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I am re-reading some code from a while ago on C++ (I am learning Java in school right now), and I am a ... ) delete f2; // initialize again... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cryptography - Password Verification with PBKDF2 in Java

I'm doing password based file encryption in Java; I'm using AES as the underlying encryption algorithm and ... ? Thanks for your time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Colorbar from custom colorRampPalette

I have defined a colorRampPalette: my.colors = colorRampPalette(c("light green", "yellow", "orange", "red")) ... this on top of another plot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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go - Instance new Type (Golang)

Can anyone tell me how to create a new instance of Type from a string? Reflect? There are examples but they are ... ) of the language [:(] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Modifying contact information

I'm trying to insert and update a piece of information on an existing contact so I've created a ... "android.permission.WRITE_CONTACTS" /> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C# Encryption to PHP Decryption

I'm trying to encrypt some (cookie) data in C# and then decrypt it in PHP. I have chosen to use ... left out any pertinent information. TIA! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Bulk Insert records into Active Record table

I found that my Model.create! statements were taking a very long time to run when I added a large number ... How can I improve the performance? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - How to remove diacritics from text?

I am making a swedish website, and swedish letters are ?, ?, and ?. I need to make a string entered by a ... etc, urlencode wont work for me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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firebase - How can I update more than 500 docs in Firestore using Batch?

I'm trying to update a field timestamp with the Firestore admin timestamp in a collection with more than 500 ... docs are not being deleted. See Question&Answers more detail:os...

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kernel - C# driver development?

Before I jump headlong into C#... I've always felt that C, or maybe C++, was best for developing ... simple virtual serial port driver? -Adam See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Plotting time-series data with seaborn

Say I create a fully random Dataframe using the following: from pandas.util import testing from random import ... different values of alphas): See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - How to load an XML file into a database using an SSIS package?

I am using SSIS in Visual Studio 2008. I have many XML files that I need to process and place into an ... an XML source for each table? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Receiving multiple multicast feeds on the same port - C, Linux

I have an application that is receiving data from multiple multicast sources on the same port. I am able to ... , &reuse, sizeof(reuse)); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is nosql Database good for Online Money Transaction management

I am planning to use nosql Database as the back-end for my Web Product. I have a few very basic doubts. ... i will make the necessary changes. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cuda - How can I check the progress of matrix multiplication?

I'm now only need to show an intermediate progress of matrix multiplication. for(unsigned int col=0; col<mtxSize; ... know in the case of CUDA. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to export data to a csv file with iOS?

My application has a function which can export some data to a csv file, and then copied to PC. What api to use to implement this function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python - Homework - Converting Any Base to Any Base

I'm trying to make a program to convert a number in any base to another base of the user's choice. ... right direction. Thanks for your time! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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debugging - "ValueError: zero length field name in format" error in Python 3.0,3.1,3.2

I'm trying learn Python (3 to be more specific) and I'm getting this error: ValueError: zero length field name ... " i've written in Python. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Copy object to object (with Automapper ?)

I have a class: public class Person { public string FirstName { get; set; } public string LastName { get; set; ... when the type is the same ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - How do you make strings "XML safe"?

I am responding to an AJAX call by sending it an XML document through PHP echos. In order to form this XML ... spot. How can this be fixed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android: open a pdf from my app using the built in pdf viewer

This was my original question: I want to be able to open a pdf file in my app using the android's built in ... file in that app from my app? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - What is the latency and throughput of the RDRAND instruction on Ivy Bridge?

I cannot find any info on agner.org on the latency or throughput of the RDRAND instruction. However, this ... and throughput is variable. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - IE8 does not support querySelectorAll

I tried to use document.querySelectorAll(), but IE8 throw error, that Object doesn't support this property or method ... . What I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Powershell pass variable to start-job

within powershell I'd like to learn the best way to call a variable to a start job so I don't have to ... I forgot the specify the $servername. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to mask credit card numbers in log files with Log4J?

Our web app needs to be made PCI compliant, i.e. it must not store any credit card numbers. The app is a ... it, please let me know :-) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Remove whitespaces in XML string

How can I remove the whitespaces and line breaks in an XML string in Python 2.6? I tried the following packages: ... ='', encoding='UTF-8') See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to use the 7z SDK to compress and decompress a file

According to this link How do I create 7-Zip archives with .NET? , WOPR tell us how to compress a file ... to compute the output size otherwise? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Exception: Unexpected end of ZLIB input stream

There is something wrong with GZIPInputStream or GZIPOutputStream. Just please read the following code (or run it and ... advice. Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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