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MySQL: Transactions vs Locking Tables
...ransactions vs locking tables to ensure database integrity and make sure a SELECT and UPDATE remain in sync and no other connection interferes with it. I need to:
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Set folder browser dialog start location
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Just set the SelectedPath property before calling ShowDialog.
fdbLocation.SelectedPath = myFolder;
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Mongoose query where value is not null
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$ne
selects the documents where the value of the field is not equal to
the specified value. This includes documents that do not contain the
field.
User.find({ "username": { "$ne": 'admin' } })
$nin
$nin selects the do...
Macro vs Function in C
...nsigned short _square_us(unsigned short a) { return a * a; }
/* ... long, char ... etc */
#define square(a) \
_Generic((a), \
float: _square_fl(a), \
double: _square_dbl(a), \
int: _square_i(a)...
Get filename and path from URI from mediastore
I have an onActivityResult returning from an mediastore image selection which I can get a URI for an image using the following:
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In PHP what does it mean by a function being binary-safe?
...on which expects null-terminated strings, so if the string contains a null character, the function would ignore anything after it.
This is relevant because PHP does not cleanly separate string and binary data.
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Android: disabling highlight on listView click
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Add this to your xml:
android:listSelector="@android:color/transparent"
And for the problem this may work (I'm not sure and I don't know if there are better solutions):
You could apply a ColorStateList to your TextView.
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How do I set up NSZombieEnabled in Xcode 4?
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⌥⌘R
(or click Menubar > Product > Scheme > Edit Scheme)
select the "Diagnostics" tab and click "Enable Zombie Objects":
This turns released objects into NSZombie instances that print console warnings when used again. This is a debugging aid that increases memory use (no objec...
Open terminal here in Mac OS finder [closed]
...not just Finder, and they operate on folders as well as absolute pathnames selected in text.
You can even assign command keys to them.
Services appear in the Services submenu of each application menu, and within the contextual menu (Control-Click or Right-Click on a folder or pathname).
The New T...
Can you use an alias in the WHERE clause in mysql?
...ts an unknown column. Is there any way to get around this issue? I need to select records that have a rating higher than x. Rating is calculated as the following alias:
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