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Mobile Devs: Why Windows Phone matters to you

Everyone knows how competitive the mobile space is. there are a wide range of platforms available for you as a developer to adopt and build your mobile app masterpiece, each with their pros and cons. so Microsoft introduces a new mobile platform

Java EE Tutorial Instance installation

J2ee This section describes the installation of each representative instance, the original English document is located in the following path: j2ee1.4/samples/docs/list.html Duke ' s Bookstore 1 compile. Switch to j2ee1.4 Amples\webapps\bookstore\bookstore1 RC 1 Execute asant clean., this is clear 2 Execute Asant Core, which is compiled 2 Start the Pointbase database and prepare the data 1) Execute 2) Start server 3) Switch to j2ee1.4 Amples\webapps\bookstore\bookstore1 R

Linux tar command usage detailed

Tar cvfz backup_1.tar.gz-exclude=resource*-x ext.txt/opt/data It's OK. The contents of my Ext.txt file are as follows: $ cat/tmp/ext.txt /opt/data/devs/locks/db-logs.lock/opt/data/devs/locks/db.lock/opt/data/devs/hooks/post-revprop-change.tmpl/opt/data/devs/hooks/pre-lock.tmpl/opt/data/

Python Google Class exercise Analysis 1

I recently read Google's Python Class for the second time and found that Google is still a good guy. I wrote it very briefly, but it was very clear and specific, the following is my analysis of the question, which is only used for notes. 1. # Given an int count of a number of donuts, return a string# Of the form 'number of donuts: # Passed in. However, if the count is 10 or more, then use the word 'authoriz

Use LIBUSB to detect USB devices on your MAC in QT

Project compilation optionsModify the files in the QT project by .pro Adding the following lines:macx: LIBS += -L$$PWD/lib/ -lusb-1.0.0INCLUDEPATH += $$PWD/.DEPENDPATH += $$PWD/.0x02 Writing LIBUSB test program Getusbinfo.h #ifndef Getusbinfo#define GETUSBINFO#include #include #include #include #include structstuusbdevices{QString idproduct; QString Idvendor; QString Imanufacturer; QString Iserialnumber;};classgetusbinfo:qthread{ Public: Getusbinfo (Qobject *parent); ~getusb

A study of Ceph

' # ' #character for the following settings andreplace the values #in braces with appropriate values, orleave the following settings #commented out to accept the defaultvalues. You must specify the #--mkfs option with MKCEPHFS in order forthe deployment script to #utilize the following settings, and Youmust define the ' devs ' #option for each OSD instance; See below. OSD MKFS type = XFS OSD MKFS Options XFS =-F #default for Xfsis "-F" OSD mount Opti

Delete (erase)

Delete (erase) Syntax: IteratorErase (IteratorPos );IteratorErase (IteratorStart,IteratorEnd); basic_string erase (size_type Index = 0, size_type num = NPOs ); The erase () function can be: Delete the characters pointed to by POS, and returnIterator, Delete all characters from start to end, ReturnsIterator, Pointing to the next position of the last character to be deleted Delete num characters starting from Index, Return* This. ParametersIndexAndNu

Libusb is opened according to the serialnumber of the device

In the Libusb open source source, there are based on VID and PID to open the interface of the device. However, this is not the only device. Because there are a lot of devices vid and PID are the same, such as the iphone.But the serial number of the device is unique, so according to the reference vid and PID open source code, the following is the opening of a designated serialnumber device.libusb_device_handle* Libusb_open_device_with_serialnumber (libusb_context* ctx, const char* serial_number)

ADB Multi-Device management

= "${comp_words[comp_cword-2]}" if ["$prev 2" = = "Push"] | | ["$prev 2" = = "reboot"];then return 0 fi;; Esac compreply= ($ (compgen-w "$opts"--$cur)) return 0} select_device () {# If Env dev exist find it, Use it. || Choose one of the devices. if test $#-eq 0-a-n "${android_serial}"; Then local env_dev="${android_serial}" local devs= (' adb devices ') Local Env_dev_status=0 # Find the env device for T in ${de

3.0.35 platform bus, device and driver

the ID table*/ if(pdrv->id_table)returnPLATFORM_MATCH_ID (pdrv->id_table, pdev)! =NULL; /*Fall-back to driver name match*/ return(strcmp (pdev->name, drv->name) = =0);}As we can see, matching platform_device and platform_driver mainly depends on whether the name field is the same.The definition of Platform_device is usually implemented in the BSP Board file, in the board file, the Platform_device is summed up as an array, which is finally passedThe Platform_add_devices () function is regi

Openstack_swift source code analysis-create and join a ring? Detailed analysis of device source code algorithms

1. Create a ring code for detailed analysis In the openstack_swift -- Ring organization architecture, we have analyzed the specific working process of the ring. Which of the following statements is added to the ring? Device, delete the device, and the implementation process of balance has been described in detail. First, let's look at the ringbuilder class. Def _ init _ (self, part_power, replicas, min_part_hours): # Why Max. 2 ** 32 If part_power> 32: raise valueerror ("part_power must be at mo

Hid API for Linux, Mac OS X, and Windows

Hid_device_info * devs, * cur_dev; Devs = hid_enumerate (0x0, 0x0); cur_dev = Devs; While (Cur_dev) {printf ( "Device found \ n type: % 04hx % 04hx \ n path: % s \ n serial_number: % ls" , Cur_dev-> vendor_id, cur_dev-> product_id, cur_dev-> path, cur_dev-> serial_number); printf ( "\ N" ); Printf ( "Manufacturer: % ls \ n" , Cur_dev-> manufacturer_string); prin

[Zz] Google v. Microsoft, and the dev: Test ratio debate

Every since I gave a talk at Google's gtac event here in Seattle this past October, I 've had the chance to interact with a number of Google testers comparing and contrasting our two companies 'approach to testing. it's been a good exchange. Now it seems that, their toilets notwithstanding, Google focuses on testing with an intensity that is in the same general ballpark as ours. we both take the discipline and the people who do it seriously. but I think that there are some insights into the diff

Build a blockchain with Go-Part 2: proof of effort

end If not, increase the counter and repeat steps 3-4 So this is a brute force algorithm: Change the counter, calculate a new hash, check, increment the counter, calculate a hash, check, and so forth. This is also why it is very expensive to calculate, because this step needs to be calculated and checked so repeatedly. Now, let's take a closer look at the necessary conditions for a hash to be met. In the original Hashcash implementation, it was required that "the f

Design and Implementation of FIR Filter Based on MATLAB

the amplitude vector of each frequency band specified by F, which is generally expressed only by 0 and 1. The length relationship between A and F is (the length of 2 *) -2 = (F length) Devs = [0.05 10 ^ (-2.5)] is used to specify the maximum output error or deviation between the frequency response of each band output filter and its expected amplitude, And the length is equal to the phase. The formula is as follows: Band attenuation error = α S, ba

Silverlight vs HTML5

fans. Developers will also select appropriate technologies based on actual scenarios. HTML5 and Silverlight are both basic development platforms, but they will use different methods to attract different audiences, because they are not competing for the same champion. I hope you are not shocked! That's what our data shows-web Devs never picked up Silverlight as their platform of choice. they always stayed close to what they felt most comfortable with

WEKA cluster results

0.0026 0.001 0.0011 0.0066 0.002 0.013 0.0062 0.0011 0.0101 0.0061 0.0072 0.0085 0 0.0023 0.0038 0.0062STD Devs: 0.0557 0.0463 0.0581 0.0442 0.0561 0.0503 0.0581 0.0578 0.0776 0.0573 0.062 0.0566 0.0531 0.0797 0.0528 0.0787 0.0468 0.0499 0.049 0.0633 0.0616 0.0603 0.078 0.0552 0.0515 0.0432 0.1148 0.0555 0.0178 0.0396 0.0673 0.0578 0.0438 0.0496 0.0437 0.0541 0.0498 0.0679 0.0406 0.0615 0.0545 0.0398 0.0551 0.0321 0.0415 0.0435 0.0551 0.0308 0.039 0.

LTE Module User documentation (translator 11)--Configure user measurement

the entire simulation of the measurement configuration. During simulation, users can capture user-generated measurement reports by listening to existing Lteenbrrc::recvmeasurementreport trace source. The structural body Reportconfigeutra conforms to the 3GPP specification. The definition of the struct and each member field is shown in section 6.3.5 of [TS36331]. The following code sample is used to configure the Event A1 RSRP measurement for each base station in the container

An example of kernel compilation error Solution

An example of how to solve the kernel compilation error -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Error: CC arch/arm/mach-s3c2410/cpu. o CC arch/arm/mach-s3c2410/irq. o CC arch/arm/mach-s3c2410/time. o CC arch/arm/mach-s3c2410/gpio. o CC arch/arm/mach-s3c2410/clock. o CC arch/arm/mach-s3c2410/devs. o In file sorted ded from arch/arm/mach-s3c2410/

Use the Python Twisted framework to compile the code example of a non-blocking program, pythontwisted

four consumers to install a package for one user, and 12 seconds for the four consumers. This is not satisfactory, so let's take a look at the second example using a thread: import threading# The company grew. We now have many customers and I can't handle the# workload. We are now 5 developers doing exactly the same thing.def developers_day(customers): # But we now have to synchronize... a.k.a. bureaucracy lock = threading.Lock() # def dev_day(id): print "Goodmorning from developer", id

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