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php - Allowed memory size of 262144 bytes exhausted (tried to allocate 24576 bytes)

I was going crazy with this. I got the next message: Allowed memory size of 262144 bytes exhausted (tried ... below real allowed memory asigned) See Question&Answers more detail:os...

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phpMyAdmin Error: The mbstring extension is missing. Please check your PHP configuration

I have a problem running phpMyAdmin. When I try to access phpMyAdmin in my browser, I get the error message ... me finding the proper solution. See Question&Answers more detail:os...

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objective c - "Expression is not assignable" -- Problem assigning float as sum of two other floats in Xcode?

In a piano app, I'm assigning the coordinates of the black keys. Here is the line of code causing the error. ... x + whiteKey.frame.size.width); See Question&Answers more detail:os...

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Get other running processes window sizes in Python

This isn't as malicious as it sounds, I want to get the current size of their windows, not look at what is ... a cross platform way to do this. See Question&Answers more detail:os...

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perl - How can I use a variable for a regex pattern without interpreting meta characters?

$text_to_search = "example text with [foo] and more"; $search_string = "[foo]"; if ($text_to_search =~ m/ ... using a s/// expression? See Question&Answers more detail:os...

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ASP.NET Core disable authentication in development environment

Is it possible to "disable" authentication in ASP.NET Core application without changing its logic? I have a ... in the service collection? See Question&Answers more detail:os...

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ipython - matplotlib python inline on/off

If I start an ipython notebook with matplotlib inlined, is there a way to subsequently plot a figure so that it ... where I can zoom and pan. See Question&Answers more detail:os...

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android - Back to main activity from notification-created activity

I'm trying to implement the behaviour described here, where a notification (or whatever) starts an "internal" activity ... hacky way to do this? See Question&Answers more detail:os...

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forms - Styling Password Fields in CSS

I'm experiencing a minor issue with fonts in my stylesheet. This is my CSS: body { ... font: normal 62.5% ... sans-serif; letter-spacing: 1px; } See Question&Answers more detail:os...

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capturing images with MediaStore.ACTION_IMAGE_CAPTURE intent in android

I am capturing images using MediaStore.ACTION_IMAGE_CAPTURE intent. it is working fine in most of the devices. ... Thanks in advance. Sathish See Question&Answers more detail:os...

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java - How to make an Entity read-only?

What is the proper way to make an Entity read-only with JPA ? I wish my database table to never be modified ... DAO for that specific entity ? See Question&Answers more detail:os...

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Can't run my Node.js Typescript project TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts" for /app/src/App.ts

When I try to start my app on Heroku I got the following stack trace. It is just a basic ts.app like you see with ... ", "**/*.spec.ts"] } See Question&Answers more detail:os...

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java - How to get the version number of JavaFX?

How can I find out at runtime which version of JavaFX I'm using? See Question&Answers more detail:os...

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javascript - Add image in pdf using jspdf

I am using jspdf to convert an image into a PDF. I have converted the image into a URI using base64encode. But the ... 15, 40, 180, 160); } See Question&Answers more detail:os...

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Ruby - Difference between Array#<< and Array#push

From examining the documentation for Ruby 1.9.3, both Array#<< and Array#push were designed to implement appending ... an alias for the other? See Question&Answers more detail:os...

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wpf - Executing a command on Checkbox.Checked or Unchecked

I have a checkbox control on a window. I'd like to execute a command that will call a method in the ... a checkbox. Has anyone done this? See Question&Answers more detail:os...

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java - Getting Ant <javac> to recognise a classpath

I have an Apache Ant build file with a <javac> command that requires four specific JARs to be on the build ... these files in my classpath? See Question&Answers more detail:os...

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java me - Is there any option for local database like Sqlite for j2me - CLDC devices?

Is there any option for local database like Sqlite for j2me - CLDC devices? PerstLite and OpenBaseMovil are ... way of developing application. See Question&Answers more detail:os...

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sql server 2008 - T-SQL and the WHERE LIKE %Parameter% clause

I was trying to write a statement which uses the WHERE LIKE '%text%' clause, but I am not receiving ... Any suggestions? Thanks in advance. See Question&Answers more detail:os...

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Right-to-left string replace in Python?

I want to do a string replace in Python, but only do the first instance going from right to left. In an ... given that rreplace doesn't exist? See Question&Answers more detail:os...

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c++ - One or more multiply defined symbols found

DebugUtil.h #ifndef DEBUG_UTIL_H #define DEBUG_UTIL_H #include <windows.h> int DebugMessage(const char* message) { ... shouldn't happen See Question&Answers more detail:os...

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c++ - When is a function try block useful?

I'm wondering when programmers use function try blocks. When is it useful? void f(int i) try { if ( i < 0 ) ... .fct.def] in the C++ Standard. See Question&Answers more detail:os...

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CMake compare to empty string with STREQUAL failed

I always think that if you want to compare two strings (but not variables) all you need to do is to ... Quoted test OK Unquoted test Surprise! See Question&Answers more detail:os...

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.net - Can you call a C# DLL from a C DLL?

I've built a DLL in C#. Now I want to use the R Environment to call functions in that DLL. The R environment ... to info about how to do this? See Question&Answers more detail:os...

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c# - Using GetProperties() with BindingFlags.DeclaredOnly in .NET Reflection

If I use sometype.GetProperties(); I get all of the properties from the type and it's parent. However I only ... know what I am doing wrong? See Question&Answers more detail:os...

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function - Is the behavior behind the Shellshock vulnerability in Bash documented or at all intentional?

A recent vulnerability, CVE-2014-6271, in how Bash interprets environment variables was disclosed. The ... implements inherited functions. See Question&Answers more detail:os...

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Get current time in milliseconds using C++ and Boost

In my thread (using boost::thread) I need to retrieve the current time in ms or less and to convert into ms: Actually ... ... How can I do it? See Question&Answers more detail:os...

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python - Print floating point values without leading zero

Trying to use a format specifier to print a float that will be less than 1 without the leading zero. I came up with a ... " % k) [1:] '.1337' See Question&Answers more detail:os...

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

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