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c# - Is it worthwhile to initialize the collection size of a List<T> if it's size reasonably known?

Is it worthwhile to initialize the collection size of a List<T> if it's reasonably known? Edit: Furthering this ... -initialize-the-collection-size-of-a-listt-if-its-size-rea...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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247 views

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SQL conditional SELECT

I would like to create a stored procedure with parameters that indicate which fields should be selected. E. ... :https://stackoverflow.com/questions/1038435/sql-conditional-select...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

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python - Why can @decorator not decorate a staticmethod or a classmethod?

Why can decorator not decorate a staticmethod or a classmethod? from decorator import decorator @decorator def ... can-decorator-not-decorate-a-staticmethod-or-a-classmethod...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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217 views

1 answer

bash command to convert html page to a text file

I am a beginner to linux. Would you please help me how to convert an html page to a text file. the text ... /questions/12422289/bash-command-to-convert-html-page-to-a-text-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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191 views

1 answer

.net - Where is MSBuild.exe installed in Windows when installed using BuildTools_Full.exe?

I'm trying to set up a build server for .NET, but can't figure out where MSBuild.exe is installed. I' ... is-msbuild-exe-installed-in-windows-when-installed-using-buildtools-full-e...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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149 views

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algorithm - Average Runtime of Quickselect

Wikipedia states that the average runtime of quickselect algorithm (Link) is O(n). However, I could ... https://stackoverflow.com/questions/5945193/average-runtime-of-quickselect...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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302 views

1 answer

c# - ASP.NET MVC Core/6: Multiple submit buttons

I need multiple submit buttons to perform different actions in the controller. I saw an elegant solution here: How ... questions/36555265/asp-net-mvc-core-6-multiple-submit-buttons...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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310 views

1 answer

ios - Changing activity indicator color to black

I'm trying to change my activity indicator to a custom color like black. However it does not ... stackoverflow.com/questions/29698272/changing-activity-indicator-color-to-black...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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Date string conversion to unix timestamp in JavaScript / jQuery

I have date string in this format: 2009-07-15 00:00:00 - 2009-07-15 08:16:23 Could anyone ... com/questions/11509814/date-string-conversion-to-unix-timestamp-in-javascript-jquery...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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java - Reliably convert any object to String and then back again

Is there a reliable way to convert any object to a String and then back again to the same Object? I've ... /8887197/reliably-convert-any-object-to-string-and-then-back-again...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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317 views

1 answer

IntelliJ IDEA shortcut for switching to tab by number

In FireFox, I'm constantly using the Ctrl + 1-9 shortcut to switch tabs. Basically Ctrl + 1 will take ... /questions/3368792/intellij-idea-shortcut-for-switching-to-tab-by-number...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

1 answer

image processing - Getting the bounding box of the recognized words using python-tesseract

I am using python-tesseract to extract words from an image. This is a python wrapper for tesseract which is ... -the-bounding-box-of-the-recognized-words-using-python-tesseract...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

1 answer

php - How to set the style of line comment in phpstorm

How to change the default style of line comment in PHPStorm to at indentation level rather than at first column? if ( ... /19417962/how-to-set-the-style-of-line-comment-in-phpstorm...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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algorithm - Merge Sort Time and Space Complexity

Let's take this implementation of Merge Sort as an example void mergesort(Item a[], int l, int r) { ... ://stackoverflow.com/questions/10342890/merge-sort-time-and-space-complexity...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

1 answer

IntelliJ IDEA shortcut for switching to tab by number

In FireFox, I'm constantly using the Ctrl + 1-9 shortcut to switch tabs. Basically Ctrl + 1 will take ... /questions/3368792/intellij-idea-shortcut-for-switching-to-tab-by-number...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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279 views

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How to preview picture stored in the fake path in Angular 2/Typescript?

Browsers don't take full path of local disc, instead they concatenate the filename with fakepath. Is there any way ... -picture-stored-in-the-fake-path-in-angular-2-typescript...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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449 views

1 answer

c - Mod of power 2 on bitwise operators?

How does mod of power of 2 work on only lower order bits of a binary number (1011000111011010)? What is ... stackoverflow.com/questions/6670715/mod-of-power-2-on-bitwise-operators...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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155 views

1 answer

node.js - How to Run Terminal as Administrator on Mac Pro

I am using a Mac for the first time and need to run Terminal as an admin. I have installed NodeJs and Git ... com/questions/31700746/how-to-run-terminal-as-administrator-on-mac-pro...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

1 answer

Android make view disappear by clicking outside of it

I have some views that I make visible upon a button press. I want them to disappear if I click outside ... /questions/6685690/android-make-view-disappear-by-clicking-outside-of-it...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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87 views

1 answer

Cannot resolve MapActivity class on Android

I have an application which has 11 different activities. One of these activities is an extension of ... .com/questions/3621163/cannot-resolve-mapactivity-class-on-android...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

1 answer

Converting Ruby timestamp to seconds in Epoch and back

I have a field in my database that is stored as a timestamp, I need to output this in seconds in ... /questions/15263767/converting-ruby-timestamp-to-seconds-in-epoch-and-back...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

1 answer

Closing info windows in google maps by clicking the map?

I'm making a mobile web app. Part of the app drops several markers, which can be clicked to open info windows ... /10022873/closing-info-windows-in-google-maps-by-clicking-the-map...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

1 answer

python - Using Flask, how do I modify the Cache-Control header for ALL output?

I tried using this @app.after_request def add_header(response): response.headers['Cache-Control'] = 'max-age=300' return ... how-do-i-modify-the-cache-control-header-for-all-output...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

1 answer

PrettyPrint python into a string, and not stdout

I'd like to use prettyprint to print out a dictionary, but into a string and not to console. This string ... .com/questions/15085118/prettyprint-python-into-a-string-and-not-stdout...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

1 answer

java - Efficiently finding the intersection of a variable number of sets of strings

I have a variable number of ArrayList's that I need to find the intersection of. A realistic cap on the number ... -finding-the-intersection-of-a-variable-number-of-sets-of-strings...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

1 answer

windows - How to execute a command prompt command from python

I tried something like this, but with no effect: command = "cmd.exe" proc = subprocess.Popen(command, ... questions/5486725/how-to-execute-a-command-prompt-command-from-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

rubygems - You don't have write permissions for the /usr/bin directory. while installing Cocoapods

I'm trying to install Cocoapods using the following command on my Mac: sudo gem install cocoapods But I'm ... have-write-permissions-for-the-usr-bin-directory-while-installing-co...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

1 answer

provisioning profile - Over The Air (OTA) iOS IPA File Distribution For Public?

I saw this Chinese company offering a demo for their app/service which is a .ipa file. You can simply visit a ... /26042508/over-the-air-ota-ios-ipa-file-distribution-for-public...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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