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Failed to load c++ bson extension
...vailable when you installed your mongodb library. I suggest you do
xcode-select --install (on a mac)
or sudo apt-get install gcc make build-essential (on ubuntu)
and run
rm -rf node_modules
npm cache clean
npm install
OR just npm update based on @tobias comment (after installing build-essenti...
How to tell Eclipse Workspace?
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If any project exists in the workspace:
Select a project and its properties (e.g. Menu: Project -> Properties or right mouse button->Properties). Then go to Resource -> Linked Resources and the WORKSPACE_LOC's Path Variable value shows the current workspa...
sql server invalid object name - but tables are listed in SSMS tables list
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Make sure that the selected DB is the one where the table is. I was running the Script on Master. In my case, I had to switch to hr_db.
Rookie mistake but, could help someone.
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How can a LEFT OUTER JOIN return more records than exist in the left table?
...FT table, then you have no need to perform a JOIN at all and can just do a SELECT directly from the LEFT table.
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Javascript / Chrome - How to copy an object from the webkit inspector as code
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Right-click an object in Chrome's console and select Store as Global Variable from the context menu. It will return something like temp1 as the variable name.
Chrome also has a copy() method, so copy(temp1) in the console should copy that object to your clipboard.
No...
Stop an input field in a form from being submitted
...act with them at all- so if you have a disabled text field, the user can't select the text. If you have a disabled checkbox, the user can't change its state.
You could also write some javascript to fire on form submission to remove the fields you don't want to submit.
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Finding ALL duplicate rows, including “elements with smaller subscripts”
...gt;% filter(n > 1) # data frame
df %>% add_count(col1, col2) %>% select(n) > 1 # logical vector
For duplicate rows (considering all columns):
df %>% group_by_all %>% add_tally %>% ungroup %>% filter(n > 1)
df %>% group_by_all %>% add_tally %>% ungroup %>% ...
How to do a recursive find/replace of a string with awk or sed?
... +:
This variant of the -exec action runs the specified command on the selected files, but the command line is built by appending
each selected file name at the end; the total number of invocations of the command will be much less than the number of
matched files. ...
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
... @EmilMarashliev just the build target. You'll see it when you select your root project (with blue icon).
– Kjuly
Mar 14 '14 at 17:57
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“R cannot be resolved to a variable”? [duplicate]
...test build tools, your project target is set to the earlier one by import. Selecting project build to recent android version availble on you dev env will solve the issue. Ex: For me, by import project build target was being set to Android 4.4.2. This was giving the error. I changed it to Android 5.0...