data-transfer

问题 I am about to program a small desktop application to capture the working times of my fellow co-workers. It must be customized to our needs, therefore a commercial solution is not an option (+ we have no money). I am using Qt (5.11.2) and C++. I have a MainWindow (first window UI) that uses auto-completion to get the information (ID, Names, Group Leaders, ...) from a sqlite3 database and fill the QLineEdits. This part is working just fine. Now, I have created a second window UI to capture the

问题 I am new to Android NFC and developing NFC application in android. My idea is Device A need to send a plain text to Device B. Is it possible in Android NFC? I just tried with Tag Dispatcher (enableForegroundDispatch , disableForegroundDispatch) on both Reader and Writer. My Reader side code is : nfcAdapter.enableForegroundDispatch(this, pendingIntent, intentFilters, techList) override fun onNewIntent(intent: Intent?) { intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES)?.also {

问题 I have about 30 tables in my RDS postgres / oracle (haven't decided if it is oracle or postgres yet) instance. I want to fetch all the records that have been inserted / updated in the last 4 hours (configurable) , create a csv file pertaining to each table and store the files in S3. I want this whole process to be transactional. If there is any error in fetching data from one table , I don't want data pertinent to other 29 tables to be persisted in S3. The data isn't very large , it should be

问题 I need some help with reading value assigned inside sub scripts executed within main script in perl I have "main.pl" where i have few hashes ( %var1 %var2 ) declared and assigned and am processing the values throughout the script. Within main.pl, i execute a perl script "sub_scirpt.pl" using system(perl sub_script.pl) Inside sub.pl, if i am assigning few value to %var1 %var2 How do i print the values assigned in sub_script.pl of %var1 at main.pl script level? Hope the above description gives

问题 I have a method that exports data into Excel called ExportCSV(). I would like a method that has some added ability: ExportCSV(string searchString) where the string that's in the search bar on the web page is sent to this method where I can then use it. So my question is, how can I send the string in the search bar into this method? The relevant code is below. the html The 's are for a search function that does work, but I can't get a similar functionality to work for exporting <input type=

问题 I am quite new to Android and I am porting a C# program to android. Most of it is going fine but I have a long running problem of not being able to bind to 1 of my services. I wanted to start and bind to the service to receive sendBroadcast(intent) from the service. The intent includes the data package for displaying in the UI using sendBroadcast(intent) but that returns a nullpointer, presumably because it is not connected to the activity properly. I have followed so many different tutorials

问题 I am trying to get the below criterias for advertisement spending data to compute ROAS. 'AccountDescriptiveName', 'Date', 'CampaignName', 'CampaignId', 'AdNetworkType2', 'AccountTimeZone', 'Impressions', 'Clicks', 'Cost', 'AccountCurrencyCode', 'Conversions', 'CountryCriteriaId' The CountryCriteriaId is only available in GEO_PERFORMANCE_REPORT which is represented by GeoStats table in Google Ads Transfer Service. I have found some tables like CampaignStats Table are not empty. However, the

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 8 years ago . What is the best way to copy a directory (with sub-dirs and files) from one remote Linux server to another remote Linux server? I have connected to both using SSH client (like Putty). I have root access to both. 回答1: There are two ways I usually do this, both use ssh: scp -r sourcedir/ user@dest.com:/dest/dir/

问题 I am working for sending data over USB from an Android app to a connected HID device. On checking for interface and endpoint of the device I have found that the device has two interrupt endpoint for both In and Out direction with Max Packet Size=64. I have detected the USB device and its endpoint from the code below and struggling to send data from the app to device but didn't get success yet. private void setConfiguration() { if (mUsbDevice.getInterfaceCount() != 1) { Log.e(TAG, "could not

问题 App crashes while sending data over a socket using wifi p2p connection I am testing a simple chat application between HTC_Desire_10 pro (running Android 6.0) and OPPO A83 (running Android 7.1.1). I have the same app running on the two devices. The app first turns wifi on, then starts discovering peers on a users click event. The user can choose the device they want to connect to from a dynamically generated peer list. The two devices are able to connect successfully. I am able to send a text