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PDO's query vs execute
...metimes there are rare exceptions to best practices, and you might want to test your environment both ways to see what will work best.
In one case, I found that query worked faster for my purposes because I was bulk transferring trusted data from an Ubuntu Linux box running PHP7 with the poorly sup...
Multiple working directories with Git?
...le, when $GIT_DIR=/path/main/.git the command git worktree add /path/other/test-next next creates:
the linked working tree in /path/other/test-next and
also creates a $GIT_DIR/worktrees/test-next directory (or $GIT_DIR/worktrees/test-next1 if test-next is already taken).
Within a linked work...
How to convert string to boolean php
... then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended for clarity of understanding. In actual use the following code may be more appropriate:
$test_mode_mail = ($string === 'true');
or mayb...
“Thinking in AngularJS” if I have a jQuery background? [closed]
... to think about how to divide our application into individual, extensible, testable components.
So then how do you do that? How do you "think in AngularJS"? Here are some general principles, contrasted with jQuery.
The view is the "official record"
In jQuery, we programmatically change the view. ...
How to get current working directory in Java?
...ardless where the .class or .jar file the .class file is in.
public class Test
{
public static void main(final String[] args)
{
final String dir = System.getProperty("user.dir");
System.out.println("current dir = " + dir);
}
}
if you are in /User/me/ and your .jar fi...
Is there a generator version of `string.split()` in Python?
...]+", string))
Demo:
>>> list( split_iter("A programmer's RegEx test.") )
['A', "programmer's", 'RegEx', 'test']
edit: I have just confirmed that this takes constant memory in python 3.2.1, assuming my testing methodology was correct. I created a string of very large size (1GB or so), t...
How and where are Annotations used in Java?
...erride, or @NotNull
to describe the "nature" of an element, e.g. @Entity, @TestCase, @WebService
to describe the behavior of an element: @Statefull, @Transaction
to describe how to process the element: @Column, @XmlElement
In all cases, an annotation is used to describe the element and clarify i...
Extract a regular expression match
...
One way would be this:
test <- regexpr("[0-9]+","aaa12456xxx")
Now, notice regexpr gives you the starting and ending indices of the string:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info with substr function
subst...
Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
... pass a keyword argument name to url() function.
Code with error
url(r"^testing/$", views.testing, "testing")
Code without error
url(r"^testing/$", views.testing, name="testing")
So finally I removed the above error in this way. It might be something different in your case. So check your url...
Where does 'Hello world' come from?
...is was the original appearance of the program. The code was used for early testing of the C compiler and made its way into Kernighan and Ritchie's book. Later, it was one of the first programs used to test Bjarne Stroustrup's C++ compiler.
It became a standard for new programmers after it appeared ...