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【解决】munmap_chunk(): invalid pointer - C/C++ - 清泛网 - 专注C/C++及内核技术
...指针被覆盖掉了，然后delete free就会报这个错误。例如：char* word = (char*)malloc(10);word = "abc"; 应使用 strcpy(word, "abc");free(word) 原因：new/malloc出来的指针被覆盖掉了，然后delete/free就会报这个错误。
例如：
char* word = (char*)malloc(1...
Automatically remove Subversion unversioned files
...X, my alternative is as follows, which translates the linebreaks into null chars and uses the -0 option on xargs to handle spaces in filenames: svn status | grep ^\? | cut -c9- | tr '\n' '\0' | xargs -0 rm
– Brian Webster
Apr 15 '11 at 22:19
...
Formatting floats without trailing zeros
...at it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible.
18 Answers
...
FFmpeg on Android
...essage());
}
ShellDummy shell = new ShellDummy();
String mp3BitRate = "192";
try {
ffmpeg.extractAudio(in, out, audio, mp3BitRate, shell);
} catch (IOException e) {
Log.e(DEBUG_TAG, "IOException running ffmpeg" + e.getMessage());
...
Operator overloading in Java
...hich comes close to "custom" operator overloading is the handling of + for strings, which either results in compile-time concatenation of constants or execution-time concatenation using StringBuilder/StringBuffer. You can't define your own operators which act in the same way though.
For a Java-like...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
... ANY DEFINED BY algorithm OPTIONAL },
subjectPublicKey BIT STRING {
RSAPublicKey ::= SEQUENCE {
modulus INTEGER, -- n
publicExponent INTEGER -- e
}
}
That gives you an ASN.1 of:
SEQUENCE (2 elements)
SEQUENCE (2 elem...
Creating a new directory in C
...ng a gnu extension to print the error message with printf.
void rek_mkdir(char *path) {
char *sep = strrchr(path, '/');
if(sep != NULL) {
*sep = 0;
rek_mkdir(path);
*sep = '/';
}
if(mkdir(path, 0777) && errno != EEXIST)
printf("error while try...
python capitalize first letter only
I am aware .capitalize() capitalizes the first letter of a string but what if the first character is a integer?
8 Answers
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How to install the Raspberry Pi cross compiler on my Linux host machine?
...ow you should be able to compile your cmake programs simply by adding this extra flag: -D CMAKE_TOOLCHAIN_FILE=$HOME/raspberrypi/pi.cmake.
Using a cmake hello world example:
git clone https://github.com/jameskbride/cmake-hello-world.git
cd cmake-hello-world
mkdir build
cd build
cmake -D CMAKE_TO...
Java 8 List into Map
...
Based on Collectors documentation it's as simple as:
Map<String, Choice> result =
choices.stream().collect(Collectors.toMap(Choice::getName,
Function.identity()));
...