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gcc - What does !!(x) mean in C (esp. the Linux kernel)?

I've been reading through the Linux kernel (specifically, 2.6.11). I came across the following definition: #define ... Negation in C++ 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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mysql date comparison with date_format

I googled and tried several ways to compare date but unfortunately didn't get the result as expected. I have ... suggestion? Thanks in advance. See Question&Answers more detail:os...

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

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269 views

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Lazy loading AngularJS modules with RequireJS

Thanks to the great article from Dan Wahlin, I managed to implement lazy loading of Angular's controllers and ... such as angular-resource. 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 make time difference in same units when subtracting POSIXct

I want to subtract to POSIXct. I can do this but depending on the first row (i guess?) the difference will ... to make this happen? 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 - How to handle Basic Authentication in WebView

I've created an application which loads a WebView. In order to login, the website requires basic authentication. ... someone could help me out? See Question&Answers more detail:os...

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

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Performing Math operations on decimal datatype in C#?

I was wondering if the above was at all possible. For example: Math.Sqrt(myVariableHere); When looking at ... this with decimal datatypes. 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 - Build and deploy javafx application using java11

I followed the steps in https://blog.jetbrains.com/idea/2013/03/packaging-javafx-2-applications-in-intellij-idea ... app for quick testing. 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 way to get a vector with the name of all functions that one could use in R?

I would like to have a call that returns me a vector with the names of all function that I could call in ... Meys' post for even better answers. 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 - Getting Mouse Coordinates in Swift

Swift newbie here. I've been having trouble with a task that should be trivial. All I want to do is get ... s coords. Would appreciate any 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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r - Different breaks per facet in ggplot2 histogram

A ggplot2-challenged latticist needs help: What's the syntax to request variable per-facet breaks in a histogram? ... list(relation="free"))) See Question&Answers more detail:os...

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

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Updating jQuery Tablesorter plugin after removing a row from DOM

I have some code at the moment that hides a row that is deleted and then removes it using the .remove() ... from the dead via the cache! 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# - Please explain why I am able to instantiate the "Application" interface in Excel VSTO

I have the following C# code in my application which works just fine. It launches a new instance of Excel. private ... and how is it possible? See Question&Answers more detail:os...

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

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angular - Angular2: validation for <input type="file"/> won't trigger when changing the file to upload

Angular 2 seems to have troubles with running validation when a file input changes. I made a plunk to ... any solution to this 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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Validate X509 certificates using Java APis

I am trying to validate a certificate against java key store and this is the code I am using is as below. ... ) cpv.validate(cp, params); See Question&Answers more detail:os...

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

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sum two columns in R

I feel a bit embarrassed as I am trying to add two columns in R to get the product. I have tried ... simple! both columns contain integers. See Question&Answers more detail:os...

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

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723 views

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matplotlib - ploting filled polygons in python

I have two matrices Tri and V for faces (Nx3) and vertices (Mx3) of polygons that I want to plot. Is there ... 'edgecolor','none','facealpha',1) 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 - ImportError: No module named pywintypes

I am working to make a small keylogger with Python, by using the pyHook, pythoncom and Pywin32 modules. Here is my ... How do I fix this error? See Question&Answers more detail:os...

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

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225 views

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c++ - std::map default value for build-in type

Recently, I was confused by the std::map operator[] function. In the MSDN library, it says: "If the argument ... is construted with the value 0. See Question&Answers more detail:os...

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

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297 views

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.net - Test if a Font is installed

Is there an easy way (in .Net) to test if a Font is installed on the current machine? 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 - Get rid of addlinespace in kable

In a knitr/Sweave report, the kable function of knitr with the option booktabs=TRUE adds a addlinespace each ... the option booktabs=TRUE? See Question&Answers more detail:os...

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

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700 views

1 answer

ios - how to resize an image or done as a NSAttributedString NSTextAttachment (or set its initital size)

I have a NSAttributedString to which I am adding a NSTextAttachment. The image is 50w by 50h ... 0) withAttributedString:attrStringWithImage]; See Question&Answers more detail:os...

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

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407 views

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What's the difference between single quote and double quote to define a string in powershell

Simple questions that's been bugging me: In powershell, I can define strings like so: $s1 = "Boogety boo" ... a difference to the interpreter? See Question&Answers more detail:os...

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

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630 views

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asp.net mvc 4 - mvc 4 assembly reference missing for Json.Encode

I am trying to call a Json.Encode(...) method in MVC 4 and I'm getting an error: The name 'Json' ... Raw(Json.Encode(Model.DefinitionID)) } } See Question&Answers more detail:os...

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

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281 views

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c++ - how to restart my own qt application?

i just asking myself how to restart my own qt application? Can somebody please show me an example? See Question&Answers more detail:os...

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

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311 views

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javascript - What is the in-place alternative to Array.prototype.filter()

I've got an array that I would like to remove some elements from. I can't use Array.prototype.filter(), because I ... }) // do some more stuff } See Question&Answers more detail:os...

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

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254 views

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android - Set Build path in Eclipse for ndk program

This error was shown when I build a android application program in Eclipse: 14:43:33 **** Incremental Build of ... the build path in Eclipse.. See Question&Answers more detail:os...

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

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743 views

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tsql - LPAD in SQL Server 2008

I can't see a function like LPAD in SQL Server 2008. For example how can I convert the following queries into T- ... 2,' ')) VALUE FROM MY_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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297 views

1 answer

Does .Net 4.5 support XML 1.1 yet (for characters invalid in XML 1.0)?

This is in the context of Web Services (client end). I need to interface with a back-end system (Java) ... support conversations in XML 1.1. See Question&Answers more detail:os...

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

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