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Why use strict and warnings?
...etation forced by context. (Context is often forced by a nearby keyword or token, or by predeclaration of the word in question.)* So If you mean to use it as a string, quote it and If you mean to use it as a function call, predeclare it or use parentheses.
Barewords are dangerous because of this un...
How to make button look like a link?
...t for the sake of simplicity i will use them here):
<a href="some/page.php" title="perform some js action" onclick="callFunction(this.href);return false;">watch and learn</a>
with this.href you can even access the target of the link in your function. return false will just prevent bro...
What is the use of join() in Python threading?
...just blocked from terminating (returning to the OS), not more. By the same token, it's not so obvious that there's a main thread calling a child thread to 'join' it (ie terminate). So, Don Q, thanks for the explanation.
– RolfBly
Jan 14 '14 at 20:40
...
What is the use of having destructor as private?
... while implementing a factory where the created objects are required to be allocated on the heap. The objects would, in general, be created/deleted by a static member or friend. Example of a typical usage:
class myclass
{
public:
static myclass* create(/* args */) // Factory
{
retu...
What open source C++ static analysis tools are available? [closed]
...a copy constructor and an assignment operator for classes with dynamically allocated memory.
Prefer initialization to assignment in constructors.
Make destructors virtual in base classes.
Have "operator=" return a reference to *this.
Don’t try to return a reference when you must return an object.
...
Get child node index
...es). Array.prototype.indexOf accesses that implementation directly without allocating an anonymous instance. The difference is going to be negligible in almost all circumstances, so frankly it may not be worth caring about.
– Scott Miles
Jun 24 '15 at 17:03
...
Remove HTML Tags from an NSString on the iPhone
...
UITextView *textview= [[UITextView alloc]initWithFrame:CGRectMake(10, 130, 250, 170)];
NSString *str = @"This is <font color='red'>simple</font>";
[textview setValue:str forKey:@"contentToHTMLString"];
textview.textAlignment = NSTextAlignmentLeft;
...
Open and write data to text file using Bash?
...lly holds a lot. Usually the max number of file descriptors the kernel can allocate can be found in /proc/sys/file-max or /proc/sys/fs/file-max but using any fd above 9 is dangerous as it could conflict with fd's used by the shell internally. So don't bother and only use fd's 0-9. If you need more t...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
...de-3.js:15665
ode-3.js:15674 [AI] 直接 eval 救援也失败: Unexpected token ']'com.google.appinventor.client.Ode
INFO: Locking Screens
ode-0.js:10332 Saving fileId src/appinventor/ai_admin/bb/Screen4.scm for projectId 4868637487792128
ode-0.js:223644 Sat Mar 07 23:23:35 GMT+800 2026 com.goog...
Android SharedPreference security
...aredpreferences good place to put sensitive data, such as password or auth token?
No. It can be easily hacked. If you want to put any sensitive data in shared prefrence file you can encrypt the data and store. You can store your encryption key in NDK/server.
...