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std::stringstream ss; 直接使用ss.str().c_str() 字符串指针可能导致崩溃 ...
std::stringstream ss; 直接使用ss.str().c_str() 字符串指针可能导致崩溃std::stringstream ss;const char* ch = ss str() c_str();call_func(ch);这种写法在系统内存不足时，ss会立马释放内存，字符串指针ch可能会非法访问导致崩溃。代码最好的是
std::s...
Upload artifacts to Nexus, without Maven
...ll verify everything is correct.
* @throws IOException
*/
private static
String closeRepo(final String authInfo, final String profile, final String repo, final String nameAndVersion) throws IOException {
String repoInfo = "{'data':{'stagedRepositoryId':'" + repo + "','description':'Closing " ...
warning: incompatible implicit declaration of built-in function ‘xyz’
...n-* flags if possible.
Instead of stdlib.h, you should try:
#include <string.h>
That's where strcpy and strncpy are defined, at least according to the strcpy(2) man page.
The exit function is defined in stdlib.h, though, so I don't know what's going on there.
...
Read/write files within a Linux kernel module
...,
loff_t *pos);
Also, filp_open no longer accepts user-space string, so it can be used for kernel access directly (without dance with set_fs).
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Android multiple email attachments using Intent
... contains multiple attachments.
public static void email(Context context, String emailTo, String emailCC,
String subject, String emailText, List<String> filePaths)
{
//need to "send multiple" to get more than one attachment
final Intent emailIntent = new Intent(Intent.ACTION_SEND_...
Programmatically update widget from activity/service/receiver
...t.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// Use an array and EXTRA_APPWIDGET_IDS instead of AppWidgetManager.EXTRA_APPWIDGET_ID,
// since it seems the onUpdate() is only fired on that:
int[] ids = AppWidgetManager.getInstance(getApplication())
.getAppWidgetIds(new ComponentN...
Write to .txt file?
...
FILE *fp;
char* str = "string";
int x = 10;
fp=fopen("test.txt", "w");
if(fp == NULL)
exit(-1);
fprintf(fp, "This is a string which is written to a file\n");
fprintf(fp, "The string has %d words and keyword %s\n", x, str);
fclose(fp);
...
Can I define a class name on paragraph using Markdown?
.... But...
No, Markdown's syntax can't. You can set ID values with Markdown Extra through.
You can use regular HTML if you like, and add the attribute markdown="1" to continue markdown-conversion within the HTML element. This requires Markdown Extra though.
<p class='specialParagraph' markdown='...
Fastest way to copy file in node.js
...eReadStream/createWriteStream method working for some reason, but using fs-extra npm module it worked right away. I am not sure of the performance difference though.
fs-extra
npm install --save fs-extra
var fs = require('fs-extra');
fs.copySync(path.resolve(__dirname,'./init/xxx.json'), 'xxx.jso...
Why was the switch statement designed to need a break?
...her languages supported more sophisticated cases (ranges, multiple values, strings...) at the cost, perhaps, of efficiency.
– PhiLho
Oct 31 '08 at 6:29
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