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sql - Get AVG ignoring Null or Zero values

How can I get the AVG of a column ignoring NULL and zero values? I have three columns to get their ... ? example: AVERAGE(NOTNULL(SecurityW)) See Question&Answers more detail:os...

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

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CSS Pseudo Element Counters: can you increment an alphabet letter "a", "b", "c", etc instead of a number?

As defined here: http://www.w3.org/TR/CSS21/generate.html#propdef-counter-increment You can use code like the following ... c", etc? 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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Android adjustpan not working after the first time

My problem: starting from the second time the software keyboard is shown on the screen, it entirely hides my EditText. ... but it doesn't work! 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 - Android: what to choose for requestcode values?

Methods like ActivityCompat.requestPermissions require that I pass them a requestcode that I can later test in a ... (ZygoteInit.java:616)? 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 make generated classes contain Javadoc from XML Schema documentation

I'm currently working with an XML Schema that has <xsd:annotation>/<xsd:documentation> on most types and ... elements are still Javadoc-less. 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# - Remove readonly attribute from directory

How can I programatically remove the readonly attribute from a directory in C#? See Question&Answers more detail:os...

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

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algorithm - what is the fastest way to find the gcd of n numbers?

what is the fastest way to compute the greatest common divisor of n numbers? 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 - How to set the app icon as the notification icon in the notification drawer

As shown in the figure... I am getting my notification icon(on left to the red colour). But I need to ... (uniqueID, notification.build()); } See Question&Answers more detail:os...

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

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language agnostic - Is bit shifting O(1) or O(n)?

Are shift operations O(1) or O(n) ? Does it make sense that computers generally require more operations to ... hardware is an appropriate tag.. 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 - Disable submit button ONLY after submit

I have the following HTML and jquery: <html dir="ltr" lang="en"> <head> </head> <body> <h2> ... resolve this issue would be extremely helpful. See Question&Answers more detail:os...

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

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vba - Insert line break in wrapped cell via code

Is it possible to insert line break in a wrapped cell through VBA code? (similar to doing Alt-Enter when entering ... it also through VBA code. See Question&Answers more detail:os...

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

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Regex for parsing directory and filename

I'm trying to write a regex that will parse out the directory and filename of a fully qualified path ... succinctly describe the root problem. 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 ggplot2: Labelling a horizontal line on the y axis with a numeric value

I have a horizontal line in a ggplot and I would like to label it's value (7.1) on the y axis. library( ... =h)) Thank you for your help. 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 8 - Do Java8 lambdas maintain a reference to their enclosing instance like anonymous classes?

We know that anonymous classes maintain a reference to their enclosing instance and that this can lead to context leaks ... on that. Any clue? 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 count duplicates in Ruby Arrays

How do you count duplicates in a ruby array? For example, if my array had three a's, how could I count 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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Try Catch cannot work with require_once in PHP?

I can't do something like this ? try { require_once( '/includes/functions.php' ); } catch(Exception $e) { ... is echoed, server returns 500. See Question&Answers more detail:os...

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

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cordova - Unable to load image when selected from the gallery on Android 4.4 (KitKat) using PhoneGap Camera Plugin

I'm trying to set the source of an img tag in my app based on the image chosen from the device image ... updated to accomodate for this yet. See Question&Answers more detail:os...

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

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Tomcat Not Starting Through Eclipse (Timeout)

I am trying to run Tomcat through Eclipse. This is something that I have done for the past several years ... apparently installed a Java update. 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 target _blank links in WebView with external browser

I build a WebView which displays a website. The website contains links without a target="_blank" attribute and ... is the target attribute. 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 - How to bind events to Canvas items?

If I'm using a canvas to display data and I want the user to be able to click on various items on the ... clicks specific items on the canvas. 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 - How to compute the nth root of a very big integer

I need a way to compute the nth root of a long integer ... 613682478900505821893815926193600121890632 See Question&Answers more detail:os...

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

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449 views

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jquery - start javascript code with $(function, etc

I am studying Backbone and the todo example apps from http://todomvc.com/ I have noticed there are 3 severals ... files? Thanks for your advice. 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 - How to compute the nth root of a very big integer

I need a way to compute the nth root of a long integer ... 613682478900505821893815926193600121890632 See Question&Answers more detail:os...

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

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208 views

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Difference between file, file_get_contents, and fopen in PHP

I am new to PHP, and I am not quite sure: what is the difference between the file(), file_get_contents(), and ... I use one over the other? 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 - How to pass arguments to the __code__ of a function?

The following works: def spam(): print "spam" exec(spam.__code__) spam But what if spam takes arguments? def ... to separate in single files. See Question&Answers more detail:os...

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

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292 views

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Jquery to open Bootstrap v3 modal of remote url

I have a page of links to internal pages I need to open up in a Bootstrap modal DIV. The problem is that ... shed some lights on this please? See Question&Answers more detail:os...

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

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368 views

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javascript - Can I load a local file into an html canvas element?

My goal is to have users on iPad load an image into a canvas, then get the base 64 encoded said ... advice is greatly appreciated! Thanks! See Question&Answers more detail:os...

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

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714 views

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sorting - Django: ordering numerical value with order_by

I'm in a situation where I must output a quite large list of objects by a CharField used to store street ... I can order this properly .. See Question&Answers more detail:os...

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

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