Shu Qi also harvested their love, and Zhu Feng Happy knot, in the later creation of DevLink, Zhu Feng also played an important role. After an entrepreneurial failure, Shu to the Royal Park, took the team, has done vertical community, social products, recruitment products, Internet basic services products, responsible for the project from 0 to 1.  "Female Man" Shu QiDevLink's idea originated from the Tianjin Google

The 11 most influential books a developer must read

11 Book Developer data structure project management programmingabsrtact: for a programmer, in the school can not learn much work in the real needs of the knowledge, only in the work to accumulate and read some excellent books, the practice and theory together to better work. Especially in today's technology development and change, each developer should take the initiative to read books to learn programming

Turn 15 must know chrome developer tips gif

Google Chrome is the most widely used browser for Web developers. The six-week release cycle and a powerful set of constantly expanding development capabilities make it a must-have tool for web developers. You may already be familiar with some of its features, such as using console and debugger to edit CSS online. In this article, we'll share 15 tips to help improve your development process.One, quickly switch filesIf you have used sublime text, then you may not be accustomed to the overwrite of

What's a full Stack developer?

Is it reasonable to expect mere mortals to having mastery over every facet of the development stack? Probably not, but the Facebook can ask for it. I was told at OSCON by a Facebook employee this they only hire ' full Stack ' developers. Well, what's does that mean?To me, a full Stack Developer are someone with familiarity in each layer, if not mastery in many and a genuine interest in All software technology.Good developers who is familiar with the e

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