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Remove an element from a Bash array
...ating over them backwards (so deleting elements doesn't screw up iteration order). To get the indices you need to access the input array by name, which can be done via bash variable indirection x=1; varname=x; echo ${!varname} # prints "1".
You can't access arrays by name like aryname=a; echo "${$a...
SELECT INTO a table variable in T-SQL
..., if you don't declare the columns explicitly, then they are mapped in the order declared in the original create table statement, just like select * does. So, location in the select statement is mapped to oldlocation in the @userData table because location is in position 2 in the result set of the ...
Difference between DTO, VO, POJO, JavaBeans?
..., and allows access to properties using getter and setter methods.
In order to function as a JavaBean class, an object class must obey certain conventions about method naming, construction, and behavior. These conventions make it possible to have tools that can use, reuse, replace, and connect ...
(13: Permission denied) while connecting to upstream:[nginx]
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thanks. I needed to yum install policycoreutils-python in order to get audit2allow first. Reference: centos.org/forums/viewtopic.php?t=5012
– gross.jonas
Nov 13 '14 at 9:57
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How do I import the javax.servlet API in my Eclipse project?
...provided libraries are "container neutral" but classloading precedence and ordering. If container-provided libraries are loaded by the wrong classloader (e.g. via webapp classloader), things may go havoc, even if it's "coincidentally" exactly the same version. Just do not provide container-provided ...
ERROR 2006 (HY000): MySQL server has gone away
... successfully migrated a >5GB sql file by performing these two steps in order:
Created /etc/my.cnf as others have recommended, with the following contents:
[mysql]
connect_timeout = 43200
max_allowed_packet = 2048M
net_buffer_length = 512M
debug-info = TRUE
Appending the flags --force --wait ...
what is the basic difference between stack and queue?
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You can think of both as an ordered list of things (ordered by the time at which they were added to the list). The main difference between the two is how new elements enter the list and old elements leave the list.
For a stack, if I have a list a, b, c...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...ll to grow in height. (Of course, you need to get the constraints right in order for this to work correctly!)
Getting your constraints right is definitely the hardest and most important part of getting dynamic cell heights working with Auto Layout. If you make a mistake here, it could prevent every...
Using braces with dynamic variable names in PHP
...s, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed.
Case 1 : $$foo['bar']['baz']
PHP5 interpetation : ${$foo['bar']['baz']}
PHP7 interpetation : ${$foo}['ba...
What is difference between functional and imperative programming languages?
...he computer how to change bits, bytes and words in it's memory and in what order. In functional ones, we tell the computer what things, actions etc. are. For example, we say that the factorial of 0 is 1, and the factorial of every other natural number is the product of that number and the factorial ...