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How can I install pip on Windows?
...'t have a C/C++ compiler installed and configured, you'll see this cryptic error message.
Error: Unable to find vcvarsall.bat
You can fix that by installing a C++ compiler such as MinGW or Visual C++. Microsoft actually ships one specifically for use with Python. Or try Microsoft Visual C++ Co...
Page redirect after certain time PHP
... normal HTML tags, blank lines in a file, or from PHP. It is a very common error to read code with include, or require, functions, or another file access function, and have spaces or empty lines that are output before header() is called. The same problem exists when using a single PHP/HTML file. (so...
Class 'DOMDocument' not found
I've found an error on a page in my Magento application; it always show this message error when I visit it:
15 Answers
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Converting Java objects to JSON with Jackson
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I'm facing this error, how to solve with your code No serializer found for class com.liveprocessor.LPClient.LPTransaction and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_B...
Effects of the extern keyword on C functions
...fine a file scope variable. For example,
extern int i = 4;
will give an error or warning, depending on the compiler.
Usage of extern is useful if you explicitly want to avoid definition of a variable.
Let me explain:
Let's say the file a.c contains:
#include "a.h"
int i = 2;
int f() { i++; ...
How to get the number of characters in a std::string?
...ptr<UBreakIterator, UBreakIteratorDeleter>;
void checkStatus(const UErrorCode status)
{
if(U_FAILURE(status))
{
throw std::runtime_error(u_errorName(status));
}
}
size_t countGraphemes(UText* text)
{
// source for most of this: http://userguide.icu-project.org/strings...
How to programmatically clear application data
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On Android 2.1-update1, this unfortunately yields Error: unknown command 'clear'.
– Paul Lammertsma
Apr 11 '12 at 13:49
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How to get size of mysql database?
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Note: MySQL Workbench will spit out a Syntax error: {column title} (double quoted text) is not valid input here. error. The column titles should be wrapped in tick marks. I.e. Database Name.
– KareemElashmawy
Jul 17 '17 at 22:15
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Block Comments in Clojure
... arbitrary text. For example, (comment "print("/foo")") will die with the error Invalid token: /foo.
– John Wiseman
May 12 '17 at 20:50
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Add unique constraint to combination of two columns
...tions are expensive).
http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling
http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-constraint-violations-before-entering-sql-server-try-and-catch-logic/
If you want to prevent exceptions from bubbling up to the application, w...