大约有 40,000 项符合查询结果（耗时：0.0664秒） [XML]
How to run cron once, daily at 10pm
...'s date, it happened to me to set crontab to start a job at 22, but it actually started at 23 because the system was UTC (so 22 for the system was 23 for me in GMT).
– nnsense
Apr 24 '19 at 18:10
...
How do I add a foreign key to an existing SQLite table?
... Dec 10 '09 at 23:26
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
...
Setting up connection string in ASP.NET to SQL SERVER
...nectionStrings["myConnectionString"].ConnectionString might be more technically correct.
– crush
Feb 5 '14 at 20:31
2
...
When would you use the Builder Pattern? [closed]
...ed when the factory can easily create the entire object within one method call.
One example of using a builder is a building an XML document, I've used this model when building HTML fragments for example I might have a Builder for building a specific type of table and it might have the following me...
Tablet or Phone - Android
.../screen.xml (assuming res/layout-sw600dp/ contains your layout files for small tablets like the Nexus 7)
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="screen_type">7-inch-tablet</string>
</resources>
File res/values-sw720dp/screen.xml (assuming...
How do I *really* justify a horizontal menu in HTML+CSS?
...s!
Now that CSS3 flexboxes have better browser support, some of us can finally start using them. Just add additional vendor prefixes for more browser coverage.
In this instance, you would just set the parent element's display to flex and then change the justify-content property to either space-bet...
java: (String[])List.toArray() gives ClassCastException
...hat type of array to create.
use
toArray(new String[v2.size()]);
which allocates the right kind of array (String[] and of the right size)
share
|
improve this answer
|
fo...
Encrypt Password in Configuration Files? [closed]
...simple way of doing this is to use Password Based Encryption in Java. This allows you to encrypt and decrypt a text by using a password.
This basically means initializing a javax.crypto.Cipher with algorithm "AES/CBC/PKCS5Padding" and getting a key from javax.crypto.SecretKeyFactory with the "PBKDF...
What's a concise way to check that environment variables are set in a Unix shell script?
...is therefore in the Korn Shell, and in the POSIX shells, including specifically Bash.
It is usually documented in the shell's man page in a section called Parameter Expansion. For example, the bash manual says:
${parameter:?word}
Display Error if Null or Unset. If parameter is null or unset, the...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...editors that can edit multi-gigabyte text files, perhaps by only loading small portions into memory at once? It doesn't seem like Vim can handle it =(
...