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Get current date in milliseconds
...e about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970:
NSTimeInterval timeInSeconds = [[NSDate date] timeIntervalSince1970];
And in Swift:
let timeInSeconds: TimeInterval = Date().timeIntervalSince197...
How long should SQL email fields be? [duplicate]
...nger ones up to the limit of our column (255) but they are apparently fake by visual inspection.
The peak of the length distribution is at 19.
There isn't long tail. Everything falls off sharply after 38.
We cleaned up the DB by throwing away anything longer than 40. The good news is that no one h...
str performance in python
...
'%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time.
>>> import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (1000...
NHibernate ISession Flush: Where and when to use it, and why?
...tate with the state of objects held in memory. This process, flush, occurs by default at the following points
from some invocations of Find() or Enumerable()
from NHibernate.ITransaction.Commit()
from ISession.Flush()
The SQL statements are issued in the following order
all entity insertions, in ...
Why does IE9 switch to compatibility mode on my website?
...enderer;
whether the user has opted to put all sites in compatibility view by default;
whether IE thinks the site is on your intranet and so defaults to compatibility view;
whether the site in question is in Microsoft's own list of websites that require compatibility view.
You can change these set...
Using FileSystemWatcher to monitor a directory
...be finished. Take a file size of 1 GB for example. The file may be created by another program (Explorer.exe copying it from somewhere) but it will take minutes to finish that process. The event is raised at creation time and you need to wait for the file to be ready to be copied.
You can wait for ...
127 Return code from $?
...
Value 127 is returned by /bin/sh when the given command is not found within your PATH system variable and it is not a built-in shell command. In other words, the system doesn't understand your command, because it doesn't know where to find the bin...
grep a tab in UNIX
...real example that shows it works also with sh (not only bash, which is not by default installed on Android) is busybox grep -oE '^nodev'$'\t''fuse$' /proc/filesystems.
– v6ak
Jul 21 '13 at 7:14
...
Cannot read configuration file due to insufficient permissions
...to host my asp.net site with IIS. I have found a solution that many swear by.
40 Answers
...
Aborting a stash pop in Git
...because you need reverse merging action in case there was any merging done by the git stash apply.
The reverse merge requires that all current changes be pushed into the index:
git add -u
Then invert the merge-recursive that was done by git stash apply:
git merge-recursive stash@{0}: -- $(git...