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Mac SQLite editor [closed]
... Unless I'm missing something, it doesn't allow you to alter existing tables.
– mahdaeng
Dec 12 '11 at 20:54
1
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How do you get the length of a list in the JSF expression language?
...java.sun.com/jsp/jstl/functions" prefix="fn"%>
<h:outputText value="Table Size = #{fn:length(SystemBean.list)}"/>
On screen it displays the Table size
Example: Table Size = 5
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im...
Cookie overflow in rails application?
...xample.
Here is the steps
Generate a migration that creates the session table
rake db:sessions:create
Run the migration
rake db:migrate
Modify config/initializers/session_store.rb from
(App)::Application.config.session_store :cookie_store, :key => 'xxx'
to
(App)::Application.config.ses...
Are negative array indexes allowed in C?
...want to use negative indexes, I have used them in two contexts:
Having a table of combinatorial numbers that tells you comb[1][-1] = 0; you can always check indexes before accessing the table, but this way the code looks cleaner and executes faster.
Putting a centinel at the beginning of a table. ...
What is NoSQL, how does it work, and what benefits does it provide? [closed]
...past few years, people started to question this dogma. People wondered if tables with rows and columns are really the only way to represent data. People started thinking and coding, and came up with many new concepts how data could be organized. And they started to create new database systems desig...
Is floating-point math consistent in C#? Can it be?
...types uint and ulong.
As suggested in another answer, you can use lookup tables, where each element in the table is a binary fixed point number, to help implement complex functions such as sine, cosine, square root, and so on. If the lookup table is less granular than the fixed point number, it is...
How can I backup a remote SQL Server database to a local drive?
...ckup and hit next,
In the options it presents to you:
In 2010: under the Table/View Options, change 'Script Data' and 'Script Indexes' to True and hit next,
In 2012: under 'General', change 'Types of data to script' from 'Schema only' to 'Schema and data'
In 2014: the option to script the data is ...
How do I find an element that contains specific text in Selenium Webdriver (Python)?
...substitutes a source character to its desired form, by using a translation table.
Constructing a table of all upper case characters will effectively transform the node's text to its lower() form - allowing case-insensitive matching (here's just the prerogative):
[
contains(
translate(text(),...
best practice to generate random token for forgot password
...rch in about a week's time for a low-budget attacker:
mt_rand() is predictable (and only adds up to 31 bits of entropy)
uniqid() only adds up to 29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Since a 56-bit DES key can be brute-forced in about 24 hours, and an a...
Sqlite LIMIT / OFFSET query
... necessarily mean it's in the order you want. The only way to get a predictable order is to use ORDER BY explicitly.
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