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Performance of foreach, array_map with lambda and array_map with static function
... array_map in much the same way, with just one exception: the closure call includes one more opcode DECLARE_LAMBDA_FUNCTION, which explains why using it is a bit slower than using the named function. Now, comparing the array loop vs array_map calls, everything in the array loop is interpreted inlin...
How can prepared statements protect from SQL injection attacks?
...valent of an 'or true' to the where clause so that everything is returned, including the information about Aaron which was supposed to be hidden.
import java.sql.*;
public class Inject {
public static void main(String[] args) throws SQLException {
String url = "jdbc:postgresql://loca...
Default value of a type at Runtime [duplicate]
...e the ternary operator if I wanted to be succinct - it doesn't look messy. Including the else means the code is easier to grasp quickly. Removing it and just using "return null;" introduces implicitness.
– DavidWainwright
Jul 12 '17 at 7:49
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GCC compile error with >2 GB of code
...defines a "large model" specifically to avoid such size limitations, which includes 64-bit relocation types for the GOT and PLT. (See the table in section 4.4.2, and the instruction sequences in 3.5.5 which show how they are used.)
Since your functions are occupying 2.8 GB, you are out of luck, be...
Get the week start date and week end date from week number
... I needed as I am building out a date dimension with multiple week methods included.
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TCP: can two different sockets share a port?
...on the same local IP:Port without jumping through hoops, but *Nix systems (including Linux and Android) do not.
– Remy Lebeau
Apr 27 '14 at 16:46
7
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Working with time DURATION, not time of day
...A1 (for example), type in the date. In A2, the time. (If you type in 5 pm, including the space, it will display as 5:00 PM. If you want the day of the week to display as well, then in C3 (for example) enter the formula, =A1, then highlight the cell, go into the formatting dropdown menu, select Custo...
Enterprise app deployment doesn't work on iOS 7.1
...ertificates from a given authority. A list of these authorities is usually included by default in your browsers as these are actually trusted. (GeoTrust Global CA, Verisign etc)
Open Keychain and use the certificate assistant to create an authority
Fill in your Certificate Authority Informa...
In C#, what is the difference between public, private, protected, and having no access modifier?
... is a such thing as a static constructor. Any class can have one of these, including static classes. They cannot be called directly & cannot have parameters (other than any type parameters on the class itself). A static constructor is called automatically to initialize the class before the first...
Truncating floats in Python
...t could correspond to the value in memory. Python 2.7 and up (but not 3.0) includes a sophisticated algorithm to do just that, which we can access through the default string formatting operation.
'{}'.format(f)
The only caveat is that this acts like a g format specification, in the sense that it ...