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Changing image size in Markdown
...dcarpet, which I use with Jekyll, so I'd go with HTML, as @Tieme answered. If you end up running your Markdown through a parser that likes the standard, the HTML will stand up.
– user766353
Feb 27 '14 at 21:56
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Passing two command parameters using a WPF binding
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Firstly, if you're doing MVVM you would typically have this information available to your VM via separate properties bound from the view. That saves you having to pass any parameters at all to your commands.
However, you could also m...
.NET List Concat vs AddRange
What is the difference between the AddRange and Concat functions on a generic List? Is one recommended over the other?
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Resize HTML5 canvas to fit window
...is 125% is often related to Device Pixel Resolution adjustment. Basically, if you are on a high pixel density device, the font will appear smaller than it should... so it will scale up to make the font be normal sized. As far as I understand it. You can check the display using: window.devicePixelRat...
Change date format in a Java string
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Use LocalDateTime#parse() (or ZonedDateTime#parse() if the string happens to contain a time zone part) to parse a String in a certain pattern into a LocalDateTime.
String oldstring = "2011-01-18 00:00:00.0";
LocalDateTime datetime = LocalDateTime.parse(oldstring, DateTimeForm...
What is pluginManagement in Maven's pom.xml?
... <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
</plugin>
</plugins>
in your build, because pluginManagement is only a way to share the same plugin configuration across all your project modules.
From ...
printf() formatting for hex
...ur "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x00000007
printf("%#08x\n", i); // gives 0x000007
Also changing the case of x, affects the casing o...
Difference between the Apache HTTP Server and Apache Tomcat? [closed]
What is the difference in terms of functionality between the Apache HTTP Server and Apache Tomcat?
8 Answers
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MongoDB: How to query for records where field is null or not set?
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If the sent_at field is not there when its not set then:
db.emails.count({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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T-SQL query to show table definition?
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It is. If you want only the column info, you can execute sp_columns as I mentioned in my answer. If you want info about FKs run sp_fkeys. If you want to know indexes, execute sp_statistics.
– user532231
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