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How to extract extension from filename string in Javascript? [duplicate]
... On the contrary 'split' is actually overkill. So many string/array allocations.
– Sayam Qazi
Jun 14 '18 at 5:51
...
What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]
...ocks any buffer resources
that are used by the connection
Releases all allocated memory
owned by the connection
Clears any work or temporary
tables that are created by the
connection
Kills all global cursors owned by the
connection
Closes any open SQL-XML handles that are open
D...
PHP DateTime::modify adding and subtracting months
...ch could be a problem both supply-end (say if there is a monthly bandwidth allocation and Feb goes to waste and March gets doubled up on) and demand-end (users feel cheated out of Feb and perceive the extra March as attempt to correct mistake). On the other hand, notice that the two date sets:
neve...
原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...e size of an AtomicVector is with the ensureSize
* method. It does not reallocate the internal storage to grow; it allocates a
* new AtomicVector and chains to that for increased capacity. This means that
* if the initial size is too low, reading and modifying elements at high
* indexes will...
How to name factory like methods?
...t word I can think of off the top of my head is 'Construct'. In the past, 'Alloc' (allocate) might have been used in similar situations, reflecting the greater emphasis on blocks of data than objects in languages like C.
'Create' is a short, simple word that has a clear intuitive meaning. In most ca...
What are DDL and DML?
...abase
TRUNCATE – remove all records from a table, including all spaces allocated for the records are removed
COMMENT – add comments to the data dictionary
RENAME – rename an object
DML
DML is short name of Data Manipulation Language which deals with data
manipulation, and ...
Storing custom objects in an NSMutableArray in NSUserDefaults
...ray];
if (oldSavedArray != nil)
objectArray = [[NSMutableArray alloc] initWithArray:oldSavedArray];
else
objectArray = [[NSMutableArray alloc] init];
}
You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a...
Why is the shovel operator (
...
This answer is based on a false premise: both allocating and freeing short-lived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also, some more modern Ruby implemen...
How to copy an object in Objective-C
...ne
{
// We'll ignore the zone for now
YourClass *another = [[YourClass alloc] init];
another.obj = [obj copyWithZone: zone];
return another;
}
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...
How to re-sign the ipa file?
...sing these tools, don't hesitate to ask.
The heart of it is this:
CODESIGN_ALLOCATE=`xcrun --find codesign_allocate`; export CODESIGN_ALLOCATE
IPA="/path/to/file.ipa"
PROVISION="/path/to/file.mobileprovision"
CERTIFICATE="Name of certificate: To sign with" # must be in keychain
# unzip the ipa
unzip...