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constant pointer vs pointer on a constant value [duplicate]
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Now that you know the difference between char * const a and const char * a. Many times we get confused if its a constant pointer or pointer to a constant variable.
How to read it? Follow the below simple step to identify bet...
How to delete duplicates on a MySQL table?
...y SELECT * FROM table GROUP BY title, SID; It all depends on how well you know what you are doing.
– Kamil Szot
Aug 24 '15 at 10:22
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Is object empty? [duplicate]
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This answer now works in all modern browsers; definitely the best one unless you need to support IE8-.
– Brad Koch
Oct 10 '14 at 14:17
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How to disallow temporaries
...see Johannes Schaub's Comment and ensuing discussion below: "How can you know that it is source compatible with existing code? His friend includes his header and has void f() { int Foo = 0; } which previously compiled fine and now miscompiles! Also, every line that defines a member function of clas...
How to select records from last 24 hours using SQL?
...elect the last 24 hours from a datetime field, substitute 'curate()' with 'now()'. This also includes the time.
– Haentz
Apr 30 '11 at 6:11
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Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
...the empty String (its length is zero);
otherwise the result is true.
Now to '0' == true.
Two type conversions will take place here. We can follow this in the specification, section 11.9.3, The Abstract Equality Comparison Algorithm.
The operands are denoted as x and y (x == y).
In our case...
How to create an AVD for Android 4.0
Android 4.0 is now released. I have just updated my ADT plugin and downloaded the 4.0 SDK. But when I try to create an AVD for Android 4.0, Eclipse tells me 'Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder'.
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Basic example of using .ajax() with JSONP?
...lly a simply trick to overcome XMLHttpRequest same domain policy. (As you know one cannot send AJAX (XMLHttpRequest) request to a different domain.)
So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from ano...
How to Compare Flags in C#?
...itwise AND operation.
FlagTest.Flag1 is equivalent to 001 with OP's enum. Now let's say testItem has Flag1 and Flag2 (so it's bitwise 101):
001
&101
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001 == FlagTest.Flag1
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Java code To convert byte to Hexadecimal
...omponent of that array.. The confusion arised because of the word "array". Now in the below code " byte bv = 10; String hexString = Integer.toHexString(bv); " CAse 1 (Byte Recieved : 68 Hex Output : : 44) Case : 2 (Byte Recieved : -46 Hex Output : : ffffffd2)......... ...