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Convert text into number in MySQL query
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MarcoMarco
51.7k1313 gold badges114114 silver badges138138 bronze badges
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Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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How do I make a composite key with SQL Server Management Studio?
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CoryCory
11.1k77 gold badges2929 silver badges2727 bronze badges
4
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Android - startActivityForResult immediately triggering onActivityResult
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stkent
17.7k1313 gold badges7777 silver badges9898 bronze badges
answered Oct 27 '11 at 1:50
FalmarriFalmarri
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Android Studio: Module won't show up in “Edit Configuration”
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Make sure your build.gradle is
apply plugin: 'com.android.application'
not
apply plugin: 'com.android.library'
After you have changed, please sync your gradle again.
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HttpUtility does not exist in the current context
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David Ferenczy Rogožan
16.7k88 gold badges6262 silver badges6363 bronze badges
answered Mar 8 '10 at 22:13
SLaksSLaks
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Automatically add all files in a folder to a target using CMake?
...m_required(VERSION 2.8)
file(GLOB helloworld_SRC
"*.h"
"*.cpp"
)
add_executable(helloworld ${helloworld_SRC})
Note that this requires manual re-running of cmake if a source file is added or removed, since the generated build system does not know when to ask CMake to regenerate, and doing...
map vs. hash_map in C++
... different ways.
hash_map (unordered_map in TR1 and Boost; use those instead) use a hash table where the key is hashed to a slot in the table and the value is stored in a list tied to that key.
map is implemented as a balanced binary search tree (usually a red/black tree).
An unordered_map should...
Do I cast the result of malloc?
...tomatically and safely promoted to any other pointer type in this case.
It adds clutter to the code, casts are not very easy to read (especially if the pointer type is long).
It makes you repeat yourself, which is generally bad.
It can hide an error if you forgot to include <stdlib.h>. This ca...
HTML5 placeholder css padding
I've seen this post already and tried everything I could to change the padding for my placeholder but alas, it seems it just doesn't want to cooperate.
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