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Go ContentProvider content Providers

ContentProvider Conten Tresolver resolver = GetContext (). Getcontentresolver (); Uri uri = uri.parse ("Content://com.demo.sqlite.provider/person"); Cursor C = resolver.query (URI, NULL, NULL, NULL, or NULL); while (C.movetonext ()) {Person person = new Person (c.getint (0), c.getstring (1), C.getint(2)); Logger.i (TAG, person.tostring ()); }//query by the ID of the person public void TestQuery3 () {//through the Co

Android RichText makes TextView easy to support rich text (image Imagespan, click Effect, etc. like QQ micro-mail chat) _android

Androidrichtext help to achieve like QQ, micro-letter, a textview in both words and expressions have the effect of the picture, the use of plug-in framework, code simple, strong scalability. The underlying framework package has only four Java files, Richtextwrapper: The TextView package class, which supports rich text, is constructed from the new Richtextwrapper (TextView v). Rtmovementmethod: inherits from the Android native Linkmovementmethod, rewrites the Ontouchevent method, optimizes Cli

How the Go language handles stacks

This is a creation in Article, where the information may have evolved or changed. Go 1.4beta1 just released, in Go 1.4beta1, go language stack processing way from the previous "segmented stacks" changed to "continuous stacks". On the Go language of stack processing mechanism, development history, existing problems, cloudflare an official blog has been systematically elaborated, here the content is translated from the

Patch OpenSSL enables it to support chach20_poly1305 encryption algorithms

The current version of OPENSSL-1.0.2J does not support Google's CHACHA20 encryption algorithm. The CHACHA20 encryption algorithm is relatively safe relative to RC4, and is optimized for ARM's mobile phone, making it faster and more power-saving.However, the latest Intel processors and ARM V8 processors are optimized for AES-GCM encryption algorithms through the AES-NI instruction set, which is much faster than chacha20, so the Aes-ni encryption algorithm is preferred on devices that support AES-

Safety Test ===sqlmap (premises) reprint

:23] [DEBUG] checking for waf/ids/ips product ' Hyperguard WEB application fire Wall (Art of Defence Inc.) ' [Xx:xx:23] [Debug] Checking for Waf/ids/ips product ' Cisco ACE XML Gateway (Cisco Systems) ' [xx:xx:23] [debug] checking for Waf/ids /ips product ' Trafficshield (F5 Networks) ' [xx:xx:23] [DEBUG] checking for waf/ids/ips product ' Teros/citrix application Firewall Enterprise (Teros/citrix Systems) ' [xx:xx:23] [DEBUG] checking for waf/ids/ips pRoduct ' KONA Security Solutions (Akamai

Address book example implemented by calling system URI through contentresolver

adding and deleting Address Book tables: [Java] View plaincopy ImportAndroid. content. contentresolver; ImportAndroid. content. contenturis; ImportAndroid. content. contentvalues; ImportAndroid. content. context; ImportAndroid. provider. contactscontract. Data; ImportAndroid. provider. contactscontract. rawcontacts; ImportAndroid. provider. contactscontract. commondatakinds. Phone; ImportAndroid. provider. contactscontract. commondatakinds. structuredname;

Study on Gallery in Android source code (1)

BUCKET_GROUP_BY_IN_ONE_TABLE = "1) group by (1"; public static BucketEntry [] loadBucketEntries (JobContext jc, ContentResolver resolver, int type) {if (ApiHelper. HAS_MEDIA_PROVIDER_FILES_TABLE) {// when API1> = 11 (after Android3.0) return loadBucketEntriesFromFilesTable (jc, resolver, type); // obtain multimedia files (images and videos) in the MediaScanner Database) directory path and directory name} e

Nginx OCSP stapling configuration, nginxocspstapling

(accessing Fundebug slows down ). To solve the two problems of OCSP, We have OCSP stapling. The website server performs OCSP queries, caches the query results, and returns the results to the browser during TLS connection with the browser, so that the browser does not need to query the results again. This solves the problemPrivacyAndPerformanceProblem.OCSP stapling Detection SSL Labs can comprehensively analyze the SSL configuration of websites that enable HTTPS, and detect the status of OCSP st

Operate the Android mobile phone Address Book Database

// Obtain the contact information entity by IDPrivate Static encontactbackup getencontactbackup (string ID ){Contentresolver resolver = acapplication. getinstance (). Getcontentresolver ();Encontactbackup contact = new encontactbackup ();Contact. setid (ID );String value = NULL;// Obtain the nicknameCursor cur = resolver. Query (contactscontract. Data. content_uri,New String [] {nickname. name },Contactscon

[Django] Django handles request process details

variable of the processor and call every method. The httprequest instance is passed as the parameter. for middleware_method in self._request_middleware:response = middleware_method(request)if response: break These methods can be used to process the remaining short circuit and immediately let GET_RESPONSE return, by returning a value of its own (if they do so, the return value must be Django. HTTP. an instance of httpresponse, which will be discussed later ). If one of them does this, we wi

Contentprovider of four Android Components

(uri)){case ITEM:StringBuilder sb=new StringBuilder();long id=ContentUris.parseId(uri);sb.append("id="+id);if(selection!=null selection.equals("")){sb.append("and selection");}num=db.update("student", values, sb.toString(), selectionArgs);return num;case ITEMS:num=db.update("student", values, selection, selectionArgs);return num;default:throw new IllegalArgumentException("UnKnow URI:"+uri.toString());}}} 3. Compile a test class Public class mainactivity extends activity implements onclicklisten

Nodejs framework of paypal Kraken-js source code analysis

(kraken, {_ app: {enumerable: true, writable: true, value: null}, _ promise: {enumerable: true, writable: true, value: null }, host: {enumerable: true, writable: true, value: undefined}, port: {enumerable: true, writable: true, value: undefined },'☯': {// This is silly, but since a require-d app may be using // kraken, but the proto isn' t a reference to the same // object, we need to have a unique identifier for the // 'iskraken' check. (Non-enumerable .) value :'☯'});} It creates a kraken obj

DNS protocol detailed

are as follows:• The address resolver is the client, responsible for querying the name servers, interpreting the responses returned from the server, and returning the information to the requester.• The domain name server is a server party that stores and manages the domain name database of the jurisdiction, receives requests from the address resolver, and makes recursive and non-recursive queries according

Android obtains all pictures, video thumbnails, and album covers on the SD card.

Android obtains all pictures, video thumbnails, and album covers on the SD card.Query Images First, query the inherent Android database. The image Uri isImages.Media.EXTERNAL_CONTENT_URI.The following is a specific instance query,FileInfoIs a custom data model. Public ArrayList QueryAllImage (final Context context) {if (context = null) {// judge the validity of the input parameter return null;} ArrayList Images = new ArrayList (); ContentResolver

Android get system WiFi status etc.

Wifi  Get WiFi statusWifimanager Wifimanager = (wifimanager) context.getsystemservice (Context.wifi_service);if (Wifimanager! = null) {int wifistate = Wifimanager.getwifistate ();}Attached: WiFi status has the following: (in parentheses for the corresponding int value)1. wifimanager.wifi_state_disabled (1)2. Wifimanager. Wifi_state_enabled (3)3. Wifimanager. Wifi_state_disabling (0)4 Wifimanager. Wifi_state_enabling (2)Set WiFi statusWifimanager Wifimanager = (wifimanager) context.getsystemservi

[Reprinted] Development of Spring custom views and view parsers, spring views

Exception {if (location = null) {throw new Exception ("No location specified for GenericFileViewResolver. ");} String requestedFilePath = location + viewName; Resource resource = null; try {logger. finest (requestedFilePath); resource = getApplicationContext (). getResource (requestedFilePath);} catch (Exception e) {// return null to be processed by the next resolver logger. finest ("No file found for file:" + requestedFilePath); return null;} logger

Spring-boot-thymeleaf

API changed, the dialect Depende Ncy must be updated too. Before it is available on Maven Central, we must add snapshot repository to POM:repository> id> Sonatype-nexus-snapshotsid> name>sonatype Nexus snapshots name> url>https://oss.sonatype.org/content/ Repositories/snapshotsurl> enabled>trueenabled> snapshots>repository> And then declare the dependency:dependency> groupId>org.thymeleaf.extrasgroupId> artifactId>thymeleaf-extras-java8timeartifactId> version>3.0.0-SNAPSHOTversion>dependenc

Two Memcached DDoS attacks PoC released

was detected in, when the Code hosting website GitHub was hit by the largest DDoS attack ever, reaching the peak of tbps. Memcached is a free and open-source high-performance distributed memory cache system designed to accelerate the running of Dynamic Web applications by reducing the database load. The client communicates with the memcached server through TCP or UDP on port 11211. To abuse the memcached server, attackers can send requests to the target server through port 11211, disguised as t

In-depth understanding of Go time processing. Time)

Before go1.9, time. Time is defined as type Time struct {// sec gives the number of seconds elapsed since// January 1, year 1 00:00:00 UTC.sec int64// nsec specifies a non-negative nanosecond// offset within the second named by Seconds.// It must be in the range [0, 999999999].nsec int32// loc specifies the Location that should be used to// determine the minute, hour, month, day, and year// that correspond to this Time.// The nil location means UTC.// All UTC times are represented with loc==nil

Python: re. sub () second parameter, pythonre. sub

Cloudflare IUAM Javascript on website.") js = re.sub(r"a\.value = (parseInt\(.+?\)).+", r"\1", js) js = re.sub(r"\s{3,}[a-z](?: = |\.).+", "", js) js = re.sub(r"[\n\\']", "", js) if "parseInt" not in js: raise ValueError("Error parsing Cloudflare IUAM Javascript challenge.") js = js.replace('parseInt', ';return parseInt') js = 'function answer(){%s}' % js The middle section: js = r

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