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Difference between “!==” and “==!” [closed]
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I fell under the same illusion of being able to use a <table>.
– Chad Harrison
Sep 7 '12 at 15:27
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PDO's query vs execute
... execution. Which means you can do:
$sth = $db->prepare("SELECT * FROM table WHERE foo = ?");
$sth->execute(array(1));
$results = $sth->fetchAll(PDO::FETCH_ASSOC);
$sth->execute(array(2));
$results = $sth->fetchAll(PDO::FETCH_ASSOC);
They generally will give you a performance impr...
Creating a constant Dictionary in C#
...y a nice one; remember that according to the C# specification, switch-case tables are compiled to constant hash jump tables. That is, they are constant dictionaries, not a series of if-else statements. So consider a switch-case statement like this:
switch (myString)
{
case "cat": return 0;
ca...
Where can I find a list of scopes for Google's OAuth 2.0 API? [closed]
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Google's oauth docs display a table that lists all of the available scopes.
https://developers.google.com/+/api/oauth#scopes-table
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Java: parse int value from a char
...ou take '2' - '0' you really just get 50 - 48 = 2. Have a look at an ASCII table in order to understand this principle better. Also, 'x' means get the ascii value of the character in Java.
– Kevin Van Ryckegem
May 13 '17 at 13:16
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Get ID of last inserted document in a mongoDB w/ Java driver
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This is insert operation:
DBCollection table1 = db.getCollection("Collection name");
BasicDBObject document = new BasicDBObject();
document.put("_id",value);
document.put("Name", name);
table1.insert(document);
After insert u get last inserted id:
DBColle...
Entity Framework 4 vs NHibernate [closed]
...hat EF4 has more flexible inheritance mapping. For instance, you can use 2 tables (TPT) as base class + level 1 class and add discriminator to level 1 table, allowing spliting to level 2 classes. In NH, discriminator can only be defined on base class.
– Danny Varod
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SQL order string as number
... cast your column value to an integer explicitly with
select col from yourtable
order by cast(col as unsigned)
or implicitly for instance with a mathematical operation which forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right....
List all environment variables from the command line
...ted by user797717 to avoid output truncation:
Get-ChildItem Env: | Format-Table -Wrap -AutoSize
Source: Creating and Modifying Environment Variables (Windows PowerShell Tip of the Week)
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
... a corollary answer: the people on [this site] have taken the time to make tables of macros defined for every OS/compiler pair.
For example, you can see that _WIN32 is NOT defined on Windows with Cygwin (POSIX), while it IS defined for compilation on Windows, Cygwin (non-POSIX), and MinGW with ever...