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Efficiently test if a port is open on Linux?
... I want to embed the port checking code in a script on the server, under /etc/init.d/
– Aman Jain
Mar 7 '12 at 22:14
...
How do I insert NULL values using PDO?
...nstance
$query = $db->prepare($sql);
//Works with INT, FLOAT, ETC.
$query->bindValue(':productId', !empty($productId) ? $productId : NULL, PDO::PARAM_INT);
//Works with strings.
$query->bindValue(':productName',!empty($productName) ? $productName : NULL, PDO::PA...
What does Redis do when it runs out of memory?
...OC-STATS - Show allocator internal stats"
/usr/local/etc/redis.conf
############################## MEMORY MANAGEMENT ################################
# Set a memory usage limit to the specified amount of bytes.
# When the memory limit is reached Redis will try to remove keys...
Parsing a string into a boolean value in PHP
...s - it handles any casing you can imagine for $value (false, FALSE, FalSe, etc.)
– Eric Caron
Nov 12 '13 at 21:11
Bork...
How to compare 2 files fast using .NET?
...equal and avoid further byte-2-byte comparison ? As far as I know MD5/SHA1 etc collisions are really unlikely...
– digEmAll
Nov 25 '14 at 10:37
...
Installing SciPy and NumPy using pip
...ere will be a few lines you need to select depending on your architecture, etc., and you'll need to fix/add the correct directories that it incorrectly assumes as well.
The third thing you may need is to yum install numpy-f2py or the equivalent.
Oh, yes and lastly, you may need to yum install gcc-...
max value of integer
... The C standard also specifies minimum values for INT_MAX, LONG_MAX, etc.
– Oliver Charlesworth
Feb 21 '13 at 14:51
13
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...
The SELECT * FROM table1, table2, etc. is good for a couple of tables, but it becomes exponentially harder as the number of tables increases.
The JOIN syntax makes it explicit what criteria affects which tables (giving a condition). Also, the second way is...
Checking if array is multidimensional or not?
...b level existed. For theories who might be looking for something similar...etc.
– Mike Barwick
Mar 24 '15 at 19:27
Wha...
How does the C# compiler detect COM types?
...at supports COM
component development, e.g. Delphi,
C++, Visual Basic, etc.
See my answer to a similar question about the Microsoft Speech API, where you're able to "instantiate" the interface SpVoice (but really, you're instantiating SPVoiceClass).
[CoClass(typeof(SpVoiceClass))]
public inte...