what is mapi failure

PHP always query data failure, what is wrong??

, for non-stack-based calling implementation, the performance of exceptions and returned errors is slightly different, but the style is different. Back to the problem, what is the essential difference between exceptions and returned errors? A: exceptions are strongly typed and the type-SAFE branch processing technolog

For example, the Add method of a user Class, returns the user object instance in case of success, returns false in case of failure and can get the reason string of failure by the GetError method .... Speaking of which, I seem to understand that the Add method should always return the user object, or throw an exception? But in that case, there's no difference in the amount of code they have. The problem

What should I do if mysql cannot be installed? mysql installation failure causes and solutions, mysql Failure Causes The mysql database cannot be installed! Mysql cannot be installed in the last step! Mysql cannot be installed! Is it a headache and a headache? Now you don't have to worry about it. Let's take a look at

There are many ways to solve the iphone screen failure: 1, the lock screen state long press the home key to enable voice control, and then said "play Music", Play songs touch function recovery. 2, waiting for the phone does not power automatic shutdown, and then recharge the boot can resume touch screen operation. 3, IPhone 5s connection itunes, upgrade the latest version of the iOS system after the touch screen function will be restored.

Lessons from a lifetime of being a programmer I have learned many useful things in my 30 years of programmer career. The following are the highlights of my years of experience. I often think that if someone could give me some advice on these experiences, I believe that I will be more advanced now. 　　1. Customers can understand their needs only after they have reached the product. This is what I learned in m

Chapter No. 0 Introduction Bitcoin is a set of software, the software code to modify the upgrade will often involve two concepts, a called hard fork, a soft fork. What the hell does that mean? The most common definition in the community is the modification of consensus. But it is difficult to understand

What is Chip Decryption ? What is IC decryption ? What is a single-chip microcomputer decryption ? Brief description of Chip decryption: nbsp; Chip decryption is also known as a singl

What does failure mean? Mexico score weekly2Month20Phase I of the dayArticle] Question: What is failure? Failure does not mean that we are the losers. It only means that we have not succeeded.

Recently many users have reacted by saying that the application initialization failed, and what was the cause? What's the solution? In fact, the cause of the application initialization failure may be: Firewalls, anti-virus software does not start properly, QQ chat software, etc. these can cause application initialization failure. The following small series first

Is null and is not null in SQL SERVER cause index failure ?, Sqlnull In fact, there is nothing to say about this problem. I encountered an SQL statement during optimization today. Because it is interesting, I have cut and simplified the SQL statement and demonstrated it for

is often taken into account in the beginning of the new project, thus effectively avoiding the same error two times.At the AAR meeting, when I learned that the neglect of a certain detail led to the loss of the whole thing, I could not wait for the time to turn back, and when the time returned to this moment, I swore, "I will do it as my task, and be perfect." The lesson of failure

Ctrip yesterday did not open the site of the server failure, I believe we also see Ctrip Science and Technology building all night to accelerate the renovation of the magnificent scene, then for server downtime How to do? This article small make up to teach everybody server failure contingency plan. First distinguish the factors that cause the server to fail: 1. External attack 2. Internal at

What about the failure of the Notebook touch control board? A touchpad is an input device that moves a cursor on a smooth trackpad, using the sliding operation of the fingers. Can make beginners easy to use. Because the touchpad's thickness is very thin. So it can be designed in a very thin notebook computer, or a key

WIN8 blue screen Failure code 0x00000019 what to do? Method/Step 1. Download a PE micro-system, this is the installation system, maintenance of the computer's necessary tools, there are small tools to repair the guide. 2. In addition, this blue screen code may also be hard disk, data cable and other hardware caused by the exception.

What if the Win7 system installs the USB3.0 driver failure? Cause of failure: Indicates that the USB3.0 driver for this machine is not installed properly. Currently, there is no separate USB3.0 device driver download link in the driver Web site, but it

determined: may be due to the computer room power outage, the host operating system corruption occurred in the file system. In order to verify this speculation, next we restarted the server (fortunately not at this time), and then during the restart process, there was a hint that there was a file system corruption in the root partition and another partition. Follow the prompts to enter maintenance mode, after using fsck-y/dev/partition name repair, Again normal startup, the operating system wil

, which is what we call the power sequencing, A condition can be transferred to the next step, if one of the links occurred in the fault, the whole process can not continue, of course, can not make the motherboard on the electricity. The most basic power sequencing on the motherboard can be understood as such a process: RTCRST#→VSB Standby Voltage →rtcrst#→slp_s3#→pson# Mastering the Power sequencing proc

what happened to the computer hard drive flash? You've never been in a situation where a hard drive endlessly turns and eventually becomes a huge and disturbing noise. Flashed to the screen is "failure Fixed Disk 0", or similar to the fierce message. When your computer's hard drive fails, the first thing you should do is