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Batch script: how to check for admin rights
...nconsistent state. The dirty bit can be set because:
The volume is online and it has outstanding changes.
Changes were made to the volume and the computer was shut down before the changes were committed to the disk.
Corruption was detected on the volume.
If the dirty bit is set w...
Send email using java
...ers you can install locally on your own pc, or you can use one of the many online servers. One of the more known servers is Google's:
I just successfully tested the allowed Google SMTP configurations using the first example from Simple Java Mail:
final Email email = EmailBuilder.startingBlank(...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...ens when you make a purchase by card is that the software immediately goes online to ensure you have sufficient funds for the purchase, but only places a hold on the funds for the transaction. At the end of the working day the software then gathers all the transactions placed in the last 24hrs and ...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...the maximum to which a VARCHAR's length can be extended through the use of online ALTER TABLE. Consequently, I derived those numbers by creating a table with a varchar(2) charset utf8 column and seeing how far I was able to extend it given ALGORITHM=INPLACE.
– antak
...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...is when UUIDs are produced on separate machines, for example when multiple online transactions are process on several machines for scaling purposes.
In such a situation, the risks of having collisions due to poor choices in the way the pseudo-random number generators are initialized, for example, a...
Choice between vector::resize() and vector::reserve()
...ts 0
cout <<(v2.capacity()==1000)<< endl; //prints 1
Output (online demo):
1
1
0
1
So resize() may not be desirable, if you don't want the default-created objects. It will be slow as well. Besides, if you push_back() new elements to it, the size() of the vector will further increase...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...r.) We've come a long way, and if you intend for your site to present its online identity long-term - without it becoming a short-sighted solution - then simply consider the revenue that you would earn from someone using IE8. Nada. Even senior citizens, 20-years behind the times, are using tablets...
Is it possible to declare two variables of different types in a for loop?
...
This does not compile on VS 2008, but does on Comeau online ;-)
– JRL
Apr 22 '10 at 0:22
8
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How do I read any request header in PHP
...
@EvandelaCruz: leserged.online.fr/phpinfo.php I see it here: _SERVER["HTTP_CACHE_CONTROL"] max-age=0
– Quassnoi
Mar 23 '16 at 17:46
...
How do I set up a basic Ruby project?
...by documentation tool.
And besides all of the above tools, their're some online service for ruby project:
CI(Continuous Integration)
travis-ci
circleci
codeship
Code Review
codeclimate
And you can even genearate badges via http://shields.io/ for your open source project.
That's my exper...