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Accessing an SQLite Database in Swift
...nent("test.sqlite")
// open database
var db: OpaquePointer?
guard sqlite3_open(fileURL.path, &db) == SQLITE_OK else {
print("error opening database")
sqlite3_close(db)
db = nil
return
}
Note, I know it seems weird to close the database upon failure to open, but the sqlite3_op...
Easiest way to convert int to string in C++
...C++11 introduces std::stoi (and variants for each numeric type) and std::to_string, the counterparts of the C atoi and itoa but expressed in term of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming th...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
...henever the keyboard is shown.
Here is some sample code:
#define kOFFSET_FOR_KEYBOARD 80.0
-(void)keyboardWillShow {
// Animate the current view out of the way
if (self.view.frame.origin.y >= 0)
{
[self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < ...
How to set java_home on Windows 7?
..., one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to
18 Answers
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Difference between author and committer in Git?
...ld find was using the environment variables to override the committer:
GIT_COMMITTER_NAME='a' GIT_COMMITTER_EMAIL='a' git commit --author 'a <a>'
How to get the committer and commit date of a given commit?
Only author data shows by default on git log.
To see the committer date you can eit...
Remove property for all objects in array
...swered Oct 19 '17 at 21:47
piotr_czpiotr_cz
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How to check if a table exists in a given schema
...sts" (no matter who's asking), querying the information schema (information_schema.tables) is incorrect, strictly speaking, because (per documentation):
Only those tables and views are shown that the current user has access
to (by way of being the owner or having some privilege).
The query p...
design a stack such that getMinimum( ) should be O(1)
...for getMinimum() -- that's excellent performance!
– j_random_hacker
Mar 26 '09 at 9:40
4
If you h...
Eclipse - Unable to install breakpoint due to missing line number attributes
...
I had the same error message in Eclipse 3.4.1, SUN JVM1.6.0_07 connected to Tomcat 6.0 (running in debug-mode on a different machine, Sun JVM1.6.0_16, the debug connection did work correctly).
Window --> Preferences --> Java --> Compiler --> Classfile Generation: "add li...
Syntax error on print with Python 3 [duplicate]
...rror. To avoid this, it is a good practice to import print function:
from __future__ import print_function
Now your code works on both 2.x & 3.x.
Check out below examples also to get familiar with print() function.
Old: print "The answer is", 2*2
New: print("The answer is", 2*2)
Old: print...