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Django CharField vs TextField
...o? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the hood here that makes this the case?
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Regular expression to return text between parenthesis
...ans you will get whatever in 's' :\. It will be good if you check that the string has parenthesis first.
– Omar
May 26 '16 at 1:21
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NodeJS: Saving a base64-encoded image to disk
... console.log(err);
});
new Buffer(..., 'base64') will convert the input string to a Buffer, which is just an array of bytes, by interpreting the input as a base64 encoded string. Then you can just write that byte array to the file.
Update
As mentioned in the comments, req.rawBody is no longer a...
How to turn IDENTITY_INSERT on and off using SQL Server 2008?
...NSERT ... VALUES ... commands started with one SET IDENTITY_INSERT ... ON; string at the beginning. Just don't put any batch separator between.
I don't know why the SET IDENTITY_INSERT ... ON stops working after the sending block (for ex.: .ExecuteNonQuery() in C#). I had to put SET IDENTITY_INSER...
DateTime.Now vs. DateTime.UtcNow
... are in a timezone hours away from GMT. As noted below, printing out their String values would display different strings.
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... @Ignore
public void itShouldStoreAMessage() throws Exception{
String amqUrl = "nio://localhost:61616";
Camel camel = (Camel) CamelExtension.apply(system);
camel.context().addComponent("activemq", ActiveMQComponent.activeMQComponent(amqUrl));
TestProbe probe = Te...
How can I get the baseurl of site?
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Try this:
string baseUrl = Request.Url.Scheme + "://" + Request.Url.Authority +
Request.ApplicationPath.TrimEnd('/') + "/";
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...up of definitions, navigation of source code base or the previewing of doc-strings.
5 Answers
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...ollection, Map or Array object is not null and size > 0.
@NotBlank: The string is not null and the trimmed length is greater than zero.
To help you understand, let's look into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constraint is defined as: ...
How to translate between Windows and IANA time zones?
...uget.
Using this library is simple. Here are some examples of conversion:
string tz = TZConvert.IanaToWindows("America/New_York");
// Result: "Eastern Standard Time"
string tz = TZConvert.WindowsToIana("Eastern Standard Time");
// result: "America/New_York"
string tz = TZConvert.WindowsToIana("...