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I need to read a file which is encoded with ISO-8859-1 (also called latin1), something like this: ... What encodings does readFileSync accept? 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 get exception message in Python properly

What is the best way to get exceptions' messages from components of standard library in Python? I noticed that ... most of these situations? See Question&Answers more detail:os...

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

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Saving plots (AxesSubPlot) generated from python pandas with matplotlib's savefig

I'm using pandas to generate a plot from a dataframe, which I would like to save to a file: dtf = pd. ... ).get_figure().savefig('output.png') 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 - Custom seekbar (thumb size, color and background)

I would like to have this seekbar in my Android project : This is my seekbar : <SeekBar android:id="@+id/ ... not understand how I can do. 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 - What does a transaction around a single statement do?

I understand how a transaction might be useful for co-ordinating a pair of updates. What I don't ... suspect this is superstitious programming. See Question&Answers more detail:os...

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

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download - Getting around Chrome's Malicious File Warning

I created an application which comprises a number of *.exe files. I've packaged these up into an NSIS ... to avoid this nasty message? See Question&Answers more detail:os...

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

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macos - sed -i command for in-place editing to work with both GNU sed and BSD/OSX

I've got a makefile (developed for gmake on Linux) that I'm attempting to port to MacOS, but it seems like sed ... but I can't see the solution. 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 - Remove application icon and title from Honeycomb action bar

How can I remove the application icon & title which comes by default in an action bar? There is a similar question ... talk about how to do it? See Question&Answers more detail:os...

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

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mysql - PHP PDO vs normal mysql_connect

Should I use php PDO or normal mysql_connect to execute database queries in PHP? Which one is faster? One ... to the traditional mysql_connect? 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 change string into QString?

What is the most basic way to do it? See Question&Answers more detail:os...

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

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Format numbers to strings in Python

I need to find out how to format numbers as strings. My code is here: return str(hours)+":"+str(minutes)+":"+ ... do I need to do this 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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android - Accessing UI thread handler from a service

I am trying some thing new on Android for which I need to access the handler of the UI thread. I know the ... that I can try it. Regards Girish See Question&Answers more detail:os...

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

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reactjs - Clear and reset form input fields

I have a form containing various input fields and two buttons; one for submitting and one for cancelling. <form id="create ... =text]').val(''); See Question&Answers more detail:os...

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

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iphone - When does an associated object get released?

I'm attaching object B via associative reference to object A. Object B observes some properties of object A ... :self.delegateCallback]; } @end See Question&Answers more detail:os...

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

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xml - XPath: Get parent node from child node

I need get the parent node for child node title 50 At the moment I am using only //*[title="50"] How could I ... </bicycle> </store> </d:data> See Question&Answers more detail:os...

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

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Declare and Initialize String Array in VBA

This should work according to another stack overflow post but its not: Dim arrWsNames As String() = {"Value1", " ... let me know what is 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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rust - How do I use a macro across module files?

I have two modules in separate files within the same crate, where the crate has macro_rules enabled. I want to use ... do I work around that? 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 - Where is pip cache folder?

Where is Python pip cache folder? I had an error during install and now reinstall packages using cache files. ... directory or will remove soon? 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 Objects vs Arrays -- Performance comparison while iterating

I have a huge amount of PHP objects for a neural network for which I have to iterate over and perform some ... classes for dirty arrays :P 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 there a Java equivalent to C#'s 'yield' keyword?

I know there is no direct equivalent in Java itself, but perhaps a third party? It is really convenient. ... lines of code with yield. 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 - How to add table of contents in Rmarkdown?

I am using RStudio for writing markdown documents and want to add Table of Contents (TOC) at top of the ... the outputs of other analyses. 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++ - Why can't I capture this by-reference ('&this') in lambda?

I understand the correct way to capture this (to modify object properties) in a lambda is as follows: auto f ... compiler error as seen above. See Question&Answers more detail:os...

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

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asp.net ajax - How to have a javascript callback executed after an update panel postback?

I'm using a jQuery tip plugin to show help tips when the user hovers certain elements of the page. I need to ... Is there any way to do this? 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 - pandas multiprocessing apply

I'm trying to use multiprocessing with pandas dataframe, that is split the dataframe to 8 parts. apply some function to ... id'], big_df['id']) 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 - replace selected text in contenteditable div

I have been looking high and low for an answer but failed. Is there a cross-browser solution to replace ... the highlighted text with xxxxx. 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 - T-SQL: Selecting Column Based on MAX(Other Column)

I'm hoping there's a simple way to do this without using a sub-query: Scenario: You have "TableA" with ... = (subselect for max subkey)'? 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 - Should one really set pointers to `NULL` after freeing them?

There seem to be two arguments why one should set a pointer to NULL after freeing them. Avoid crashing when ... free to expand this question. See Question&Answers more detail:os...

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

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wpf - How to open a new window using MVVM Light Toolkit

I am using MVVM Light toolkit in my WPF application. I would like to know what is the best approach for ... behind or what? Regards, Nabeel See Question&Answers more detail:os...

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

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