Hot questions

0 votes

547 views

1 answer

r - Transforming a time-series into a data frame and back

The output of a time-series looks like a data frame: ts(rnorm(12*5, 17, 8), start=c(1981,1), frequency = ... s the most elegant way to do this? See Question&Answers more detail:os...

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

0 votes

486 views

1 answer

java - How to overwrite one property in .properties without overwriting the whole file?

Basically, I have to overwrite a certain property in a .properties file through a Java app, but when I use Properties. ... , null); out.close(); See Question&Answers more detail:os...

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

0 votes

743 views

1 answer

SWI-Prolog - show long list

I'm using SWI-Prolog and I'm trying to print a list but if the list has more than 9 items - it look like ... there a way to show the whole list? See Question&Answers more detail:os...

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

0 votes

596 views

1 answer

php - Escaping column names in PDO statements

I am currently building a query where both the field/column and value parts possibly consist of user inputted data. ... it to PDO::prepare? See Question&Answers more detail:os...

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

0 votes

737 views

1 answer

phone number - Get phonenumber programmatically - Android

is it possible to get the phonenumber of each device programmatically? I tried this code: TelephonyManager manager =( ... on the sim card? See Question&Answers more detail:os...

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

0 votes

616 views

1 answer

Creating Google Chrome shortcut with --disable-web-security

I am trying to access some local files via jqueryMobile, it works fine in Firefox and IE but Chrome gives ... Chrome in disabled security mode? See Question&Answers more detail:os...

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

0 votes

613 views

1 answer

c++ - How to cheaply assign C-style array to std::vector?

Currently I do the following: // float *c_array = new float[1024]; void Foo::foo(float *c_array, size_t ... copy but just swap pointers. See Question&Answers more detail:os...

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

0 votes

481 views

1 answer

java - com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source

I have MySQL under my Hibernate and I am also using c3p0-0.9.1 for connection pool. When ... .doFilter(FilterDispatcher.java:395) See Question&Answers more detail:os...

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

0 votes

598 views

1 answer

SignalR - How do I disable WebSockets

I upgraded to .NET 4.5, now SignalR seems insistent on using WebSockets in Firefox/Chrome - even though I'm only on ... " version="0.4.1" /> See Question&Answers more detail:os...

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

0 votes

761 views

1 answer

rust - How can an operator be overloaded for different RHS types and return values?

Given the following struct: struct Vector3D { x: f32, y: f32, z: f32 } I want to overload its * ... vice versa for the other implementation. See Question&Answers more detail:os...

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

0 votes

337 views

1 answer

ASP.NET Core & EntityFramework Core: Left (Outer) Join in Linq

I am trying to get a left join working in Linq using ASP.NET Core and EntityFramework Core. Simple situation with two ... (working) query simply looks like var result = from perso...

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

0 votes

817 views

1 answer

garbage collection - Java: How do you really force a GC using JVMTI's ForceGargabeCollection?

I'm not looking for the usual "you can only hint the GC in Java using System.gc()" answers, this ... compilable example would be most welcome. See Question&Answers more detail:os...

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

0 votes

433 views

1 answer

javascript - Why "Prevent this page from creating additional dialogs" appears in the alert box?

In my Rails 3 application I do: render :js => "alert("Error!\nEmpty message sent.");" if ... Sometimes, ... and checkbox ? I use Firefox 4. See Question&Answers more detail:os...

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

0 votes

758 views

1 answer

arrays - C# params object[] strange behavior

Considering this code namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string[] ... version / Mono version? See Question&Answers more detail:os...

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

0 votes

333 views

1 answer

Addition of two pointers in c or c++ not supported. why?

Why addition of two pointers not supported in c or c++. When I do, int *ptr,*ptr1; int sum = ptr + ptr1; ... it supports, int diff = ptr - ptr1; See Question&Answers more detail:os...

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

0 votes

441 views

1 answer

Does Objective-C use short-circuit evaluation?

I tried something along the lines of: if(myString != nil && myString.length) { ... } And got: -[ ... -circuit after the first condition fails? See Question&Answers more detail:os...

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

0 votes

494 views

1 answer

c++ - should std::common_type use std::decay?

Given types A,B, I am concerned with the exact definition of std::common_type<A,B>, disregarding the variadic ... just use my own definitions? See Question&Answers more detail:os...

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

0 votes

410 views

1 answer

c++ - Does the standard mandate an lvalue-to-rvalue conversion of the pointer variable when applying indirection?

TL;DR Given the following code: int* ptr; *ptr = 0; does *ptr require an lvalue-to-rvalue conversion of ... way to get to undefined behavior. See Question&Answers more detail:os...

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

0 votes

797 views

1 answer

swift - Get Description of Emoji Character

Each Emoji has a description that you can see in Mac OS's ??Space special character picker. There's a list ... OPEN MOUTH AND SMILING EYES". See Question&Answers more detail:os...

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

0 votes

446 views

1 answer

smalltalk - Early binding vs. late binding: what are the comparative benefits and disadvantages?

When discussing the evolution of computer languages, Alan Kay says that the single most important attribute of his ... to balance the tradeoffs. See Question&Answers more detail:os...

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

0 votes

497 views

1 answer

garbage collection - Java and manually executing finalize

If I call finalize() on an object from my program code, will the JVM still run the method again when the ... finalize() method on object m? See Question&Answers more detail:os...

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

0 votes

499 views

1 answer

Why is the Switch module deprecated in Perl?

Why was the Switch module deprecated in Perl 5.12? I know that a switch/case be made with elsif, but I don't like that very much. See Question&Answers more detail:os...

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

0 votes

370 views

1 answer

android - How to detect whether screen is on or off if API level is 4?

I am wondering to know how to detect screen dim or brightness on Android 1.6. I've found a solution on API ... . Can you suggest me ? Thanks. See Question&Answers more detail:os...

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

0 votes

485 views

1 answer

html - How to include all css kept in a directory?

Is it possible to include multiple css at once in html? Or to be precise, is it possible to include all ... is there any alternative of this? See Question&Answers more detail:os...

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

0 votes

512 views

1 answer

javascript - Protractor Angular 2 Failed: unknown error: angular is not defined

I'm getting the following error: Failed: unknown error: angular is not defined This only happens when using angular ... SP1 x86_64 node=5.9.1 See Question&Answers more detail:os...

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

0 votes

609 views

1 answer

excel - Open a workbook from VBA and disable Workbook_Open() code?

I am opening spreadsheets using VBA and a couple of the workbooks contain code which starts executing when ... want any code execution. See Question&Answers more detail:os...

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

0 votes

383 views

1 answer

.net - Get types used inside a C# method body

Is there a way to get all types used inside C# method? For example, public int foo(string str) { Bar bar ... it than trying to parse this code. See Question&Answers more detail:os...

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

0 votes

624 views

1 answer

javascript - How to load a custom JS file in Django admin home?

I have a heavily customized Django admin where it's very simple to load a custom JS file for each of ... //stackoverflow.com/a/10584539/585783 See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags