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How to start two threads at “exactly” the same time
...CountDownLatch;
public class ThreadExample
{
public static void main(String[] args)
{
CountDownLatch latch = new CountDownLatch(1);
MyThread t1 = new MyThread(latch);
MyThread t2 = new MyThread(latch);
new Thread(t1).start();
new Thread(t2).start();...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
... builds on established hash functions to use a known key to authenticate a string of text. It works like this:
You take the text of your request and your secret key and apply the HMAC function.
You add that authentication header to your request and send it to Amazon.
Amazon looks up their copy of ...
What's the difference between the atomic and nonatomic attributes?
...e dependent properties are in play.
Consider:
@property(atomic, copy) NSString *firstName;
@property(atomic, copy) NSString *lastName;
@property(readonly, atomic, copy) NSString *fullName;
In this case, thread A could be renaming the object by calling setFirstName: and then calling setLastNam...
Escape double quotes in parameter
...if I need to remove all the quotes here and place the parameter value in a string used in a select query filter? Can someone help?
– SFDC_Learner
Nov 24 '15 at 16:21
...
SET versus SELECT when assigning variables?
...ed as 0, it then ends as 2. This can be very useful when doing successive string-manipulations.
– MikeTeeVee
Aug 26 '15 at 15:33
...
Why '&&' and not '&'?
...nSave is not executed.
This is very handy in the following circumstance:
string value;
if(dict.TryGetValue(key, out value) && value.Contains("test"))
{
// Do Something
}
TryGetValue returns false if the supplied key is not found in the dictionary. Because of the short-circuiting natu...
vs
...> <wchar.h>
<fenv.h> <locale.h> <stdbool.h> <string.h> <wctype.h>
And further,
2 Every C header, each of which has a name of the form name.h, behaves as if each name placed in the standard library namespace by the corresponding cname header is placed within...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... with reinterpret cast one
might, unsafely, cast an integer pointer to a string pointer.
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What are the rules about using an underscore in a C++ identifier?
..., mem, or wcs followed by a lowercase letter are reserved
for additional string and array functions.
Names beginning with PRI or SCN followed by any lowercase letter or X are reserved
for additional format specifier macros
Names that end with _t are reserved
for additional type names.
Whi...
Inserting HTML into a div
...
Would help to see an example with a long string of Html inserted. For example, I have a case in which server technologies (php etc) are disallowed, and I want to re-use about 20 lines of html inside the same page.
– Jennifer Michelle
...