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Best introduction to C++ template metaprogramming? [closed]
...dern C++ Design by Andrei Alexandrescu, ISBN-13: 9780201704310. This book mixes a bit of metaprogramming with other template techniques. For metaprogramming in particular, see sections 2.1 "Compile-Time Assertions", 2.4 "Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Co...
How do I get the day of the week with Foundation?
...
outputs current day of week as a string in locale dependent on current regional settings.
To get just a week day number you must use NSCalendar class:
NSCalendar *gregorian = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];
NSDateComponents *comps = [gregorian co...
How can I get a precise time, for example in milliseconds in Objective-C?
...meInterval is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to start measuring from
NSDate *date = [NSDate date];
// do work...
// Find elapsed time and convert to millisecon...
Comment the interface, implementation or both?
...inciple as with code:
on interface, document the interface
on implementation, document the implementation specifics
Java specific: when documenting the implementation, use {@inheritDoc} tag to "include" javadocs from the interface.
For more information:
Official javadoc documentation
Some uno...
How to remove files from git staging area?
...he action of the git add -A.
Note: git reset is equivalent to git reset --mixed which does this
Resets the index but not the working tree (i.e., the changed files are preserved but not marked for commit) and reports what has not been updated. This is the default action. [ git reset ]
...
When is the thread pool used?
...derstanding of how node works isn't correct... but it's a common misconception, because the reality of the situation is actually fairly complex, and typically boiled down to pithy little phrases like "node is single threaded" that over-simplify things.
For the moment, we'll ignore explicit multi-pr...
How to Deal with Temporary NSManagedObject instances?
...OTE: This answer is very old. See comments for full history. My recommendation has since changed and I no longer recommend using unassociated NSManagedObject instances. My current recommendation is to use temporary child NSManagedObjectContext instances.
Original Answer
The easiest way to do this ...
PHP equivalent of .NET/Java's toString()
...
You are looking for strval:
string strval ( mixed $var )
Get the string value of a variable.
See the documentation on string for
more information on converting to
string.
This function performs no formatting
on the returned value. If you are
looking for a way to format...
Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...联系上了原厂工程师。
对了我们购买的VMWARE 是联想的OEM版，直接联系VMWARE是没有卵用的。必须经过联想。
关于配置Oracle RAC最佳配置参考VMware文档。
文档链接：http://www.vmware.com/files/pdf/solutions/oracle/Oracle_Databases_VMware_RAC_Deployme...
Reading large text files with streams in C#
...ask of working out how to handle large files being loaded into our application's script editor (it's like VBA for our internal product for quick macros). Most files are about 300-400 KB which is fine loading. But when they go beyond 100 MB the process has a hard time (as you'd expect).
...