Ordered by Bounties - to get your answers faster and to attract more attention when brainstorming an important idea, consider announcing a Bounty
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Global list of AID's - global well known Smart Card Applet ID's
4 years ago • alex@qrid
Is there a list of a well known smart cart AID's (Applet ID's)? APDU ISO/IEC 7816-4 Application Identifiers?
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1
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Android Wakelock troubleshooting - identifying the app that is preventing the phone from going into sleep mode and fast draining the battery
4 years ago • alex@qrid
My Nexus 5 sometimes drains from 100% chage to zero overnight. This only happens occasionally, and I am assuming some of the apps is not properly handing Android wakelock preventing phone from going to sleep. This assumption is confirmed by the following screenshot (Android KitKat 4.4.4). It shows 9 hrs of "keep awake" time and only 19 minutes of "CPU total" time. Question: how to find out what app is holding that wake lock preventing the phon ...
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8
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Secure Element with JavaCard connected to Android Phone over USB cable
4 years ago • alex@qrid
We are looking at implementing a hardware security token with Secure Element (SE) with JavaCard smartcard connected to Android Phone over USB cable. In this design Android phone will be acting in a "USB host" mode. Looking for a list of SE chips or smartcard manufacturers who provide Secure Element chip in a USB form factor. Thank you!
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Android API to communicate with SmartCard reader over USB port
4 years ago • alex@qrid
How to programmatically access PC/SC compliant smartcard reader from Android App? The smartcard reader is physically connected to Android device through the USB port. Thanks!
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1
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Android API for APDU over USB - communicating with smartcard / secure element in a USB form factor from Android App
4 years ago • alex@qrid
How to communicate with smartcard / secure element physically connected to Android device over USB? Thanks!
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1
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How to increase Java HEAP SIZE? Getting java.lang.OutOfMemoryError: Java heap space
4 years ago • alex@qrid
How to increase Java HEAP SIZE? Getting this exception: java.lang.OutOfMemoryError: Java heap space at runtime when trying to execute this line of code: byte[] data = new byte[cols * rows * elemSize]; in the main thread (console application). Environment: Win32 (Windows XP SP3 32 bit, 4 Gb of physical RAM): java -version java version "1.7.0_25" Java(TM) SE Runtime Environment (build 1.7.0_25-b17) Java HotSpot(TM) Client VM (build 23. ...
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2
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I downloaded an Android Bitcoin Wallet Where do I Find My Private Key?
3 years ago • bitcoinsquestions
With my PC wallet I got a 12 word seed mnemonic that I was able to write down. With the android wallet they do not let me get a private key at all. They allow me to back up on the wallet or externally but I don't see any private key or 12 word seed mnemonic in the file. What if I lose my phone or its damaged? Please help.
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1
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Linux installation with encrypted boot partition / fully encrypted boot drive
9 months ago • alexkonovalov@qrid
How to create a Linux installation (Red Hat Enterprise Linux / RHEL) that would start from fully encrypted boot partition?
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Libra Coin - what are transaction fees for the new Facebook's cryptocurrency
6 months ago • alex5
I wonder how much does it cost to send a LibraCoin transaction? Is it cheaper than Bitcoin transaction fees?
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Libra Coin - are there any mobile wallets available for testing?
6 months ago • alex5
Hey guys I wonder if there are any Android or iOS libra coin apps that could be downloaded for testing in the testnet? Thanks!
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Is there any Libra Coin client-side Android library suited to be used in a Libra Coin Wallet app?
6 months ago • alex5
I am looking for a client-side Libra Coin Android library that I want to use to develop Libra Coin wallet app. Please advice! Thank you!
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0
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What Libra Coin SWIFT / Objective C library could be used to develop mobile LibraCoin wallet app for iOS?
6 months ago • alex5
We are looking into developing a LibraCoin wallet app for iOS that would be an alternative to Facebook's native app. I wander are there any client-side libraries or should it be done server-side? Thank you!
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1
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MS SQL Server: How can I add new login and grand permissions for DB using T-SQL
27 days ago • lampego1@qrid
I need to be able to establish an ODBC connection through SQL Server authentication. How can I grant permissions for an user with ALL rights on DB? Please help :)
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MsSQL Server: How can I restore DB using T-SQL
27 days ago • lampego1@qrid
How can I restore DB using T-SQL? I'm working on linux(ubuntu)
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1
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MsSQL Server: How can I drop DB using T-SQL?
27 days ago • lampego1@qrid
I want to drop my DB and close all connections before it When I try to do it I receive this message: Cannot drop database "DBName" because it is currently in use. Thanks..
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How can i recover my Lost bitcoin account?
24 days ago • billsam
bitcoin is big scam, I bought coins and my wallet was hacked. Thanks to coinsharvest @ protonmail.com, they recover my wallet and coins back in less than 4 hours. You can try them out.
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1
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Get progress of an JQuery AJAX request
19 days ago • lampego1@qrid
I use this code: var formData = new FormData(); for (var i = 0; i < files.length; i++) { var file = files[i]; formData.append('files[]', file, file.name); } $.ajax({ url: '/url', // dataType: 'json', type: 'POST', // Form data data: formData, // Tell jQuery not to process data or worry about content-type // You *must* include these options! en ...
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1
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NodeJS and desktop applications
5 years ago • experto
Hi, Is there any possibility to create at least small desktop applications using NodeJS (nodejs)? I need application which shows some information in task bar balloon.
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1
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Worldwide City lookup javascript autocomplete list powered by Google Maps data API
5 years ago • alex
Noticed this in one of the websites - the "City" input field has a nice autocomplete lookup apparently powered by Google Maps data. What is the API powering this javascript city search box?
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Where to download older Android SDK with Eclipse ADT plugin bundle
5 years ago • alex
Not yet ready to migrate older apps to Android Studio, so still need to install Eclipse with ADT plugin on a new laptop. Tried to find Eclipse / ADT bundle download links at developer.android.com website to no avail. It seems like Google have removed older "Eclipse bundle for Android" downloads from developer website. Where can I download final version of Android SDK with Eclipse ADT plugin bundle? Thanks!
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