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How to check if a file contains a specific string using Bash
...n't need the string displayed when it was found.
The grep command returns 0 or 1 in the exit code depending on
the result of search. 0 if something was found; 1 otherwise.
$ echo hello | grep hi ; echo $?
1
$ echo hello | grep he ; echo $?
hello
0
$ echo hello | grep -q he ; echo $?
0
You can sp...
Multiple glibc libraries on a single host
...very day).
However, you need to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing.
The absolute path to ld-linux.so.2 is hard-coded into the executable at li...
Prevent line-break of span element
...
+150
Put this in your CSS:
white-space:nowrap;
Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space
white-space...
What are “first class” objects?
...
180
In short, it means there are no restrictions on the object's use. It's the same as
any other obj...
What is PEP8's E128: continuation line under-indented for visual indent?
...project."
– Nick T
May 13 '14 at 22:04
6
...
How to set the title of DialogFragment?
...
Rob HolmesRob Holmes
3,70811 gold badge1313 silver badges1919 bronze badges
...
Why doesn't Java allow generic subclasses of Throwable?
...
answered Feb 1 '09 at 18:22
Torsten MarekTorsten Marek
70.7k1818 gold badges8686 silver badges9595 bronze badges
...
How to define two fields “unique” as couple
...ple:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.Foreign...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...|
edited Mar 12 '12 at 15:04
answered May 18 '10 at 20:37
R...
How to get ER model of database from server with Workbench
... SkyWalker
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answered Mar 6 '12 at 18:36
Kamran AliKamran Ali
5,70822 go...